This analysis is done by the script util/transients/transient_factory_test31.sh /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2
The list of candidates will appear below. Please manually reload the page every few minutes untill the 'Processing complete' message appears.
Mean magnitude and position on the discovery images:
2026 08 06.2713 2461258.7713 12.31 03:30:37.51 +45:15:09.4
150.08009 -9.06367 galactic Per Second-epoch detections are separated by 2.8" and 2.6 pix
The object was found in VSX 3" ASASSN-V J033037.19+451509.1
Type: SR
# Max. Min./Amp. JD0 Period
13.260 V 13.630 V 2458371.52770 174.704135500000
The object was not found in astcheck.
Forced photometry on wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits at 03:30:37.51 +45:15:09.4: 13.38 +/- 0.03 detection
Forced photometry on wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits at 03:30:37.51 +45:15:09.4: 13.35 +/- 0.03 detection
Forced photometry reference-image weighted average: 13.36 +/- 0.02
Check this position in TNS.Manually check the ASAS-SN list of transients!Search this object in SIMBAD.Search this object in VizieR catalogs.WISE atlasAladin LiteSNAD ZTF viewer
Online MPChecker may fail to identify bright comets! Please manually check the Seiichi Yoshida's and Gideon van Buitenen's pages.
Don't forget to copy the leading white spaces and change the observatory code!
The code 'C32' is 'Ka-Dar Observatory, TAU Station, Nizhny Arkhyz', the code '500' is the geocenter.
Make sure there are no trailing white spaces after the observatory code.
The string should be exactly 80 characters long to conform to the MPC format.
Mean position:
You may copy/paste the above measurements to the following online services: MPChecker (in case the button does not work) NEOCMTChecker (NEO's and comets) sat_id2 (artificial satellites; needs at least two observations to work) fitsblink_satellites (art. sat.; you'll need to save the astrometry as a text file and upload it)
Here is a stub line for reporting a new transient to the TOCP.
Don't forget to set the constellation name and the number of days since the last non-detection!
TCP 2026 08 06.2713* 03 30 37.51 +45 15 09.4 12.3 U Per 9 0
Don't forget to change the observer code for the AAVSO and VSNET format data!
**** AAVSO file format ****
#TYPE=EXTENDED
#OBSCODE=SKA
#SOFTWARE=VaST 1.0rc90 transient pipeline
#DELIM=,
#DATE=JD
#NAME,DATE,MAG,MERR,FILT,TRANS,MTYPE,CNAME,CMAG,KNAME,KMAG,AMASS,GROUP,CHART,NOTES
ASASSN-V J033037.19+451509.1,2461258.7713,12.31,0.05,CV,NO,STD,ENSEMBLE,na,na,na,na,1,na,NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
**** VSNET file format ****
# Here are some valid formatiing examples:
#CETFZ 20230815.9829 <13.5CV NMW
#CETFZ 20230818.9746 12.5CV NMW
#CETFZ 20230819.9732 12.6CV NMW
#TCPJ17453768-1756253 20230831.7290 12.7CV NMW
ASASSN-V J033037.19+451509.1 20260806.2713 12.31CV NMW
The AAVSO data should be submitted to https://www.aavso.org/webobs
The VSNET data, depending on how interesting the target is, should be e-mailed to
vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp
vsnet-outburst-wanted@ooruri.kusastro.kyoto-u.ac.jp
vsnet-obs@ooruri.kusastro.kyoto-u.ac.jp
# Time-series data may be sent to vsnet-campaign-report@ooruri.kusastro.kyoto-u.ac.jp
Don't forget to copy the leading white spaces and change the observatory code!
The code 'C32' is 'Ka-Dar Observatory, TAU Station, Nizhny Arkhyz', the code '500' is the geocenter.
Make sure there are no trailing white spaces after the observatory code.
The string should be exactly 80 characters long to conform to the MPC format.
Mean position:
You may copy/paste the above measurements to the following online services: MPChecker (in case the button does not work) NEOCMTChecker (NEO's and comets) sat_id2 (artificial satellites; needs at least two observations to work) fitsblink_satellites (art. sat.; you'll need to save the astrometry as a text file and upload it)
Here is a stub line for reporting a new transient to the TOCP.
Don't forget to set the constellation name and the number of days since the last non-detection!
TCP 2026 08 06.2713* 03 31 12.00 +43 54 14.9 11.0 U Per 9 0
Don't forget to change the observer code for the AAVSO and VSNET format data!
**** AAVSO file format ****
#TYPE=EXTENDED
#OBSCODE=SKA
#SOFTWARE=VaST 1.0rc90 transient pipeline
#DELIM=,
#DATE=JD
#NAME,DATE,MAG,MERR,FILT,TRANS,MTYPE,CNAME,CMAG,KNAME,KMAG,AMASS,GROUP,CHART,NOTES
GK Per,2461258.7713,10.96,0.05,CV,NO,STD,ENSEMBLE,na,na,na,na,1,na,NMW-TexasTech Camera-2 135mm f/2.2 telephoto lens + QHY600M CMOS
**** VSNET file format ****
# Here are some valid formatiing examples:
#CETFZ 20230815.9829 <13.5CV NMW
#CETFZ 20230818.9746 12.5CV NMW
#CETFZ 20230819.9732 12.6CV NMW
#TCPJ17453768-1756253 20230831.7290 12.7CV NMW
GK Per 20260806.2713 10.96CV NMW
The AAVSO data should be submitted to https://www.aavso.org/webobs
The VSNET data, depending on how interesting the target is, should be e-mailed to
vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp
vsnet-outburst-wanted@ooruri.kusastro.kyoto-u.ac.jp
vsnet-obs@ooruri.kusastro.kyoto-u.ac.jp
# Time-series data may be sent to vsnet-campaign-report@ooruri.kusastro.kyoto-u.ac.jp
## VaST run with SExtractor config file default.sex.telephoto_lens_onlybrightstars_v1 ##
Images processed 4
Images used for photometry 4
Ref. image: 2461049.58214624 09.01.2026 01:58:07.435 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
First image: 2461049.58214624 09.01.2026 01:58:07.435 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Last image: 2461258.77152804 06.08.2026 06:30:50.023 /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
JD time system (TT/UTC/UNKNOWN): UTC
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.: -7.52
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 5 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA 10.0 # minimum number of pixels above threshold
DETECT_THRESH 10.0 # or , in mag.arcsec-2
ANALYSIS_THRESH 10.0 # or , in mag.arcsec-2
SATUR_LEVEL 55000.0 # level (in ADUs) at which arises saturation
GAIN 0.37 # detector gain in e-/ADU
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times): 17970
Objects passed selection criteria: 17849
Measurements per detected object (mean, median, min, max): 2.2 2.0 2 4
Measurements per selected object (mean, median, min, max): 2.2 2.0 2 4
Average stars detected per image: 10581.8
Average stars matched: 10231.2 (96.6877 %)
Memory usage VmPeak: 244840 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on Wed Aug 5 15:05:04 CDT 2026
VaST build number 1.0rc89-189-g49d3cdfd
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-08-05)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on Thu Aug 6 02:05:13 CDT 2026
Host name: tau
############################################################
## VaST run with SExtractor config file default.sex.telephoto_lens_vSTL ##
Images processed 4
Images used for photometry 4
Ref. image: 2461049.58214624 09.01.2026 01:58:07.435 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
First image: 2461049.58214624 09.01.2026 01:58:07.435 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Last image: 2461258.77152804 06.08.2026 06:30:50.023 /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
JD time system (TT/UTC/UNKNOWN): UTC
Transient candidates found: 38
FILTER key from ref. img. header: CV
Magnitude scale: instrumental
Estimated ref. image limiting mag.: -7.19
Magnitude-Size filter: Disabled
For each source choose aperture with the smallest scatter: YES
Photometric errors rescaling: NO
Number of identified bad images: 0
Number of SysRem iterations: 0
User-specified moving object: none
Computation time: 30 seconds
Number of parallel threads: 3
SExtractor parameter file: default.sex
Some important SExtractor parameters:
DETECT_MINAREA 2.0 # minimum number of pixels above threshold
DETECT_THRESH 3.0 # or , in mag.arcsec-2
ANALYSIS_THRESH 3.0 # or , in mag.arcsec-2
SATUR_LEVEL 57000.0 # level (in ADUs) at which arises saturation
GAIN 0.83 # detector gain in e-/ADU
WEIGHT_TYPE BACKGROUND
VAST_SKIP_INDEX_VS_MAG is set - skipping the lib/index_vs_mag variability-index fitting
Total objects detected (at least 2 times): 140808
Objects passed selection criteria: 140288
Measurements per detected object (mean, median, min, max): 2.3 2.0 2 4
Measurements per selected object (mean, median, min, max): 2.3 2.0 2 4
Average stars detected per image: 87668.2
Average stars matched: 84139.2 (95.9746 %)
Memory usage VmPeak: 616580 kB
Software: VaST 1.0rc90 compiled with gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1 20260214
VaST compiled on Wed Aug 5 15:05:04 CDT 2026
VaST build number 1.0rc89-189-g49d3cdfd
OpenMP enabled: Yes
SExtractor version 2.19.5 (2026-08-05)
GNU bash, version 5.3.9(1)-release (x86_64-pc-linux-gnu)
Processing completed on Thu Aug 6 02:06:26 CDT 2026
Host name: tau
############################################################
Updating neverexclude_list.txt
'/var/www/nmw_calibration/neverexclude_list.txt' -> './neverexclude_list.txt'
Choosing bad regions list
'/var/www/nmw_calibration/TTUQ2b1x1/TTUQ2_bad_region.lst' -> 'bad_region.lst'
wait
*------ default.sex.telephoto_lens_onlybrightstars_v1 ------*
'default.sex.telephoto_lens_onlybrightstars_v1' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_onlybrightstars_v1
./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
SExtractor catalog cache: saved Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.cat to cache
SExtractor catalog cache: saved Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_onlybrightstars_v1
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Checking WCS cache directory local_wcs_cache
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
The reference JD(UT) for computing planet and comet positions: 2461258.77106549
Re-using ../asassn_transients_list.txt
'../asassn_transients_list.txt' -> 'asassn_transients_list.txt'
Re-using ../tocp_transients_list.txt
'../tocp_transients_list.txt' -> 'tocp_transients_list.txt'
Re-using ../tns_transients_list.txt
'../tns_transients_list.txt' -> 'tns_transients_list.txt'
Plate-solving the images
wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits exists and is non-empty
Saving wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits to local_wcs_cache/
'wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits' -> 'local_wcs_cache/wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits'
wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits exists and is non-empty
Saving wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits to local_wcs_cache/
'wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits' -> 'local_wcs_cache/wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits'
wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits exists and is non-empty
Saving wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits to local_wcs_cache/
'wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits' -> 'local_wcs_cache/wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits'
wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits exists and is non-empty
Saving wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits to local_wcs_cache/
'wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits' -> 'local_wcs_cache/wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits'
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits (1st reference image)
verification OK: wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Image size: 941.5'x627.0' 15.7(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 03:36:01.913 +46:00:00.61 J2000 4789.000 3195.000
###################################
The image scale is 5.90"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.9"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits (1st new image)
verification OK: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
Image size: 940.5'x624.4' 15.7(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:36:00.499 +45:59:43.77 J2000 4789.000 3195.000
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 03:36:01.913 +46:00:00.61
Second-epoch image center 03:36:00.499 +45:59:43.77
Angular distance between the image centers 0.0062 deg.
Soft limit: 0.50 deg. Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits (2nd new image)
verification OK: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Image size: 940.5'x624.4' 15.7(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:35:59.655 +45:59:28.16 J2000 4789.000 3195.000
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 03:36:01.913 +46:00:00.61
Second-epoch image center 03:35:59.655 +45:59:28.16
Angular distance between the image centers 0.0111 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center 03:36:00.499 +45:59:43.77
Second-epoch second image center 03:35:59.655 +45:59:28.16
Angular distance between the image centers 0.00498 deg.
###################################
Running solve_plate_with_UCAC5...
Preparing for a parallel run
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits &> /tmp/tmp.hdqzsvA1bO
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits &> /tmp/tmp.z4zlRmoqxD
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits &> /tmp/tmp.qlpznT24Dz
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits &> /tmp/tmp.AuSdh66wgZ
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Calibrating the magnitude scale
Found non-empty wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
____ Start of magnitude calibration ____
PHOTOMETRIC_CALIBRATION=TYCHO2_V
Calibrating the magnitude scale with Tycho-2 stars
util/transients/transient_factory_test31.sh is checking for the presence of non-empty wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits and wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat
wait (drain background util/solve_plate_with_UCAC5 jobs before Tycho-2 calibration -- avoids wcs_.fits write race)
Tycho-2 catalog is found at lib/catalogs/tycho2
Tycho-2 catalog and the derived bright star exclusion list are ready
Checking for the presence of non-empty wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits and wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat
Found non-empty wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits and wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat
The reference image (wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits) and catalog (wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat) found
'wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat' -> 'wcsmag.cat'
Read 24919 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 41.2386 to 65.8886 deg, Dec +39.8263 to +51.4097 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 41.2386 to 65.8886 deg, Dec 39.8263 to 51.4097 deg
Loaded 12587 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 8299 out of 9376 total matches.
Matched with Tycho-2 9376 out of 24919 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.954600
a=0.000000 b=1.000000 c=22.954600
From vast_summary.log: estimated ref. image limiting mag.: -7.52
Updating vast_summary.log: Estimated ref. image limiting mag.: 15.43
Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed! =)
Estimated ref. image limiting mag.: 15.43
Lightcurve magnitude calibration plot:
Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 24919 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 41.2386 to 65.8886 deg, Dec +39.8263 to +51.4097 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 41.2386 to 65.8886 deg, Dec 39.8263 to 51.4097 deg
Loaded 12587 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 8299 out of 9376 total matches.
Matched with Tycho-2 9376 out of 24919 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits:
Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Forced-photometry filter: calibrated wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits -> calib.txt_param_ref_wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits (aperture=5.7)
Read 25014 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 41.2390 to 65.8888 deg, Dec +39.8264 to +51.4150 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 41.2390 to 65.8888 deg, Dec 39.8264 to 51.4150 deg
Loaded 12591 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 8306 out of 9365 total matches.
Matched with Tycho-2 9365 out of 25014 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits:
Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
Forced-photometry filter: calibrated wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits -> calib.txt_param_ref_wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits (aperture=5.8)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 0 candidate transients before the final filtering. (Hard limit: 10000)
Median FWHM seeing for isolated stars:
2.0 pix Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
2.0 pix Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
2.2 pix fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
2.2 pix fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Limiting magnitude estimates:
15.4 mag. Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
15.4 mag. Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
12.2 mag. fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
12.2 mag. fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
All-image limiting magnitude estimate: 12.2 (SNR ) 10.2 (80% of stars) with default.sex.telephoto_lens_onlybrightstars_v1
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of following Karpov (2025, Acta Polytechnica, 65, 50).
This value should be representative of the faintest stars clearly visible in the image.
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
############ /tmp/tmp.hdqzsvA1bO (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits' -> 'wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
WCS_IMAGE_NAME=wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
WCS-calibrated image found: wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Checking if the catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat corresponding to the image wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits alredy exist and is non-empty...
Catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat corresponding to the image wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
WCS catalog name: wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=2608, bad_region=5544, passed=24919
Got 24919 stars (including 17235 good ones) from the SExtractor catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat
util/solve_plate_with_UCAC5 got 24919 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4940 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4918 matched stars entering correct_measured_positions(), 4918 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.38"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4918 matched stars entering correct_measured_positions(), 20428 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4940 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4919 matched stars entering correct_measured_positions(), 20428 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37"
Accuracy estimation diagnostic: 4919 matched stars entering correct_measured_positions(), 20428 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.40"
Excluding outliers - 4919 stars left (next iteration limit 5409)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits N_match=4919 sigma_overall_arcsec=0.425 sigma_q1_arcsec=0.552 sigma_q2_arcsec=0.379 sigma_q3_arcsec=0.375 sigma_q4_arcsec=0.379 n_q1=1615 n_q2=801 n_q3=1627 n_q4=876 worst_quadrant_to_overall_ratio=1.300
The image catalog is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits -region wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.z4zlRmoqxD (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits' -> 'wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
WCS_IMAGE_NAME=wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
WCS-calibrated image found: wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
Checking if the catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat corresponding to the image wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits alredy exist and is non-empty...
Catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat corresponding to the image wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
WCS catalog name: wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=17, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=2561, bad_region=5578, passed=24997
Got 24997 stars (including 17348 good ones) from the SExtractor catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat
util/solve_plate_with_UCAC5 got 24997 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4942 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4919 matched stars entering correct_measured_positions(), 4919 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.35"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4919 matched stars entering correct_measured_positions(), 20490 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 649 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4942 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4920 matched stars entering correct_measured_positions(), 20490 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34"
Accuracy estimation diagnostic: 4920 matched stars entering correct_measured_positions(), 20490 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36"
Excluding outliers - 4920 stars left (next iteration limit 5410)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: util/identify.sh trusts the WCS of wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits (astrometrynet) - keeping it, no refit (set VAST_FORCE_SIP_REFIT=1 to refit anyway)
WCS_QUALITY_DIAG: file=Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits N_match=4920 sigma_overall_arcsec=0.382 sigma_q1_arcsec=0.466 sigma_q2_arcsec=0.360 sigma_q3_arcsec=0.350 sigma_q4_arcsec=0.356 n_q1=1613 n_q2=791 n_q3=1642 n_q4=874 worst_quadrant_to_overall_ratio=1.221
The image catalog is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits -region wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.qlpznT24Dz (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
WCS_IMAGE_NAME=wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
WCS-calibrated image found: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
Checking if the catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat corresponding to the image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits alredy exist and is non-empty...
Catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat corresponding to the image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
WCS catalog name: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=118, bad_region=409, passed=2268
Got 2268 stars (including 1753 good ones) from the SExtractor catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat
util/solve_plate_with_UCAC5 got 2268 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.5'
Seting catalog search parameters based on the expected field of view 940.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013063 (47.0 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010450 (37.6 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.3 to 51.3)
Done reading UCAC5 zone files...
Matched 1718 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1706 matched stars entering correct_measured_positions(), 1682 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.50"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1706 matched stars entering correct_measured_positions(), 1912 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.51"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.3 to 51.3)
Done reading UCAC5 zone files...
Matched 1718 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1707 matched stars entering correct_measured_positions(), 1912 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.53"
Accuracy estimation diagnostic: 1707 matched stars entering correct_measured_positions(), 1912 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.53"
Excluding outliers - 1707 stars left (next iteration limit 1876)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: SIP order 2 trial: matched=1707 robust_rms=3.139 arcsec worst_quadrant_rms=4.381 arcsec
SIP_REFIT: SIP order 3 trial: matched=1707 robust_rms=0.571 arcsec worst_quadrant_rms=0.656 arcsec
SIP_REFIT: SIP order 5 trial: matched=1707 robust_rms=0.497 arcsec worst_quadrant_rms=0.506 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1707 robust_rms_before=1.439 arcsec robust_rms_before_corrected=0.559 arcsec robust_rms_after=0.497 arcsec worst_quadrant_rms_before=0.578 worst_quadrant_rms_after=0.506
verification OK: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
verification OK: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
Image size: 941.1'x624.4' 15.7(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:36:00.640 +45:59:42.37 J2000 4789.000 3195.000
### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
### Converted positions of 2268 stars ###
'wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/correct_sextractor_wcs_catalog_usingxy2sky1742600.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
SIP_REFIT: applied the refit solution (order 5, robust RMS 1.439 -> 0.497 arcsec)
WCS_QUALITY_DIAG: file=fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits N_match=1707 sigma_overall_arcsec=0.516 sigma_q1_arcsec=0.531 sigma_q2_arcsec=0.463 sigma_q3_arcsec=0.575 sigma_q4_arcsec=0.549 n_q1=592 n_q2=290 n_q3=380 n_q4=445 worst_quadrant_to_overall_ratio=1.114
The image catalog is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits -region wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.AuSdh66wgZ (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
WCS_IMAGE_NAME=wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
WCS-calibrated image found: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Checking if the catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat corresponding to the image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits alredy exist and is non-empty...
Catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat corresponding to the image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
WCS catalog name: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=0, blended=109, bad_region=406, passed=2290
Got 2290 stars (including 1787 good ones) from the SExtractor catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat
util/solve_plate_with_UCAC5 got 2290 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.5'
Seting catalog search parameters based on the expected field of view 940.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013063 (47.0 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010450 (37.6 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.3 to 51.3)
Done reading UCAC5 zone files...
Matched 1751 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1737 matched stars entering correct_measured_positions(), 1711 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.50"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 1737 matched stars entering correct_measured_positions(), 1938 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.51"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 651 to 708 (Dec 40.3 to 51.3)
Done reading UCAC5 zone files...
Matched 1751 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 1738 matched stars entering correct_measured_positions(), 1938 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.52"
Accuracy estimation diagnostic: 1738 matched stars entering correct_measured_positions(), 1938 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.52"
Excluding outliers - 1738 stars left (next iteration limit 1910)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: SIP order 2 trial: matched=1738 robust_rms=3.163 arcsec worst_quadrant_rms=4.462 arcsec
SIP_REFIT: SIP order 3 trial: matched=1738 robust_rms=0.553 arcsec worst_quadrant_rms=0.647 arcsec
SIP_REFIT: SIP order 5 trial: matched=1738 robust_rms=0.477 arcsec worst_quadrant_rms=0.490 arcsec
SIP_REFIT: selected SIP order 5
SIP_REFIT: order=5 matched=1738 robust_rms_before=1.488 arcsec robust_rms_before_corrected=0.548 arcsec robust_rms_after=0.477 arcsec worst_quadrant_rms_before=0.561 worst_quadrant_rms_after=0.490
verification OK: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
verification OK: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Image size: 941.2'x624.4' 15.7(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:35:59.804 +45:59:26.75 J2000 4789.000 3195.000
### Converting SExtractor-derived pixel positions to celestial coordinates using xy2sky from WCSTools ###
### Converted positions of 2290 stars ###
'wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat' -> 'vast_debug_catalog_before_xy2sky_correction.cat.log'
'/data_ssd/NMW-TexasTech/workdir/vast_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/correct_sextractor_wcs_catalog_usingxy2sky1742618.tmp' -> 'vast_debug_catalog_after_xy2sky_correction.cat.log'
SIP_REFIT: applied the refit solution (order 5, robust RMS 1.488 -> 0.477 arcsec)
WCS_QUALITY_DIAG: file=fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits N_match=1738 sigma_overall_arcsec=0.519 sigma_q1_arcsec=0.519 sigma_q2_arcsec=0.535 sigma_q3_arcsec=0.482 sigma_q4_arcsec=0.551 n_q1=622 n_q2=294 n_q3=373 n_q4=449 worst_quadrant_to_overall_ratio=1.062
The image catalog is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits -region wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
###################################
# Pre-local-correction WCS quality summary (see WCS_QUALITY_DIAG lines above)
ref1=Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits sigma_overall=0.425 worst_q_ratio=1.300
ref2=Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits sigma_overall=0.382 worst_q_ratio=1.221
new1=fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits sigma_overall=0.516 worst_q_ratio=1.114
new2=fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits sigma_overall=0.519 worst_q_ratio=1.062
reference average sigma_overall=0.4035 worst_q_ratio=1.2605
warn-on-ratio threshold: 2.0x reference
###################################
Astrometric residual vector field (catalog-matched stars):
plot_astrometric_residuals_xy.py: wrote wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020_astrometric_residuals.png (4919 matched stars from wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.39 arcsec)
plot_astrometric_residuals_xy.py: wrote wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021_astrometric_residuals.png (4920 matched stars from wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.35 arcsec)
plot_astrometric_residuals_xy.py: wrote wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260_astrometric_residuals.png (1707 matched stars from wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.42 arcsec)
plot_astrometric_residuals_xy.py: wrote wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261_astrometric_residuals.png (1738 matched stars from wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat.astrometric_residuals, image 9576x6388, median residual 0.40 arcsec)
Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits'
Saving fully-calibrated image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
'wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits' -> '/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits'
Preparing the HTML report for the field Per-02-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
No candidates found here
Prepared the HTML report for the field Per-02-Q2b1x1 with default.sex.telephoto_lens_onlybrightstars_v1
*------ done with default.sex.telephoto_lens_onlybrightstars_v1 ------*
#### The local exclusion list is exclusion_list_local.txt ####
wait
*------ default.sex.telephoto_lens_vSTL ------*
'default.sex.telephoto_lens_vSTL' -> 'default.sex'
Starting VaST with default.sex.telephoto_lens_vSTL
./vast --noflagimage --starmatchraius 5 --matchstarnumber 500 --selectbestaperture --sysrem 0 --type 4 --maxsextractorflag 99 --UTC --nofind --nojdkeyword /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
SExtractor catalog cache: saved Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.cat to cache
SExtractor catalog cache: saved Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.cat to cache
VaST run complete with default.sex.telephoto_lens_vSTL
The four input images were /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Checking WCS cache directory local_wcs_cache
Found WCS cache directory local_wcs_cache
Creating symlink local_wcs_cache/wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Creating symlink local_wcs_cache/wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
Creating symlink local_wcs_cache/wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
Creating symlink local_wcs_cache/wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Creating symlink local_wcs_cache/exclusion_list.txt
Checking WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Found WCS cache directory /mnt/usb/NMW_NG/solved_reference_images
Checking WCS cache directory /home/NMW_web_upload/solved_reference_images
Checking WCS cache directory /dataX/kirx/NMW_NG_rt3_autumn2019/solved_reference_images
Plate-solving the images
wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits exists and is non-empty
wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits exists and is non-empty
wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits exists and is non-empty
wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits exists and is non-empty
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits (1st reference image)
verification OK: wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Image size: 941.5'x627.0' 15.7(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.90"/pix along the X axis and 5.89"/pix along the Y axis
Image center: 03:36:01.913 +46:00:00.61 J2000 4789.000 3195.000
###################################
The image scale is 5.90"/pix, setting the soft and hard astrometric limits for filtering second-epoch detections: 5.9" and 8.9"
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits (1st new image)
verification OK: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
Image size: 940.5'x624.4' 15.7(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:36:00.499 +45:59:43.77 J2000 4789.000 3195.000
###################################
###################################
# Check the image center offset between the reference and the first second-epoch image (pointing accuracy)
Reference image center 03:36:01.913 +46:00:00.61
Second-epoch image center 03:36:00.499 +45:59:43.77
Angular distance between the image centers 0.0062 deg.
Soft limit: 0.50 deg. Hard limit: 1.00 deg.
###################################
###################################
# fov_of_wcs_calibrated_image.sh output for wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits (2nd new image)
verification OK: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Image size: 940.5'x624.4' 15.7(deg)x10.4(deg) 9576x6388 pix
Image scale: 5.89"/pix along the X axis and 5.86"/pix along the Y axis
Image center: 03:35:59.655 +45:59:28.16 J2000 4789.000 3195.000
###################################
###################################
# Check the image center offset between the reference and the second second-epoch image (pointing accuracy)
Reference image center 03:36:01.913 +46:00:00.61
Second-epoch image center 03:35:59.655 +45:59:28.16
Angular distance between the image centers 0.0111 deg.
###################################
###################################
# Check the image center offset between the first and the second second-epoch image (shift should be applied between the second-epoch images)
Second-epoch first image center 03:36:00.499 +45:59:43.77
Second-epoch second image center 03:35:59.655 +45:59:28.16
Angular distance between the image centers 0.00498 deg.
###################################
Running solve_plate_with_UCAC5...
Preparing for a parallel run
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits &> /tmp/tmp.fSxmOVtx1n
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits &> /tmp/tmp.ElDI6yPTVL
Parallel run for /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits &> /tmp/tmp.WwvPM19Omi
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
Running util/solve_plate_with_UCAC5 --no_photometric_catalog --iterations 2 /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits &> /tmp/tmp.AxLeRgwYpK
Parallel run for /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Calibrating the magnitude scale
Found non-empty wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
____ Start of magnitude calibration ____
PHOTOMETRIC_CALIBRATION=TYCHO2_V
Calibrating the magnitude scale with Tycho-2 stars
util/transients/transient_factory_test31.sh is checking for the presence of non-empty wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits and wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat
wait (drain background util/solve_plate_with_UCAC5 jobs before Tycho-2 calibration -- avoids wcs_.fits write race)
Tycho-2 catalog is found at lib/catalogs/tycho2
Tycho-2 catalog and the derived bright star exclusion list are ready
Checking for the presence of non-empty wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits and wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat
Found non-empty wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits and wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat
The reference image (wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits) and catalog (wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat) found
'wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat' -> 'wcsmag.cat'
Read 189134 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 41.2226 to 65.9097 deg, Dec +39.7810 to +51.4146 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 41.2226 to 65.9097 deg, Dec 39.7810 to 51.4146 deg
Loaded 12673 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 6489 out of 9455 total matches.
Matched with Tycho-2 9455 out of 189134 detected stars.
The calibration function type and coefficients are written to calib.txt_param
util/calibrate_magnitude_scale 0.000000 1.000000 22.821000
a=0.000000 b=1.000000 c=22.821000
From vast_summary.log: estimated ref. image limiting mag.: -7.19
Updating vast_summary.log: Estimated ref. image limiting mag.: 15.63
Updated vast_limiting_magnitude.log with calibrated magnitudes
Working...
Please, PLEASE, be patient!!!
All lightcurves processed! =)
Estimated ref. image limiting mag.: 15.63
Lightcurve magnitude calibration plot:
Preparing per-reference-image forced-photometry calibration (method=tycho2 band=V)
Read 189134 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 41.2226 to 65.9097 deg, Dec +39.7810 to +51.4146 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 41.2226 to 65.9097 deg, Dec 39.7810 to 51.4146 deg
Loaded 12673 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 6489 out of 9455 total matches.
Matched with Tycho-2 9455 out of 189134 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits:
Forced-photometry filter: reusing the VaST-run aperture from image00001.cat.aperture for wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Forced-photometry filter: calibrated wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits -> calib.txt_param_ref_wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits (aperture=4.3)
Read 187812 stars from the SExtractor catalog wcsmag.cat
Detected star coordinate range: RA 41.2223 to 65.9102 deg, Dec +39.7810 to +51.4199 deg
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.00
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.01
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.02
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.03
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.04
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.05
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.06
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.07
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.08
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.09
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.10
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.11
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.12
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.13
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.14
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.15
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.16
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.17
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.18
Reading Tycho2 catalog file lib/catalogs/tycho2/tyc2.dat.19
Tycho-2 catalog search boundaries: RA 41.2223 to 65.9102 deg, Dec 39.7810 to 51.4199 deg
Loaded 12677 Tycho-2 stars within the image boundaries (VT and BT non-zero).
Relation between the catalog and instrumental magnitudes is written to calib.txt
Stars used for magnitude calibration (good matches): 6500 out of 9428 total matches.
Matched with Tycho-2 9428 out of 187812 detected stars.
util/calibrate_single_image_with_tycho2.sh: calibrated wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits via Tycho-2
Single-image forced-photometry magnitude calibration plot for wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits:
Forced-photometry filter: reusing the VaST-run aperture from image00002.cat.aperture for wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
Forced-photometry filter: calibrated wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits -> calib.txt_param_ref_wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits (aperture=4.4)
____ End of magnitude calibration ____
Applying consolidated magnitude filters...
Preparing the exclusion lists for this field
Done with filtering
Found 31 candidate transients before the final filtering. (Hard limit: 10000)
Median FWHM seeing for isolated stars:
1.8 pix Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
1.9 pix Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
2.0 pix fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
2.0 pix fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Limiting magnitude estimates:
15.6 mag. Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
15.6 mag. Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
13.0 mag. fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
13.0 mag. fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
All-image limiting magnitude estimate: 13.0 (SNR ) 12.7 (80% of stars) with default.sex.telephoto_lens_vSTL
The first estimate is the magnitude of a star detected with a signal-to-noise ratio of following Karpov (2025, Acta Polytechnica, 65, 50).
This value should be representative of the faintest stars clearly visible in the image.
The brighter of the limiting magnitude estimates for the two second-epoch images is reported here.
The second estimate is the 80th percentile of the magnitude distribution of stars detected on all four images.
This value is representative of the faintest object that may enter the candidate transients list.
The hard cut-off for the candidate transients is 15.5 mag.
Waiting for UCAC5 plate solver
wait
############ /tmp/tmp.fSxmOVtx1n (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits' -> 'wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
WCS_IMAGE_NAME=wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
WCS-calibrated image found: wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
Checking if the catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat corresponding to the image wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits alredy exist and is non-empty...
Catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat corresponding to the image wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits
WCS catalog name: wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=43, blended=23506, bad_region=33336, passed=189091
Got 189091 stars (including 135790 good ones) from the SExtractor catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat
util/solve_plate_with_UCAC5 got 189091 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 648 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4933 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4923 matched stars entering correct_measured_positions(), 4923 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4923 matched stars entering correct_measured_positions(), 162706 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 648 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4933 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4923 matched stars entering correct_measured_positions(), 162706 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.36"
Accuracy estimation diagnostic: 4923 matched stars entering correct_measured_positions(), 162706 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.39"
Excluding outliers - 4923 stars left (next iteration limit 5415)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits N_match=4923 sigma_overall_arcsec=0.405 sigma_q1_arcsec=0.527 sigma_q2_arcsec=0.369 sigma_q3_arcsec=0.359 sigma_q4_arcsec=0.356 n_q1=1620 n_q2=815 n_q3=1614 n_q4=874 worst_quadrant_to_overall_ratio=1.300
The image catalog is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits -region wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.ElDI6yPTVL (6) ############
Parsing command line arguments...
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits is already a symlink and we do not allow symlinks on symlinks
The guess is based on the existing WCS header.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits 573.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
WARNING from replace_file_with_symlink_if_filename_contains_white_spaces() the input file /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits is already a symlink and we do not allow symlinks on symlinks
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
verification OK: /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
It's a known telescope with plate solutions that are supposed to be good.
The input image /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits has a WCS header - will blindly trust it is good...
'/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits' -> 'wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits'
This WCS solution (astrometrynet) will be kept as is, not refit by util/solve_plate_with_UCAC5
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
WCS_IMAGE_NAME=wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
WCS-calibrated image found: wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
Checking if the catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat corresponding to the image wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits alredy exist and is non-empty...
Catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat corresponding to the image wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits
WCS catalog name: wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=6, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=36, blended=23390, bad_region=33357, passed=187770
Got 187770 stars (including 134514 good ones) from the SExtractor catalog wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat
util/solve_plate_with_UCAC5 got 187770 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 941.5'
Seting catalog search parameters based on the expected field of view 941.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013076 (47.1 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010461 (37.7 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 648 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4932 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4919 matched stars entering correct_measured_positions(), 4919 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4919 matched stars entering correct_measured_positions(), 161324 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 648 to 709 (Dec 39.8 to 51.4)
Done reading UCAC5 zone files...
Matched 4932 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4919 matched stars entering correct_measured_positions(), 161324 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.34"
Accuracy estimation diagnostic: 4919 matched stars entering correct_measured_positions(), 161324 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.37"
Excluding outliers - 4919 stars left (next iteration limit 5410)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits N_match=4919 sigma_overall_arcsec=0.370 sigma_q1_arcsec=0.437 sigma_q2_arcsec=0.354 sigma_q3_arcsec=0.343 sigma_q4_arcsec=0.344 n_q1=1627 n_q2=807 n_q3=1602 n_q4=883 worst_quadrant_to_overall_ratio=1.180
The image catalog is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/reference_imgs/Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits -region wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.WwvPM19Omi (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
WCS_IMAGE_NAME=wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
WCS-calibrated image found: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
Checking if the catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat corresponding to the image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits alredy exist and is non-empty...
Catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat corresponding to the image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
WCS catalog name: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=1, no_mag_err=0, low_SNR=0, blended=659, bad_region=2806, passed=23715
Got 23715 stars (including 20315 good ones) from the SExtractor catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat
util/solve_plate_with_UCAC5 got 23715 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.5'
Seting catalog search parameters based on the expected field of view 940.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013063 (47.0 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010450 (37.6 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4924 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4887 matched stars entering correct_measured_positions(), 4886 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.49"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4887 matched stars entering correct_measured_positions(), 21704 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.49"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4925 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4889 matched stars entering correct_measured_positions(), 21704 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.50"
Accuracy estimation diagnostic: 4888 matched stars entering correct_measured_positions(), 21704 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.51"
Excluding outliers - 4888 stars left (next iteration limit 5375)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits N_match=4888 sigma_overall_arcsec=0.536 sigma_q1_arcsec=0.529 sigma_q2_arcsec=0.535 sigma_q3_arcsec=0.556 sigma_q4_arcsec=0.553 n_q1=1701 n_q2=836 n_q3=1074 n_q4=1277 worst_quadrant_to_overall_ratio=1.037
The image catalog is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits -region wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
############ /tmp/tmp.AxLeRgwYpK (6) ############
Parsing command line arguments...
The minor axis of the CCD chip should be 24.0 mm based on the derived pixel size of 3.8 um
Internal estimated FoV 605.3'
The guess is based on the FOCALLEN keyword.
Trying to blindly solve the plate (local solve-field or remote server)...
/data_ssd/NMW-TexasTech/workdir/vast_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/util/wcs_image_calibration.sh /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits 605.0
Entering WCS image calibration mode.
ORIGINAL_FITSFILE=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
FITSFILE before on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
verification OK: /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
It's not one of the telescopes that are know to produce images with good WCS solutions - will try to re-solve!
FITSFILE after on_the_fly=/data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
WCS_IMAGE_NAME=wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
WCS-calibrated image found: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Checking if the catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat corresponding to the image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits alredy exist and is non-empty...
Catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat corresponding to the image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits found.
The catalog is in the new format, as expected.
The plate-solved (WCS-calibrated) image is saved to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
util/solve_plate_with_UCAC5 is preparing to read a catalog corresponding to the image /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
WCS catalog name: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat
Excluding image region: -1.0 -1.0 1.0 1.0 (defined in bad_region.lst)
Excluding image region: 7500.0 0.0 9576.0 6388.0 (defined in bad_region.lst)
Excluding image region: 1122.0 1550.0 1124.0 1552.0 (defined in bad_region.lst)
Excluding image region: 1637.0 2824.0 1639.0 2826.0 (defined in bad_region.lst)
Excluding image region: 1831.0 2839.0 1833.0 2841.0 (defined in bad_region.lst)
Excluding image region: 1905.0 4570.0 1907.0 4572.0 (defined in bad_region.lst)
Excluding image region: 2012.0 4693.0 2014.0 4695.0 (defined in bad_region.lst)
Excluding image region: 2397.0 4241.0 2399.0 4243.0 (defined in bad_region.lst)
Excluding image region: 2679.0 2807.0 2681.0 2809.0 (defined in bad_region.lst)
Excluding more image regions!.. (will not print them all)
Excluded a total of 31 image regions (defined in bad_region.lst).
SExtractor catalog parsing summary: zero_flux=0, no_flux_err=0, no_mag=0, no_mag_err=0, low_SNR=3, blended=695, bad_region=2829, passed=23928
Got 23928 stars (including 20481 good ones) from the SExtractor catalog wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat
util/solve_plate_with_UCAC5 got 23928 stars from the SExtractor catalog
Updated FoV from the plate-solved image: 940.5'
Seting catalog search parameters based on the expected field of view 940.5 arcmin
UCAC5 catalog search parameters:
catalog_search_parameters->search_radius_deg= 0.013063 (47.0 arcsec)
catalog_search_parameters->brightest_mag= 1.00
catalog_search_parameters->faintest_mag= 13.50
catalog_search_parameters->search_radius_second_step_deg 0.010450 (37.6 arcsec)
ITERATION 01 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4927 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 4897 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.48"
Removing outliers...
Correcting the measured astrometric positions...
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 21923 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.48"
ITERATION 02 -- talking to VizieR, this might be slow!
UCAC5 search strategy: trying local copy first
Found a local copy of UCAC5
UCAC5 local query limit 5000: matching up to 5000 detected stars, deepening the UCAC5 window to mag 15.50
Reading UCAC5 zone files...
Searching UCAC5 zones 650 to 708 (Dec 40.1 to 51.3)
Done reading UCAC5 zone files...
Matched 4929 stars with the local copy of UCAC5.
The local UCAC5 search seems to be a success
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 21923 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.49"
Accuracy estimation diagnostic: 4896 matched stars entering correct_measured_positions(), 21923 with non-zero local correction accuracy
Estimated accuracy of the plate solution: 0.51"
Excluding outliers - 4896 stars left (next iteration limit 5385)
Stop iterations.
The field is successfully solved and matched with the astrometric catalog! :)
SIP_REFIT: wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits is a symbolic link - not rewriting the WCS of whatever it points to, keeping the original solution
WCS_QUALITY_DIAG: file=fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits N_match=4896 sigma_overall_arcsec=0.533 sigma_q1_arcsec=0.534 sigma_q2_arcsec=0.571 sigma_q3_arcsec=0.518 sigma_q4_arcsec=0.550 n_q1=1716 n_q2=821 n_q3=1087 n_q4=1272 worst_quadrant_to_overall_ratio=1.071
The image catalog is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat.ucac5
The DS9 region file with the matched stars is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat.ds9.reg
You may view it with the command:
ds9 /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits -region wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat.ds9.reg
The astrometric residuals vector field is written to wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits.wcscat.astrometric_residuals
Option '-n' not using photometric catalogs, just stick with astrometry
opt '-i': 2 is the maximum number of iterations
Skipping WCS quality comparison: not the first SExtractor pass (default.sex.telephoto_lens_vSTL)
Copying WCS-calibrated images back to input directory
Saving fully-calibrated image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-10_20.00sec_-0.00C_LIGHT_0260.fits
Saving fully-calibrated image wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
INFO: FPACK_FULLY_CALIBRATED_IMAGE=no (not compressing the image)
The destination file is already there - not rewriting /data_ssd/NMW-TexasTech/workdir//img_2026-08-06_CI_Per-02-Q2b1x1_015919_TTUQ2b1x1_1171320_G5dCr3z2/wcs_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261.fits
Preparing the HTML report for the field Per-02-Q2b1x1 with default.sex.telephoto_lens_vSTL
Forced photometry on wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits at 03:32:55.14 +49:24:28.3: 12.77 +/- 0.01 detection
Forced photometry on wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits at 03:31:17.50 +49:42:38.2: 11.77 +/- 0.01 detection
Forced photometry on wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits at 03:32:55.14 +49:24:28.3: 12.76 +/- 0.01 detection
Forced photometry reference-image weighted average: 12.77 +/- 0.01
Forced photometry filter REJECTED candidate at 03:32:55.14 +49:24:28.3: ref_mag=12.77 +/- 0.01 new_mean_mag=12.5971 delta=0.17 (need > 0.90)
Forced photometry on wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits at 03:31:17.50 +49:42:38.2: 11.74 +/- 0.01 detection
Forced photometry reference-image weighted average: 11.75 +/- 0.00
Forced photometry filter REJECTED candidate at 03:31:17.50 +49:42:38.2: ref_mag=11.75 +/- 0.00 new_mean_mag=12.3338 delta=-0.58 (need > 0.90)
Forced photometry on wcs_Per-02-Q2b1x1_2026-01-08_19-58-07_20.00sec_-15.00C_LIGHT_0020.fits at 03:30:37.51 +45:15:09.4: 13.38 +/- 0.03 detection
Forced photometry on wcs_Per-02-Q2b1x1_2026-01-08_19-58-49_20.00sec_-15.00C_LIGHT_0021.fits at 03:30:37.51 +45:15:09.4: 13.35 +/- 0.03 detection
Forced photometry reference-image weighted average: 13.36 +/- 0.02
Forced photometry filter KEPT candidate at 03:30:37.51 +45:15:09.4: ref_mag=13.36 +/- 0.02 new_mean_mag=12.3110 delta=1.05 (need > 0.90)
Adding exclusion_list_local.txt__out82031.dat to exclusion_list_local.txt
make_report_in_HTML.sh Phase 1 (network queries): 6s
Pre-generating preview images in parallel...
Done pre-generating preview images.
Pre-generating finding charts in parallel...
Done pre-generating finding charts.
make_report_in_HTML.sh Pre-generation: 2s
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212357_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212357_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:53:46.94 +48:40:47.0 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212367_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212367_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212368_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212368_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
Rejecting candidate due to large distance (9.8") between the two second-epoch detections
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212500_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212500_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:53:30.09 +47:39:02.2 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212663_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212663_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
Rejecting candidate due to large distance (16.5") between the two second-epoch detections
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212695_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212695_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:30:26.03 +48:06:28.5 in the exclusion list exclusion_list_bsc.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212726_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212726_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:44:45.14 +46:07:13.4 in the exclusion list exclusion_list_bsc.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212777_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212777_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
Rejecting candidate due to large distance (18.4") between the two second-epoch detections
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212798_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212798_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
Rejecting candidate due to large distance (18.9") between the two second-epoch detections
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212853_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212853_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
Rejecting candidate due to large distance (17.2") between the two second-epoch detections
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212867_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212867_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:09:13.90 +44:50:33.8 in the exclusion list exclusion_list_bbsc.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212873_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212873_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 212906_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 212906_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:46:04.35 +45:42:22.4 in the exclusion list exclusion_list_bsc.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 213005_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 213005_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
Rejecting candidate due to large distance (10.0") between the two second-epoch detections
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 213042_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 213042_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
Rejecting candidate due to large distance (16.1") between the two second-epoch detections
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 213121_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 213121_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:31:48.86 +48:45:24.3 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 33764_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 33764_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:48:45.39 +42:55:42.0 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 128521_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 128521_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:26:29.64 +47:31:47.5 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 100117_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 100117_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:29:49.79 +46:09:56.5 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 117836_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 117836_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:50:56.29 +47:14:33.3 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 147840_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 147840_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
Rejecting candidate due to large distance (18.0") between the two second-epoch detections
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 201415_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 201415_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:18:27.88 +42:49:17.8 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 145807_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 145807_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:54:56.63 +48:36:00.6 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 48255_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 48255_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:37:25.17 +43:39:08.4 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 82031_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
Preparing report for the candidate 82031_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 31744_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 31744_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:30:56.45 +42:37:23.0 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 54778_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
Preparing report for the candidate 54778_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 166395_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 166395_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:42:34.74 +50:15:58.3 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 82973_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 82973_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:49:29.42 +45:29:52.3 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 53524_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 53524_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks
**** FOUND 03:23:35.27 +43:39:31.6 in the exclusion list exclusion_list.txt ****
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Considering the candidate 66312_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261
The candidate 66312_fd_Per-02-Q2b1x1_2026-08-06_01-30-50_20.00sec_0.00C_LIGHT_0261 did not pass the final checks