Started working on galaxy PGC492830 at Wed Jun 17 17:25:05 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-tractor.fits
Read 95 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 432.04013]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-psf-r.fits.fz
Building masked image for central 1/1.
Central position has been masked, possibly by a star (or saturated core).
 Pixels used: 2462
 Peak Img[j, k]: 229 174
 Mean (j, k): 209.70 168.11
 Theta (deg): 77.7
 Astro PA (deg): 12.3
 Eps: 0.894
 Major axis (pix): 90.1
Iteratively unmasking pixels:
  r=90.11 pixels
  r=90.11 pixels
  r=114.04 pixels
  r=117.93 pixels
216.991323197 173.091 164.07665197 176.307
Peak position has moved by more than 10 pixels---falling back on Tractor geometry!
  r=103.61 pixels
Starting ellipse-fitting for galaxy 268794
Fitting g-band took......12.977 sec
Fitting r-band took......13.966 sec
Fitting z-band took......13.795 sec
Time for all images = 40.738 sec
Performing elliptical aperture photometry.
g CoG modeling succeeded with a chi^2 minimum of 515.29
r CoG modeling succeeded with a chi^2 minimum of 1277.73
z CoG modeling succeeded with a chi^2 minimum of 1404.07
Time = 0.161 min
WARNING: The unit 'mgy / arcsec2' could not be saved in native FITS format and cannot be recovered in reading. If pyyaml is installed, it can roundtrip within astropy by using QTable both to write and read back, though one has to enable the unit before reading. [astropy.io.fits.convenience]
Writing /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC492830/PGC492830-largegalaxy-268794-ellipse.fits
Finished galaxy PGC492830 in 1.450 minutes.