Started working on galaxy PGC1798840 at Tue Jun 16 13:30:20 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-tractor.fits
Read 43 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 236.53908]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/233/PGC1798840/PGC1798840-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: 1151
 Peak Img[j, k]: 134 127
 Mean (j, k): 132.85 108.45
 Theta (deg): 75.6
 Astro PA (deg): 14.4
 Eps: 0.532
 Major axis (pix): 47.4
Iteratively unmasking pixels:
  r=47.37 pixels
  r=47.37 pixels
  r=58.93 pixels
  r=61.84 pixels
  r=87.22 pixels
146.869886545 132.578 157.6210367 134.602
Peak position has moved by more than 10 pixels---falling back on Tractor geometry!
  r=26.49 pixels
Starting ellipse-fitting for galaxy 164447
Fitting g-band took......2.005 sec
Fitting r-band took......2.131 sec
Fitting z-band took......1.997 sec
Time for all images = 6.134 sec
Performing elliptical aperture photometry.
Insufficient profile to measure the radius at 25.0 mag/arcsec2!
Insufficient profile to measure the radius at 25.5 mag/arcsec2!
Insufficient profile to measure the radius at 26.0 mag/arcsec2!
g CoG modeling succeeded with a chi^2 minimum of 193.09
r CoG modeling succeeded with a chi^2 minimum of 186.82
z CoG modeling succeeded with a chi^2 minimum of 136.54
Time = 0.034 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/233/PGC1798840/PGC1798840-largegalaxy-164447-ellipse.fits
Finished galaxy PGC1798840 in 0.170 minutes.