Started working on galaxy PGC1855840 at Wed Jun 17 04:07:13 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-tractor.fits
Read 65 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 330.81003]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/276/PGC1855840/PGC1855840-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: 2610
 Peak Img[j, k]: 165 139
 Mean (j, k): 169.99 121.84
 Theta (deg): 44.8
 Astro PA (deg): 45.2
 Eps: 0.417
 Major axis (pix): 46.4
Iteratively unmasking pixels:
  r=46.37 pixels
  r=46.37 pixels
  r=86.26 pixels
  r=110.21 pixels
  r=120.68 pixels
161.615715067 161.53 154.603231027 161.425
Starting ellipse-fitting for galaxy 607561
Fitting g-band took......17.157 sec
Fitting r-band took......17.306 sec
Fitting z-band took......16.138 sec
Time for all images = 50.602 sec
Performing elliptical aperture photometry.
g CoG modeling succeeded with a chi^2 minimum of 1125.93
r CoG modeling succeeded with a chi^2 minimum of 1835.02
z CoG modeling succeeded with a chi^2 minimum of 95.11
Time = 0.097 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/276/PGC1855840/PGC1855840-largegalaxy-607561-ellipse.fits
Finished galaxy PGC1855840 in 1.537 minutes.