Started working on galaxy PGC1664001 at Wed Jun 17 04:44:45 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-tractor.fits
Read 22 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 250.26695]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/253/PGC1664001/PGC1664001-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: 1325
 Peak Img[j, k]: 155 168
 Mean (j, k): 151.80 156.61
 Theta (deg): 149.8
 Astro PA (deg): 120.2
 Eps: 0.735
 Major axis (pix): 61.6
Iteratively unmasking pixels:
  r=61.58 pixels
  r=61.58 pixels
  r=87.88 pixels
  r=103.99 pixels
153.847574681 140.167 184.953869799 140.146
Peak position has moved by more than 10 pixels---falling back on Tractor geometry!
  r=60.18 pixels
Starting ellipse-fitting for galaxy 681848
Fitting g-band took......4.368 sec
Fitting r-band took......4.177 sec
Fitting z-band took......4.661 sec
Time for all images = 13.207 sec
Performing elliptical aperture photometry.
g CoG modeling succeeded with a chi^2 minimum of 125477.19
r CoG modeling succeeded with a chi^2 minimum of 108866.22
WARNING: The fit may be unsuccessful; check fit_info['message'] for more information. [astropy.modeling.fitting]
z CoG modeling succeeded with a chi^2 minimum of 50689.61
Time = 0.045 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/253/PGC1664001/PGC1664001-largegalaxy-681848-ellipse.fits
Finished galaxy PGC1664001 in 0.856 minutes.