Started working on galaxy PGC461786 at Wed Jun 17 14:47:03 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-tractor.fits
Read 42 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 253.40942]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/083/PGC461786/PGC461786-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: 4066
 Peak Img[j, k]: 145 146
 Mean (j, k): 151.70 144.90
 Theta (deg): 84.2
 Astro PA (deg): 5.8
 Eps: 0.504
 Major axis (pix): 73.3
Iteratively unmasking pixels:
  r=73.31 pixels
  r=73.31 pixels
  r=87.97 pixels
  r=91.80 pixels
156.87027614 144.177 142.669957648 146.195
Peak position has moved by more than 10 pixels---falling back on Tractor geometry!
  r=108.00 pixels
Starting ellipse-fitting for galaxy 1424941
Fitting g-band took......37.155 sec
Fitting r-band took......38.353 sec
Fitting z-band took......38.433 sec
Time for all images = 113.941 sec
Performing elliptical aperture photometry.
g CoG modeling succeeded with a chi^2 minimum of 247.81
r CoG modeling succeeded with a chi^2 minimum of 2630.91
z CoG modeling succeeded with a chi^2 minimum of 281.81
Time = 0.169 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/PGC461786/PGC461786-largegalaxy-1424941-ellipse.fits
Finished galaxy PGC461786 in 2.280 minutes.