Started working on galaxy PGC171993 at Tue Jun 16 19:53:22 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-tractor.fits
Read 39 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 461.78864]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/006/PGC171993/PGC171993-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: 1337
 Peak Img[j, k]: 151 147
 Mean (j, k): 151.73 148.63
 Theta (deg): 140.7
 Astro PA (deg): 129.3
 Eps: 0.266
 Major axis (pix): 28.7
Iteratively unmasking pixels:
  r=28.73 pixels
  r=28.73 pixels
  r=34.69 pixels
  r=34.73 pixels
151.927651616 150.785 148.941053767 146.763
Starting ellipse-fitting for galaxy 691448
Fitting g-band took......1.456 sec
Fitting r-band took......1.431 sec
Fitting z-band took......1.505 sec
Time for all images = 4.393 sec
Performing elliptical aperture photometry.
g CoG modeling succeeded with a chi^2 minimum of 12403.33
r CoG modeling succeeded with a chi^2 minimum of 7671.48
z CoG modeling succeeded with a chi^2 minimum of 2345.94
Time = 0.027 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/006/PGC171993/PGC171993-largegalaxy-691448-ellipse.fits
Finished galaxy PGC171993 in 0.683 minutes.