Started working on galaxy PGC018637 at Thu Jun 18 18:55:06 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-tractor.fits
Read 285 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 5287.649]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/093/PGC018637/PGC018637-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: 54001
 Peak Img[j, k]: 414 410
 Mean (j, k): 415.28 411.26
 Theta (deg): 67.5
 Astro PA (deg): 22.5
 Eps: 0.317
 Major axis (pix): 194.5
Iteratively unmasking pixels:
  r=194.46 pixels
  r=194.46 pixels
  r=233.23 pixels
415.353028497 414.763 415.444384568 411.57
Starting ellipse-fitting for galaxy 1395752
Fitting g-band took......160.142 sec
Fitting r-band took......152.004 sec
Fitting z-band took......168.075 sec
Time for all images = 480.221 sec
Performing elliptical aperture photometry.
g CoG modeling succeeded with a chi^2 minimum of 931.08
r CoG modeling succeeded with a chi^2 minimum of 98.66
z CoG modeling succeeded with a chi^2 minimum of 2317.04
Time = 0.616 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/093/PGC018637/PGC018637-largegalaxy-1395752-ellipse.fits
Finished galaxy PGC018637 in 9.233 minutes.