Started working on galaxy NGC0821 at Thu Jun 18 18:39:45 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-tractor.fits
Read 1058 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 50647.73]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/032/NGC0821/NGC0821-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: 283339
 Peak Img[j, k]: 843 842
 Mean (j, k): 832.82 832.00
 Theta (deg): 52.5
 Astro PA (deg): 37.5
 Eps: 0.386
 Major axis (pix): 473.1
Iteratively unmasking pixels:
  r=473.05 pixels
  r=473.05 pixels
  r=561.79 pixels
  r=568.93 pixels
855.325171898 842.401 852.22087744 842.49
Peak position has moved by more than 10 pixels---falling back on Tractor geometry!
  r=268.61 pixels
Starting ellipse-fitting for galaxy 43702
Fitting g-band took......307.368 sec
Fitting r-band took......316.795 sec
Fitting z-band took......311.237 sec
Time for all images = 935.400 sec
Performing elliptical aperture photometry.
Insufficient profile to measure the radius at 25.0 mag/arcsec2!
Insufficient profile to measure the radius at 25.5 mag/arcsec2!
Insufficient profile to measure the radius at 26.0 mag/arcsec2!
g CoG modeling succeeded with a chi^2 minimum of 288943.25
r CoG modeling succeeded with a chi^2 minimum of 148296.94
z CoG modeling succeeded with a chi^2 minimum of 247467.84
Time = 1.797 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/032/NGC0821/NGC0821-largegalaxy-43702-ellipse.fits
Finished galaxy NGC0821 in 17.733 minutes.