Started working on galaxy UGC04671 at Thu Jun 18 13:24:05 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-tractor.fits
Read 473 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 4942.3447]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/134/UGC04671/UGC04671-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: 51806
 Peak Img[j, k]: 504 504
 Mean (j, k): 495.06 507.54
 Theta (deg): 151.8
 Astro PA (deg): 118.2
 Eps: 0.203
 Major axis (pix): 179.0
Iteratively unmasking pixels:
  r=178.96 pixels
  r=178.96 pixels
  r=237.42 pixels
  r=237.68 pixels
523.367148363 504.513 493.708410305 504.203
Peak position has moved by more than 10 pixels---falling back on Tractor geometry!
  r=61.39 pixels
Starting ellipse-fitting for galaxy 806562
Fitting g-band took......8.136 sec
Fitting r-band took......8.017 sec
Fitting z-band took......8.456 sec
Time for all images = 24.609 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 296.72
r CoG modeling succeeded with a chi^2 minimum of 342.44
z CoG modeling succeeded with a chi^2 minimum of 317.79
Time = 0.061 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/134/UGC04671/UGC04671-largegalaxy-806562-ellipse.fits
Finished galaxy UGC04671 in 3.025 minutes.