Started working on galaxy NGC6491 at Fri Jun 19 09:27:11 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-tractor.fits
Read 251 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 5409.2026]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/267/NGC6491/NGC6491-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: 36048
 Peak Img[j, k]: 431 430
 Mean (j, k): 429.13 430.20
 Theta (deg): 50.5
 Astro PA (deg): 39.5
 Eps: 0.536
 Major axis (pix): 169.0
Iteratively unmasking pixels:
  r=169.04 pixels
  r=169.04 pixels
  r=202.85 pixels
429.126622048 430.422 430.197874173 429.364
Starting ellipse-fitting for galaxy 693446
Fitting g-band took......66.554 sec
Fitting r-band took......66.542 sec
Fitting z-band took......67.611 sec
Time for all images = 200.707 sec
Performing elliptical aperture photometry.
g CoG modeling succeeded with a chi^2 minimum of 8741.58
r CoG modeling succeeded with a chi^2 minimum of 7052.31
z CoG modeling succeeded with a chi^2 minimum of 5761.28
Time = 0.425 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/267/NGC6491/NGC6491-largegalaxy-693446-ellipse.fits
Finished galaxy NGC6491 in 4.352 minutes.