Started working on galaxy NGC6747 at Thu Jun 18 16:47:23 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-tractor.fits
Read 72 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 3395.274]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/283/NGC6747/NGC6747-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: 39953
 Peak Img[j, k]: 223 224
 Mean (j, k): 223.70 224.22
 Theta (deg): 131.1
 Astro PA (deg): 138.9
 Eps: 0.127
 Major axis (pix): 129.6
Iteratively unmasking pixels:
  r=129.56 pixels
  r=129.56 pixels
  r=155.48 pixels
223.704796654 222.414 224.215838611 224.661
Starting ellipse-fitting for galaxy 942786
Fitting g-band took......43.207 sec
Fitting r-band took......37.931 sec
Fitting z-band took......46.170 sec
Time for all images = 127.308 sec
Performing elliptical aperture photometry.
g CoG modeling succeeded with a chi^2 minimum of 303.50
r CoG modeling succeeded with a chi^2 minimum of 354.69
z CoG modeling succeeded with a chi^2 minimum of 5670.77
Time = 0.180 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/283/NGC6747/NGC6747-largegalaxy-942786-ellipse.fits
Finished galaxy NGC6747 in 3.483 minutes.