Started working on galaxy NGC4900 at Thu Jun 18 05:54:51 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-tractor.fits
Read 821 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 54456.938]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/195/NGC4900/NGC4900-largegalaxy-psf-r.fits.fz
Building masked image for central 1/1.
 Pixels used: 158238
 Peak Img[j, k]: 755 757
 Mean (j, k): 762.89 777.13
 Theta (deg): 36.2
 Astro PA (deg): 53.8
 Eps: 0.341
 Major axis (pix): 341.6
762.890171146 732.375 777.126972732 733.119
Peak position has moved by more than 10 pixels---falling back on Tractor geometry!
  r=534.17 pixels
Starting ellipse-fitting for galaxy 1330349
Fitting g-band took......1342.527 sec
Fitting r-band took......1322.887 sec
Fitting z-band took......1285.032 sec
Time for all images = 3950.446 sec
Performing elliptical aperture photometry.
g CoG modeling failed.
g CoG modeling succeeded with a chi^2 minimum of 1803229.65
WARNING: The fit may be unsuccessful; check fit_info['message'] for more information. [astropy.modeling.fitting]
r CoG modeling succeeded with a chi^2 minimum of 218179.96
z CoG modeling succeeded with a chi^2 minimum of 49605.98
Time = 12.506 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/195/NGC4900/NGC4900-largegalaxy-1330349-ellipse.fits
Finished galaxy NGC4900 in 79.087 minutes.