Started working on galaxy NGC4758 at Thu Jun 18 05:20:46 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-tractor.fits
Read 1439 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 9833.246]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4758/NGC4758-largegalaxy-psf-r.fits.fz
Building masked image for central 1/1.
 Pixels used: 132162
 Peak Img[j, k]: 943 944
 Mean (j, k): 924.01 943.26
 Theta (deg): 112.0
 Astro PA (deg): 158.0
 Eps: 0.777
 Major axis (pix): 428.7
924.013407873 946.772 943.261009967 950.46
Peak position has moved by more than 10 pixels---falling back on Tractor geometry!
  r=409.50 pixels
Starting ellipse-fitting for galaxy 281681
Fitting g-band took......459.564 sec
Fitting r-band took......466.919 sec
Fitting z-band took......528.188 sec
Time for all images = 1454.672 sec
Performing elliptical aperture photometry.
g CoG modeling succeeded with a chi^2 minimum of 25298.47
r CoG modeling succeeded with a chi^2 minimum of 20958.75
z CoG modeling succeeded with a chi^2 minimum of 10011.10
Time = 7.004 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/193/NGC4758/NGC4758-largegalaxy-281681-ellipse.fits
Finished galaxy NGC4758 in 32.086 minutes.