Started working on galaxy NGC4795_GROUP at Thu Jun 18 04:58:32 2020
Read 2 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-tractor.fits
Read 938 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 24417.188    2010.8079]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/193/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-psf-r.fits.fz
Building masked image for central 1/2.
 Pixels used: 182780
 Peak Img[j, k]: 753 762
 Mean (j, k): 757.03 767.13
 Theta (deg): 151.7
 Astro PA (deg): 118.3
 Eps: 0.314
 Major axis (pix): 323.3
757.027834677 753.407 767.12551565 761.505
Building masked image for central 2/2.
The previous central has masked the current central with shrink factor 1.00
The previous central has masked the current central with shrink factor 0.95
The previous central has masked the current central with shrink factor 0.90
The previous central has masked the current central with shrink factor 0.85
The previous central has masked the current central with shrink factor 0.80
The previous central has masked the current central with shrink factor 0.75
The previous central has masked the current central with shrink factor 0.70
The previous central has masked the current central with shrink factor 0.65
The previous central has masked the current central with shrink factor 0.60
The previous central has masked the current central with shrink factor 0.55
The previous central has masked the current central with shrink factor 0.50
The previous central has masked the current central with shrink factor 0.45
The previous central has masked the current central with shrink factor 0.40
 Pixels used: 29500
 Peak Img[j, k]: 800 901
 Mean (j, k): 807.08 897.52
 Theta (deg): 73.1
 Astro PA (deg): 16.9
 Eps: 0.388
 Major axis (pix): 179.5
807.084454946 763.486 897.523194011 657.248
Peak position has moved by more than 10 pixels---falling back on Tractor geometry!
  r=25.32 pixels
Starting ellipse-fitting for galaxy 106654
Fitting g-band took......601.783 sec
Fitting r-band took......584.740 sec
Fitting z-band took......568.680 sec
Time for all images = 1755.203 sec
Performing elliptical aperture photometry.
WARNING: The fit may be unsuccessful; check fit_info['message'] for more information. [astropy.modeling.fitting]
g CoG modeling succeeded with a chi^2 minimum of 260178.26
r CoG modeling succeeded with a chi^2 minimum of 222683.17
z CoG modeling succeeded with a chi^2 minimum of 215104.89
Time = 2.360 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/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-106654-ellipse.fits
Starting ellipse-fitting for galaxy 5001413
Fitting g-band took... Central pixel is masked; resorting to extreme measures!
...0.001 sec
Fitting r-band took... Central pixel is masked; resorting to extreme measures!
...0.000 sec
Fitting z-band took... Central pixel is masked; resorting to extreme measures!
...0.000 sec
Time for all images = 0.001 sec
Performing elliptical aperture photometry.
Insufficient profile to measure the radius at 22.0 mag/arcsec2!
Insufficient profile to measure the radius at 22.5 mag/arcsec2!
Insufficient profile to measure the radius at 23.0 mag/arcsec2!
Insufficient profile to measure the radius at 23.5 mag/arcsec2!
Insufficient profile to measure the radius at 24.0 mag/arcsec2!
Insufficient profile to measure the radius at 24.5 mag/arcsec2!
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!
Warning: Too few g-band pixels to fit the curve of growth; skipping.
Warning: Too few r-band pixels to fit the curve of growth; skipping.
Warning: Too few z-band pixels to fit the curve of growth; skipping.
Time = 0.000 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/NGC4795_GROUP/NGC4795_GROUP-largegalaxy-5001413-ellipse.fits
Finished galaxy NGC4795_GROUP in 32.393 minutes.