Started working on galaxy PGC018905 at Thu Jun 18 19:01:06 2020 Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-sample.fits Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-tractor.fits Read 68 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-tractor.fits Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-maskbits.fits.fz Sort by flux! [ 1585.8768] Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-image-g.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-model-g.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-invvar-g.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-image-r.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-model-r.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-invvar-r.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-image-z.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-model-z.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-largegalaxy-invvar-z.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/095/PGC018905/PGC018905-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: 18547 Peak Img[j, k]: 296 291 Mean (j, k): 298.59 289.52 Theta (deg): 23.7 Astro PA (deg): 66.3 Eps: 0.725 Major axis (pix): 165.3 Iteratively unmasking pixels: r=165.33 pixels r=165.33 pixels r=197.52 pixels r=224.68 pixels r=245.89 pixels 346.24478518 296.02 299.770673292 292.144 Peak position has moved by more than 10 pixels---falling back on Tractor geometry! r=226.35 pixels Starting ellipse-fitting for galaxy 159443 Fitting g-band took......50.005 sec Fitting r-band took......47.419 sec Fitting z-band took......54.895 sec Time for all images = 152.319 sec Performing elliptical aperture photometry. 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! g CoG modeling succeeded with a chi^2 minimum of 20995.48 r CoG modeling succeeded with a chi^2 minimum of 75966.14 z CoG modeling succeeded with a chi^2 minimum of 303.99 Time = 1.123 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/095/PGC018905/PGC018905-largegalaxy-159443-ellipse.fits Finished galaxy PGC018905 in 4.224 minutes.