Started working on galaxy NGC3881_GROUP at Wed Jun 17 16:39:32 2020 Read 2 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-sample.fits Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-tractor.fits Read 371 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-tractor.fits Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-maskbits.fits.fz Sort by flux! [ 3969.2014 676.0357] Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-image-g.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-model-g.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-invvar-g.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-image-r.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-model-r.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-invvar-r.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-image-z.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-model-z.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-invvar-z.fits.fz Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-psf-r.fits.fz Building masked image for central 1/2. Pixels used: 47351 Peak Img[j, k]: 596 482 Mean (j, k): 595.99 481.97 Theta (deg): 73.9 Astro PA (deg): 16.1 Eps: 0.167 Major axis (pix): 159.8 595.987528742 596.189 481.967391131 482.15 Building masked image for central 2/2. Pixels used: 6458 Peak Img[j, k]: 381 659 Mean (j, k): 380.58 659.37 Theta (deg): 132.6 Astro PA (deg): 137.4 Eps: 0.135 Major axis (pix): 58.7 380.575995505 380.619 659.371957281 659.493 Starting ellipse-fitting for galaxy 990001 Fitting g-band took......88.992 sec Fitting r-band took......90.486 sec Fitting z-band took......100.597 sec Time for all images = 280.076 sec Performing elliptical aperture photometry. g CoG modeling succeeded with a chi^2 minimum of 13.16 r CoG modeling succeeded with a chi^2 minimum of 19.03 z CoG modeling succeeded with a chi^2 minimum of 2143.65 Time = 0.245 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/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-990001-ellipse.fits Starting ellipse-fitting for galaxy 667156 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/176/NGC3881_GROUP/NGC3881_GROUP-largegalaxy-667156-ellipse.fits Finished galaxy NGC3881_GROUP in 6.230 minutes.