Found ximgfit at /opt/xassist/scripts/ximgfit root=/opt/xassist /opt/xassist/Python/lib/tcl8.5/ pyfits version = 2.1.1 Python version: 2.5.4 (r254:67916, Aug 14 2009, 18:07:15) [GCC 4.1.1 20070105 (Red Hat 4.1.1-52)] Unable to load astropy convolve Loaded FFT convolve Using fft_convolve which use numpy fft Unable to load astropy convolve Loaded FFT convolve Loaded FFT convolve Trying to load Tk... Unable to load Tk (not urgent, only needed for displaying images) Could not import Tkinter Tk support not present Registered models: King FlatDisk Constant Linear Exponential FilledEllipsoid Gaussian deVaucCircular Welcome to ximgfit v1.006 Type help for instructions @fullrun_ccd2_acisf13708_pi14-548_cl_pass0_tfrozen_src1_1.ximg # Saved at Fri Aug 14 12:39:08 2015 data ../../../acisf13708/products/images/fullrun_ccd2_acisf13708_pi14-548_cl.img.gz 320 645 397 722 Reading ../../../acisf13708/products/images/fullrun_ccd2_acisf13708_pi14-548_cl.img.gz using pyfits Exposure = 9844.92690786 Extracting (319:396, 644:721) Extracting subarray using numpy set plate 0.492000 psf 1 none Setting psf number 1, shift up remaining arguments mask ../../../acisf13708/products/images/fullrun_ccd2_acisf13708_pi14-548_mask.img.gz 1.000000 320 645 397 722 Reading ../../../acisf13708/products/images/fullrun_ccd2_acisf13708_pi14-548_mask.img.gz using pyfits Exposure = 9844.86488548 Extracting (319:396, 644:721) Extracting subarray using numpy stat C model Constant Linear Gaussian setpar 1 0.0107561 0.000502923 0 100 -1 setpar 2 -3.75198e-05 2.71618e-05 -10 10 -1 setpar 3 4.02104e-05 2.97379e-05 -10 10 -1 setpar 4 0.330774 0.152537 -18.8275 18.8275 -1 setpar 5 -0.677361 0.219639 -18.8275 18.8275 -1 setpar 6 0.239536 0.0113314 1e-06 1e+07 -1 setpar 7 1.95748 0.25484 1.17672 9.41373 -1 setpar 8 1.95748 0.001 1.17672 9.41373 6 setpar 9 0 -0.01 -360 360 -1 thaw 4 thaw 5 thaw 7 thaw 9 untie 8 fit 200 0.0001 Warning... singular matrix, skipping iteration No new minimum found after 1 tries 811.52 -2 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 Warning... singular matrix, skipping iteration No new minimum found after 2 tries 811.52 -1 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 Warning... singular matrix, skipping iteration No new minimum found after 3 tries 811.52 0 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 Warning... singular matrix, skipping iteration No new minimum found after 4 tries 811.52 1 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 Warning... singular matrix, skipping iteration No new minimum found after 5 tries 811.52 2 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 Warning... singular matrix, skipping iteration No new minimum found after 6 tries 811.52 3 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 Warning... singular matrix, skipping iteration No new minimum found after 7 tries 811.52 4 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 Warning... singular matrix, skipping iteration No new minimum found after 8 tries 811.52 5 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 Warning... singular matrix, skipping iteration No new minimum found after 9 tries 811.52 6 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 Warning... singular matrix, skipping iteration No new minimum found after 10 tries 811.52 7 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 Warning... singular matrix, skipping iteration No new minimum found after 11 tries 811.52 8 0.01076 -3.752e-05 4.021e-05 0.3308 -0.6774 0.2395 1.957 1.957 0 I might be confused, please try a new set of parameter values save all fullrun_ccd2_acisf13708_pi14-548_cl_pass0_src1.ximg Saving current fit data in fullrun_ccd2_acisf13708_pi14-548_cl_pass0_src1.ximg exit logs/ exists xml/ exists csv/ exists stamps/ exists ppmtogif is installed, stamp images will be converted to gifs