[Wed Apr 11 00:12:56 2012] Detection parameters: Position = (481.5, 244.2) = 20 32 52.63 60 5 32.6 Extent = 10.9" x 10.9", rotation angle = 0 degrees Source counts = 128.2 +/- 22.1 Background counts = 110.6 Rate = 0.007 +/- 0.001 [Wed Apr 11 00:12:56 2012] Off-axis axis estimate = 13.84' [Wed Apr 11 00:13:09 2012] Using EEF radius (= 13.35 ")to estimate initial spatial extent for simple fitting [Wed Apr 11 00:13:09 2012] Initial guess for spatial extent in simple fitting = 13.35" [Wed Apr 11 00:13:09 2012] source mask rpix=3.1, npix_max = 50, mask sum = 49, frac = 0.962 [Wed Apr 11 00:13:09 2012] Giving source the simple spatial ID 18 for pass 0, mean size = 13.35" [Wed Apr 11 00:13:10 2012] fullrun_pn_xmm0200670401_pi300-10000_cl_pass0_src18.ximg exists [Wed Apr 11 00:13:10 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0200670401_pi300-10000_cl_pass0_src18.csv [Wed Apr 11 00:13:10 2012] fullrun_pn_xmm0200670401_pi300-10000_cl_pass0_src18_1.ximg exists [Wed Apr 11 00:13:10 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0200670401_pi300-10000_cl_pass0_src18.csv [Wed Apr 11 00:13:10 2012] It looks like the fit did not converge You should probably delete fullrun_pn_xmm0200670401_pi300-10000_cl_pass0_src18_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0200670401_pi300-10000_cl_pass0_src18.ximg or adjust the simplespatial fit parameters in $XASSIST/data/missions/*/*/spatial.dat and re-run simplespatial fitting after setting file recreation parameter to yes [Wed Apr 11 00:13:10 2012] fullrun_pn_xmm0200670401_pi300-10000_cl_pass0_tfrozen_src18.ximg exists [Wed Apr 11 00:13:10 2012] fullrun_pn_xmm0200670401_pi300-10000_cl_pass0_tfrozen_src18_1.ximg exists [Wed Apr 11 00:13:10 2012] Fit fullrun_pn_xmm0200670401_pi300-10000_cl_pass0_tfrozen_src18 appears to have run properly [Wed Apr 11 00:13:16 2012] Spatial fit model total counts = 411.112000, observed total counts = 409.000000 [Wed Apr 11 00:13:16 2012] Offset between fit and detection position for source 18 = 1.692879 pixels [Wed Apr 11 00:13:16 2012] 409.175300 total counts/ 387.929000 bgd. counts: snr = 1.078716 Spatial fit parameters: Offset between fit and detection position for source 18 = 1.692879 pixels Position = (482.0, 245.8) = 20 32 52.32 60 5 41.7 Extent = 7.2 (3.3-13.3)", rotation angle = 0 Source counts = 21.2 +/- 20.2 Background counts = 387.9 Rate = 0.005 +/- 0.004 Deleting source due to low Poisson probability