[Wed Mar 7 10:21:47 2012] Detection parameters: Position = (251.9, 206.9) = 21 37 6.30 -62 31 13.1 Extent = 10.9" x 10.9", rotation angle = 0 degrees Source counts = 80.0 +/- 18.9 Background counts = 141.2 Rate = 0.02 +/- 0.004 [Wed Mar 7 10:21:47 2012] Off-axis axis estimate = 7.44' [Wed Mar 7 10:25:25 2012] Using EEF radius (= 10.15 ")to estimate initial spatial extent for simple fitting [Wed Mar 7 10:25:25 2012] Initial guess for spatial extent in simple fitting = 10.15" [Wed Mar 7 10:25:25 2012] source mask rpix=2.3, npix_max = 32, mask sum = 36, frac = 1.121 [Wed Mar 7 10:25:25 2012] Giving source the simple spatial ID 7 for pass 0, mean size = 10.15" [Wed Mar 7 11:05:13 2012] fullrun_pn_xmm0407021001_pi300-10000_cl_pass0_src7.ximg exists [Wed Mar 7 11:05:13 2012] Warning: model total counts is not > 0 in csv/fullrun_pn_xmm0407021001_pi300-10000_cl_pass0_src7.csv [Wed Mar 7 11:05:13 2012] fullrun_pn_xmm0407021001_pi300-10000_cl_pass0_src7_1.ximg exists [Wed Mar 7 11:05:13 2012] Warning: model total counts is not > 0 in csv/fullrun_pn_xmm0407021001_pi300-10000_cl_pass0_src7.csv [Wed Mar 7 11:05:13 2012] It looks like the fit did not converge You should probably delete fullrun_pn_xmm0407021001_pi300-10000_cl_pass0_src7_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0407021001_pi300-10000_cl_pass0_src7.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 Mar 7 11:05:13 2012] fullrun_pn_xmm0407021001_pi300-10000_cl_pass0_tfrozen_src7.ximg exists [Wed Mar 7 11:05:13 2012] fullrun_pn_xmm0407021001_pi300-10000_cl_pass0_tfrozen_src7_1.ximg exists [Wed Mar 7 11:05:13 2012] Fit fullrun_pn_xmm0407021001_pi300-10000_cl_pass0_tfrozen_src7 appears to have run properly [Wed Mar 7 11:34:20 2012] Spatial fit model total counts = 936.801000, observed total counts = 938.000000 [Wed Mar 7 11:34:20 2012] Offset between fit and detection position for source 7 = 0.947977 pixels [Wed Mar 7 11:34:20 2012] 943.702600 total counts/ 921.168000 bgd. counts: snr = 0.742473 Spatial fit parameters: Offset between fit and detection position for source 7 = 0.947977 pixels Position = (251.5, 207.7) = 21 37 6.56 -62 31 12.0 Extent = 2.6 (2.5-5.3)", rotation angle = 0 Source counts = 22.5 +/- 30.7 Background counts = 921.2 Rate = 0.01 +/- 0.01 Deleting source due to low Poisson probability