[Wed Apr 11 06:33:00 2012] Detection parameters: Position = (278.3, 315.8) = 3 39 49.97 -35 25 2.9 Extent = 10.9" x 10.9", rotation angle = 0 degrees Source counts = 72.0 +/- 13.6 Background counts = 40.0 Rate = 0.002 +/- 0.0003 [Wed Apr 11 06:33:01 2012] Off-axis axis estimate = 1.93' [Wed Apr 11 06:33:33 2012] Using EEF radius (= 7.39 ")to estimate initial spatial extent for simple fitting [Wed Apr 11 06:33:33 2012] Initial guess for spatial extent in simple fitting = 7.39" [Wed Apr 11 06:33:33 2012] source mask rpix=1.7, npix_max = 19, mask sum = 16, frac = 0.827 [Wed Apr 11 06:33:33 2012] Giving source the simple spatial ID 36 for pass 0, mean size = 7.39" [Wed Apr 11 06:33:33 2012] fullrun_mos1_xmm0055140101_pi300-10000_cl_pass0_src36.ximg exists [Wed Apr 11 06:33:33 2012] Warning: model total counts is not > 0 in csv/fullrun_mos1_xmm0055140101_pi300-10000_cl_pass0_src36.csv [Wed Apr 11 06:33:33 2012] fullrun_mos1_xmm0055140101_pi300-10000_cl_pass0_src36_1.ximg exists [Wed Apr 11 06:33:33 2012] Warning: model total counts is not > 0 in csv/fullrun_mos1_xmm0055140101_pi300-10000_cl_pass0_src36.csv [Wed Apr 11 06:33:33 2012] It looks like the fit did not converge You should probably delete fullrun_mos1_xmm0055140101_pi300-10000_cl_pass0_src36_1.ximg Either tweak this fit manually starting from fullrun_mos1_xmm0055140101_pi300-10000_cl_pass0_src36.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 06:33:34 2012] fullrun_mos1_xmm0055140101_pi300-10000_cl_pass0_tfrozen_src36.ximg exists [Wed Apr 11 06:33:34 2012] fullrun_mos1_xmm0055140101_pi300-10000_cl_pass0_tfrozen_src36_1.ximg exists [Wed Apr 11 06:33:34 2012] Fit fullrun_mos1_xmm0055140101_pi300-10000_cl_pass0_tfrozen_src36 appears to have run properly [Wed Apr 11 06:33:51 2012] Spatial fit model total counts = 504.762000, observed total counts = 501.000000 [Wed Apr 11 06:33:51 2012] Offset between fit and detection position for source 18 = 9.279029 pixels [Wed Apr 11 06:33:51 2012] 500.320029 total counts/ 500.320000 bgd. counts: snr = 0.000001 Spatial fit parameters: Offset between fit and detection position for source 18 = 9.279029 pixels Position = (284.8, 309.2) = 3 39 47.65 -35 25 32.8 Extent = 14.8 (14.8-29.6)", rotation angle = 0 Source counts = 0.0 +/- 22.4 Background counts = 500.3 Rate = 6e-10 +/- 0.0005 Deleting source due to low Poisson probability