[Sun Jun 10 10:15:51 2012] Detection parameters:
  Position = (316.9, 310.9) = 0 43 24.29 -20 37 30.2
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 781.8 +/- 33.7
  Background counts = 13.5
  Rate = 0.06 +/- 0.002

[Sun Jun 10 10:15:53 2012] Off-axis axis estimate = 1.61'
[Sun Jun 10 13:49:35 2012] Using EEF radius (= 7.24 ")to estimate initial spatial extent for simple fitting
[Sun Jun 10 13:49:35 2012] Initial guess for spatial extent in simple fitting = 7.24"
[Sun Jun 10 13:49:35 2012] source mask rpix=1.7, npix_max = 18, mask sum = 15, frac = 0.801
[Sun Jun 10 13:49:35 2012] Giving source the simple spatial ID 1 for pass 0, mean size = 7.24"
[Sun Jun 10 15:45:31 2012] fullrun_mos2_xmm0042340201_pi300-10000_cl_pass0_src1.ximg exists
[Sun Jun 10 15:45:31 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_mos2_xmm0042340201_pi300-10000_cl_pass0_src1.csv
[Sun Jun 10 15:45:31 2012] fullrun_mos2_xmm0042340201_pi300-10000_cl_pass0_src1_1.ximg exists
[Sun Jun 10 15:45:31 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_mos2_xmm0042340201_pi300-10000_cl_pass0_src1.csv
[Sun Jun 10 15:45:31 2012] It looks like the fit did not converge
You should probably delete fullrun_mos2_xmm0042340201_pi300-10000_cl_pass0_src1_1.ximg
Either tweak this fit manually starting from fullrun_mos2_xmm0042340201_pi300-10000_cl_pass0_src1.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
[Sun Jun 10 15:45:32 2012] fullrun_mos2_xmm0042340201_pi300-10000_cl_pass0_tfrozen_src1.ximg exists
[Sun Jun 10 15:45:32 2012] fullrun_mos2_xmm0042340201_pi300-10000_cl_pass0_tfrozen_src1_1.ximg exists
[Sun Jun 10 15:45:32 2012] Fit fullrun_mos2_xmm0042340201_pi300-10000_cl_pass0_tfrozen_src1 appears to have run properly
[Sun Jun 10 15:46:10 2012] Spatial fit model total counts = 2626.280000, observed total counts = 2523.000000
[Sun Jun 10 15:46:10 2012] Offset between fit and detection position for source 1 = 1.434217 pixels
[Sun Jun 10 15:46:10 2012] 2626.741000 total counts/ 1908.930000 bgd. counts: snr = 16.429150
Spatial fit parameters:
  Offset between fit and detection position for source 1 = 1.434217 pixels
  Position = (318.0, 310.0) = 0 43 23.95 -20 37 34.5
  Extent = 14.5 (14.5-28.9)", rotation angle = 0
  Source counts = 717.8 +/- 51.3
  Background counts = 1908.9
  Rate = 0.05 +/- 0.004
[Sun Jun 10 15:46:10 2012] Spatial fit model total counts = 1433.730000, observed total counts = 1146.000000
[Sun Jun 10 15:46:10 2012] Poor agreement between spatial fit and data for source 1
It may help to tweak spatial fit manually
Not incorporating fit results
[Sun Jun 10 15:46:10 2012] Vigneting correction estimate = 1.000000
[Sun Jun 10 15:46:10 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Sun Jun 10 15:46:10 2012] Assessing source extent using major axis lower bound
[Sun Jun 10 15:46:10 2012] Source does appear to be extended
[Sun Jun 10 15:46:10 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Sun Jun 10 15:46:10 2012] Source is confused with source 2
[Sun Jun 10 15:46:10 2012] Source is confused with source 18
[Sun Jun 10 18:42:10 2012] Using previous fit value to estimate initial spatial extent for simple fitting
[Sun Jun 10 18:42:10 2012] Setting initial spatial extent for simple fitting to maximum allowed for this pass
[Sun Jun 10 18:42:10 2012] Initial guess for spatial extent in simple fitting = 14.47"
[Sun Jun 10 18:42:10 2012] source mask rpix=3.3, npix_max = 58, mask sum = 56, frac = 0.956
[Sun Jun 10 18:42:10 2012] Giving source the simple spatial ID 1 for pass 1, mean size = 14.47"