[Fri May  3 16:32:45 2013] Detection parameters:
  Position = (86.8, 259.9) = 22 35 42.80 -37 45 55.6
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 20.6 +/- 5.9
  Background counts = 1.5
  Rate = 0.003 +/- 0.0008

[Fri May  3 16:32:45 2013] Off-axis axis estimate = 15.59'
[Fri May  3 17:54:32 2013] Using EEF radius (= 14.23 ")to estimate initial spatial extent for simple fitting
[Fri May  3 17:54:32 2013] Setting initial spatial extent for simple fitting to maximum allowed for this pass
[Fri May  3 17:54:32 2013] Initial guess for spatial extent in simple fitting = 14.23"
[Fri May  3 17:54:32 2013] source mask rpix=3.3, npix_max = 56, mask sum = 62, frac = 1.090
[Fri May  3 17:54:32 2013] Giving source the simple spatial ID 41 for pass 0, mean size = 14.23"
[Fri May  3 20:08:21 2013] fullrun_mos1_xmm0018741701_pi300-10000_cl_pass0_src41.ximg exists
[Fri May  3 20:08:21 2013] fullrun_mos1_xmm0018741701_pi300-10000_cl_pass0_src41_1.ximg exists
[Fri May  3 20:08:21 2013] Fit fullrun_mos1_xmm0018741701_pi300-10000_cl_pass0_src41 appears to have run properly
[Fri May  3 20:08:22 2013] fullrun_mos1_xmm0018741701_pi300-10000_cl_pass0_tfrozen_src41.ximg exists
[Fri May  3 20:08:22 2013] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_mos1_xmm0018741701_pi300-10000_cl_pass0_tfrozen_src41.csv
[Fri May  3 20:08:22 2013] fullrun_mos1_xmm0018741701_pi300-10000_cl_pass0_tfrozen_src41_1.ximg exists
[Fri May  3 20:08:22 2013] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_mos1_xmm0018741701_pi300-10000_cl_pass0_tfrozen_src41.csv
[Fri May  3 20:08:22 2013] It looks like the fit did not converge
You should probably delete fullrun_mos1_xmm0018741701_pi300-10000_cl_pass0_tfrozen_src41_1.ximg
Either tweak this fit manually starting from fullrun_mos1_xmm0018741701_pi300-10000_cl_pass0_tfrozen_src41.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
[Fri May  3 21:45:39 2013] Spatial fit model total counts = 24.568600, observed total counts = 26.000000
[Fri May  3 21:45:39 2013] Offset between fit and detection position for source 37 = 0.269340 pixels
[Fri May  3 21:45:39 2013] 26.558000 total counts/ 12.792200 bgd. counts: snr = 3.848831
Spatial fit parameters:
  Offset between fit and detection position for source 37 = 0.269340 pixels
  Position = (87.1, 260.0) = 22 35 42.70 -37 45 55.8
  Extent = 8.1 (5.2-11.8)", rotation angle = 86 (52-109) degrees
  Source counts = 13.8 +/- 5.2
  Background counts = 12.8
  Rate = 0.002 +/- 0.0007
[Fri May  3 21:45:39 2013] Vigneting correction estimate = 1.000000
[Fri May  3 21:45:39 2013] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Fri May  3 21:45:39 2013] Assessing source extent using major axis lower bound
[Fri May  3 21:45:39 2013] Source does appear to be extended
[Fri May  3 21:45:39 2013] Computing asymmetry using errors on major and minor axis (from spatial fitting), asym = 1.00
[Fri May  3 21:45:39 2013] Deleting source due to low Poisson probability 0.7