[Mon May 13 21:10:14 2013] Detection parameters:
  Position = (1182.7, 857.6) = 10 5 19.05 -7 38 27.8
  Extent = 0.8" x 0.5", rotation angle = 138 degrees
  Source counts = 68.1 +/- 8.6
  Background counts = 5.9
  Rate = 0.0004 +/- 5e-05

[Mon May 13 21:10:14 2013] Off-axis axis estimate = 4.64'
[Mon May 13 21:43:38 2013] Using EEF radius (= 1.04 ")to estimate initial spatial extent for simple fitting
[Mon May 13 21:43:38 2013] Initial guess for spatial extent in simple fitting = 1.04"
[Mon May 13 21:43:38 2013] source mask rpix=2.1, npix_max = 27, mask sum = 25, frac = 0.912
[Mon May 13 21:43:38 2013] Giving source the simple spatial ID 9 for pass 0, mean size = 1.04"
[Mon May 13 22:17:39 2013] fullrun_ccd6_acisf13821_pi14-548_cl_pass0_src9.ximg exists
[Mon May 13 22:17:39 2013] fullrun_ccd6_acisf13821_pi14-548_cl_pass0_src9_1.ximg exists
[Mon May 13 22:17:39 2013] Fit fullrun_ccd6_acisf13821_pi14-548_cl_pass0_src9 appears to have run properly
[Mon May 13 22:17:40 2013] fullrun_ccd6_acisf13821_pi14-548_cl_pass0_tfrozen_src9.ximg exists
[Mon May 13 22:17:40 2013] fullrun_ccd6_acisf13821_pi14-548_cl_pass0_tfrozen_src9_1.ximg exists
[Mon May 13 22:17:40 2013] Fit fullrun_ccd6_acisf13821_pi14-548_cl_pass0_tfrozen_src9 appears to have run properly
[Tue May 14 00:40:10 2013] Warning: source 9 in spatial fitting list does not appear to have a counterpart in memory, closest src. was src. 10 at 12.506705 pixels away
[Tue May 14 00:40:10 2013] Vigneting correction estimate = 1.000000
[Tue May 14 00:40:10 2013] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Tue May 14 00:40:10 2013] Assessing source extent using major
[Tue May 14 00:40:10 2013] Source does appear to be extended
[Tue May 14 00:40:10 2013] Computing asymmetry using major and minor axis, asym = 1.67
[Tue May 14 00:40:10 2013] Source is asymmetric
[Tue May 14 01:05:00 2013] Using EEF radius (= 1.04 ")to estimate initial spatial extent for simple fitting
[Tue May 14 01:05:00 2013] Initial guess for spatial extent in simple fitting = 1.04"
[Tue May 14 01:05:00 2013] source mask rpix=2.1, npix_max = 27, mask sum = 25, frac = 0.912
[Tue May 14 01:05:00 2013] Giving source the simple spatial ID 9 for pass 1, mean size = 1.04"
[Tue May 14 01:45:50 2013] fullrun_ccd6_acisf13821_pi14-548_cl_pass1_src9.ximg exists
[Tue May 14 01:45:50 2013] fullrun_ccd6_acisf13821_pi14-548_cl_pass1_src9_1.ximg exists
[Tue May 14 01:45:50 2013] Fit fullrun_ccd6_acisf13821_pi14-548_cl_pass1_src9 appears to have run properly
[Tue May 14 01:45:51 2013] fullrun_ccd6_acisf13821_pi14-548_cl_pass1_tfrozen_src9.ximg exists
[Tue May 14 01:45:51 2013] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_ccd6_acisf13821_pi14-548_cl_pass1_tfrozen_src9.csv
[Tue May 14 01:45:51 2013] fullrun_ccd6_acisf13821_pi14-548_cl_pass1_tfrozen_src9_1.ximg exists
[Tue May 14 01:45:51 2013] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_ccd6_acisf13821_pi14-548_cl_pass1_tfrozen_src9.csv
[Tue May 14 01:45:51 2013] It looks like the fit did not converge
You should probably delete fullrun_ccd6_acisf13821_pi14-548_cl_pass1_tfrozen_src9_1.ximg
Either tweak this fit manually starting from fullrun_ccd6_acisf13821_pi14-548_cl_pass1_tfrozen_src9.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