[Sat Aug 18 08:36:59 2012] Detection parameters:
  Position = (327.3, 298.0) = 0 24 47.31 64 8 45.2
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 34651.5 +/- 233.4
  Background counts = 738.8
  Rate = 2 +/- 0.01

[Sat Aug 18 08:37:04 2012] Off-axis axis estimate = 2.09'
[Sat Aug 18 08:51:49 2012] Using EEF radius (= 7.47 ")to estimate initial spatial extent for simple fitting
[Sat Aug 18 08:51:49 2012] Initial guess for spatial extent in simple fitting = 7.47"
[Sat Aug 18 08:51:49 2012] source mask rpix=1.7, npix_max = 19, mask sum = 16, frac = 0.813
[Sat Aug 18 08:51:49 2012] Giving source the simple spatial ID 14 for pass 0, mean size = 7.47"
[Sun Aug 19 21:47:02 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_src14.ximg exists
[Sun Aug 19 21:47:02 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_src14_1.ximg exists
[Sun Aug 19 21:47:02 2012] Fit fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_src14 appears to have run properly
[Sun Aug 19 21:47:04 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src14.ximg exists
[Sun Aug 19 21:47:04 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src14.csv
[Sun Aug 19 21:47:04 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src14_1.ximg exists
[Sun Aug 19 21:47:04 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src14.csv
[Sun Aug 19 21:47:04 2012] It looks like the fit did not converge
You should probably delete fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src14_1.ximg
Either tweak this fit manually starting from fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src14.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 Aug 26 22:07:10 2012] Spatial fit model total counts = 108367.000000, observed total counts = 100752.000000
[Sun Aug 26 22:07:10 2012] Offset between fit and detection position for source 14 = 3.003252 pixels
[Sun Aug 26 22:07:10 2012] 77765.200000 total counts/ 25600.000000 bgd. counts: snr = 326.032500
Spatial fit parameters:
  Offset between fit and detection position for source 14 = 3.003252 pixels
  Position = (328.2, 300.8) = 0 24 46.69 64 8 57.6
  Extent = 14.9 (14.9-29.9)" x 14.9 (14.9-29.9)", rotation angle = 352 (335-0) degrees
  Source counts = 52165.2 +/- 278.9
  Background counts = 25600.0
  Rate = 3 +/- 0.02
[Sun Aug 26 22:07:10 2012] Vigneting correction estimate = 1.000000
[Sun Aug 26 22:07:10 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Sun Aug 26 22:07:10 2012] Assessing source extent using major axis lower bound
[Sun Aug 26 22:07:10 2012] Source does appear to be extended
[Sun Aug 26 22:07:10 2012] Computing asymmetry using errors on major and minor axis (from spatial fitting), asym = 0.50
[Sun Aug 26 22:07:57 2012] Using previous fit value to estimate initial spatial extent for simple fitting
[Sun Aug 26 22:07:57 2012] Initial guess for spatial extent in simple fitting = 14.95"
[Sun Aug 26 22:07:57 2012] source mask rpix=3.4, npix_max = 61, mask sum = 61, frac = 0.984
[Sun Aug 26 22:07:57 2012] Giving source the simple spatial ID 14 for pass 1, mean size = 14.95"