[Sat Aug 18 08:37:01 2012] Detection parameters:
  Position = (258.4, 261.0) = 0 25 33.10 64 6 5.2
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 13113.2 +/- 165.8
  Background counts = 394.7
  Rate = 0.6 +/- 0.008

[Sat Aug 18 08:37:04 2012] Off-axis axis estimate = 3.98'
[Sat Aug 18 08:51:49 2012] Using EEF radius (= 8.42 ")to estimate initial spatial extent for simple fitting
[Sat Aug 18 08:51:49 2012] Initial guess for spatial extent in simple fitting = 8.42"
[Sat Aug 18 08:51:49 2012] source mask rpix=1.9, npix_max = 23, mask sum = 20, frac = 0.843
[Sat Aug 18 08:51:49 2012] Giving source the simple spatial ID 39 for pass 0, mean size = 8.42"
[Sun Aug 19 21:47:03 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_src39.ximg exists
[Sun Aug 19 21:47:03 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_src39.csv
[Sun Aug 19 21:47:03 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_src39_1.ximg exists
[Sun Aug 19 21:47:03 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_src39.csv
[Sun Aug 19 21:47:03 2012] It looks like the fit did not converge
You should probably delete fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_src39_1.ximg
Either tweak this fit manually starting from fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_src39.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 19 21:47:05 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src39.ximg exists
[Sun Aug 19 21:47:05 2012] fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src39_1.ximg exists
[Sun Aug 19 21:47:05 2012] Fit fullrun_pn_xmm0412380101_pi300-10000_cl_pass0_tfrozen_src39 appears to have run properly
[Sun Aug 26 22:07:10 2012] Warning, spatial fit 39 centroid is now closest to src. 36
[Sun Aug 26 22:07:10 2012] Spatial fit model total counts = 52361.200000, observed total counts = 53684.000000
[Sun Aug 26 22:07:10 2012] Offset between fit and detection position for source 39 = 7.032553 pixels
[Sun Aug 26 22:07:10 2012] Warning, changing simple spatial fit ID from 39 to 46
[Sun Aug 26 22:07:10 2012] 48745.300000 total counts/ 15671.800000 bgd. counts: snr = 264.192641
Spatial fit parameters:
  Offset between fit and detection position for source 39 = 7.032553 pixels
  Position = (262.0, 255.0) = 0 25 30.66 64 5 38.1
  Extent = 15.8" x 15.8", rotation angle = 0
  Source counts = 33073.5 +/- 220.8
  Background counts = 15671.8
  Rate = 2 +/- 0.01
[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
[Sun Aug 26 22:07:10 2012] Source does appear to be extended
[Sun Aug 26 22:07:10 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Sun Aug 26 22:07:10 2012] Source is confused with source 36
[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 = 15.79"
[Sun Aug 26 22:07:57 2012] source mask rpix=3.6, npix_max = 68, mask sum = 64, frac = 0.938
[Sun Aug 26 22:07:57 2012] Giving source the simple spatial ID 39 for pass 1, mean size = 15.79"