[Thu Jun 14 14:06:35 2012] Detection parameters:
  Position = (170.7, 447.4) = 17 33 58.75 43 56 42.0
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 85.8 +/- 14.1
  Background counts = 22.4
  Rate = 0.06 +/- 0.009

[Thu Jun 14 14:06:37 2012] Off-axis axis estimate = 14.23'
[Thu Jun 14 14:08:44 2012] Using EEF radius (= 13.54 ")to estimate initial spatial extent for simple fitting
[Thu Jun 14 14:08:44 2012] Setting initial spatial extent for simple fitting to maximum allowed for this pass
[Thu Jun 14 14:08:44 2012] Initial guess for spatial extent in simple fitting = 13.54"
[Thu Jun 14 14:08:44 2012] source mask rpix=3.1, npix_max = 52, mask sum = 42, frac = 0.804
[Thu Jun 14 14:08:44 2012] Giving source the simple spatial ID 28 for pass 0, mean size = 13.54"
[Thu Jun 14 19:46:35 2012] fullrun_pn_xmm0021140501_pi300-10000_cl_pass0_src28.ximg exists
[Thu Jun 14 19:46:35 2012] fullrun_pn_xmm0021140501_pi300-10000_cl_pass0_src28_1.ximg exists
[Thu Jun 14 19:46:35 2012] Fit fullrun_pn_xmm0021140501_pi300-10000_cl_pass0_src28 appears to have run properly
[Thu Jun 14 19:46:38 2012] fullrun_pn_xmm0021140501_pi300-10000_cl_pass0_tfrozen_src28.ximg exists
[Thu Jun 14 19:46:38 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0021140501_pi300-10000_cl_pass0_tfrozen_src28.csv
[Thu Jun 14 19:46:38 2012] fullrun_pn_xmm0021140501_pi300-10000_cl_pass0_tfrozen_src28_1.ximg exists
[Thu Jun 14 19:46:38 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0021140501_pi300-10000_cl_pass0_tfrozen_src28.csv
[Thu Jun 14 19:46:38 2012] It looks like the fit did not converge
You should probably delete fullrun_pn_xmm0021140501_pi300-10000_cl_pass0_tfrozen_src28_1.ximg
Either tweak this fit manually starting from fullrun_pn_xmm0021140501_pi300-10000_cl_pass0_tfrozen_src28.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
[Thu Jun 14 20:07:43 2012] Spatial fit model total counts = 611.669000, observed total counts = 575.000000
[Thu Jun 14 20:07:43 2012] Offset between fit and detection position for source 28 = 2.066118 pixels
[Thu Jun 14 20:07:43 2012] Warning, changing simple spatial fit ID from 28 to 4
[Thu Jun 14 20:07:43 2012] 502.589300 total counts/ 466.333000 bgd. counts: snr = 1.678941
Spatial fit parameters:
  Offset between fit and detection position for source 28 = 2.066118 pixels
  Position = (171.9, 449.0) = 17 33 58.24 43 56 50.4
  Extent = 7.4 (5.2-10.7)", rotation angle = 0
  Source counts = 36.3 +/- 22.4
  Background counts = 466.3
  Rate = 0.08 +/- 0.05
  Deleting source due to low Poisson probability