[Fri Aug 14 07:53:55 2015] Detection parameters:
  Position = (643.6, 880.1) = 12 10 48.85 51 16 18.9
  Extent = 0.6" x 0.5", rotation angle = 11 degrees
  Source counts = 57.1 +/- 7.6
  Background counts = 0.9
  Rate = 0.004 +/- 0.0005

[Fri Aug 14 07:53:56 2015] Off-axis axis estimate = 3.59'
[Fri Aug 14 07:59:53 2015] Using EEF radius (= 0.72 ")to estimate initial spatial extent for simple fitting
[Fri Aug 14 07:59:53 2015] Setting initial spatial extent for simple fitting to maximum allowed for this pass
[Fri Aug 14 07:59:53 2015] Initial guess for spatial extent in simple fitting = 0.72"
[Fri Aug 14 07:59:53 2015] source mask rpix=1.5, npix_max = 15, mask sum = 16, frac = 1.045
[Fri Aug 14 07:59:53 2015] Giving source the simple spatial ID 2 for pass 0, mean size = 0.72"
[Fri Aug 14 08:10:13 2015] fullrun_ccd7_acisf13936_pi14-548_cl_pass0_src2.ximg exists
[Fri Aug 14 08:10:13 2015] fullrun_ccd7_acisf13936_pi14-548_cl_pass0_src2_1.ximg exists
[Fri Aug 14 08:10:13 2015] Fit fullrun_ccd7_acisf13936_pi14-548_cl_pass0_src2 appears to have run properly
[Fri Aug 14 08:10:13 2015] fullrun_ccd7_acisf13936_pi14-548_cl_pass0_tfrozen_src2.ximg exists
[Fri Aug 14 08:10:13 2015] fullrun_ccd7_acisf13936_pi14-548_cl_pass0_tfrozen_src2_1.ximg exists
[Fri Aug 14 08:10:13 2015] Fit fullrun_ccd7_acisf13936_pi14-548_cl_pass0_tfrozen_src2 appears to have run properly
[Fri Aug 14 08:10:16 2015] Spatial fit model total counts = 58.207500, observed total counts = 62.000000
[Fri Aug 14 08:10:16 2015] Offset between fit and detection position for source 1 = 0.748216 pixels
[Fri Aug 14 08:10:16 2015] 59.663830 total counts/ 1.132330 bgd. counts: snr = 55.005124
Spatial fit parameters:
  Offset between fit and detection position for source 1 = 0.748216 pixels
  Position = (644.2, 880.6) = 12 10 48.85 51 16 18.9
  Extent = 0.8 (0.7-1.0)" x 0.4 (0.4-0.5)", rotation angle = 10 (0-21) degrees
  Source counts = 58.5 +/- 7.7
  Background counts = 1.1
  Rate = 0.004 +/- 0.0005
[Fri Aug 14 08:10:16 2015] Vigneting correction estimate = 1.000000
[Fri Aug 14 08:10:16 2015] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Fri Aug 14 08:10:16 2015] Assessing source extent using major axis lower bound
[Fri Aug 14 08:10:16 2015] Source does appear to be extended
[Fri Aug 14 08:10:16 2015] Computing asymmetry using errors on major and minor axis (from spatial fitting), asym = 1.53
[Fri Aug 14 08:10:16 2015] Source is asymmetric
[Fri Aug 14 08:15:05 2015] Using previous fit value to estimate initial spatial extent for simple fitting
[Fri Aug 14 08:15:05 2015] Setting initial spatial extent for simple fitting to maximum allowed for this pass
[Fri Aug 14 08:15:05 2015] Initial guess for spatial extent in simple fitting = 0.63"
[Fri Aug 14 08:15:05 2015] source mask rpix=1.3, npix_max = 12, mask sum = 12, frac = 0.942
[Fri Aug 14 08:15:05 2015] Giving source the simple spatial ID 2 for pass 1, mean size = 0.63"
[Fri Aug 14 08:23:21 2015] fullrun_ccd7_acisf13936_pi14-548_cl_pass1_src2.ximg exists
[Fri Aug 14 08:23:21 2015] fullrun_ccd7_acisf13936_pi14-548_cl_pass1_src2_1.ximg exists
[Fri Aug 14 08:23:21 2015] Fit fullrun_ccd7_acisf13936_pi14-548_cl_pass1_src2 appears to have run properly
[Fri Aug 14 08:23:21 2015] fullrun_ccd7_acisf13936_pi14-548_cl_pass1_tfrozen_src2.ximg exists
[Fri Aug 14 08:23:21 2015] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_ccd7_acisf13936_pi14-548_cl_pass1_tfrozen_src2.csv
[Fri Aug 14 08:23:21 2015] fullrun_ccd7_acisf13936_pi14-548_cl_pass1_tfrozen_src2_1.ximg exists
[Fri Aug 14 08:23:21 2015] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_ccd7_acisf13936_pi14-548_cl_pass1_tfrozen_src2.csv
[Fri Aug 14 08:23:21 2015] It looks like the fit did not converge
You should probably delete fullrun_ccd7_acisf13936_pi14-548_cl_pass1_tfrozen_src2_1.ximg
Either tweak this fit manually starting from fullrun_ccd7_acisf13936_pi14-548_cl_pass1_tfrozen_src2.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 Aug 14 08:23:24 2015] Spatial fit model total counts = 56.423700, observed total counts = 62.000000
[Fri Aug 14 08:23:24 2015] Offset between fit and detection position for source 1 = 0.020879 pixels
[Fri Aug 14 08:23:24 2015] 58.028408 total counts/ 0.370608 bgd. counts: snr = 94.711055
Spatial fit parameters:
  Offset between fit and detection position for source 1 = 0.020879 pixels
  Position = (644.2, 880.6) = 12 10 48.85 51 16 18.9
  Extent = 0.8 (0.7-0.9)" x 0.5 (0.4-0.5)", rotation angle = 9 (6-24) degrees
  Source counts = 57.7 +/- 7.6
  Background counts = 0.4
  Rate = 0.004 +/- 0.0005
[Fri Aug 14 08:23:24 2015] Vigneting correction estimate = 1.000000
[Fri Aug 14 08:23:24 2015] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Fri Aug 14 08:23:24 2015] Assessing source extent using major axis lower bound
[Fri Aug 14 08:23:24 2015] Source does appear to be extended
[Fri Aug 14 08:23:24 2015] Computing asymmetry using errors on major and minor axis (from spatial fitting), asym = 1.41