[Sun Apr 29 13:47:59 2012] Detection parameters:
  Position = (293.7, 300.2) = 0 57 34.64 -26 17 15.8
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 159.0 +/- 24.1
  Background counts = 164.9
  Rate = 0.004 +/- 0.0005

[Sun Apr 29 13:48:00 2012] Off-axis axis estimate = 0.36'
[Sun Apr 29 13:51:20 2012] Using EEF radius (= 6.61 ")to estimate initial spatial extent for simple fitting
[Sun Apr 29 13:51:20 2012] Initial guess for spatial extent in simple fitting = 6.61"
[Sun Apr 29 13:51:20 2012] source mask rpix=1.5, npix_max = 16, mask sum = 16, frac = 0.981
[Sun Apr 29 13:51:20 2012] Giving source the simple spatial ID 62 for pass 0, mean size = 6.61"
[Sun Apr 29 16:28:14 2012] fullrun_pn_xmm0504160101_pi300-10000_cl_pass0_src62.ximg exists
[Sun Apr 29 16:28:14 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0504160101_pi300-10000_cl_pass0_src62.csv
[Sun Apr 29 16:28:14 2012] fullrun_pn_xmm0504160101_pi300-10000_cl_pass0_src62_1.ximg exists
[Sun Apr 29 16:28:14 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0504160101_pi300-10000_cl_pass0_src62.csv
[Sun Apr 29 16:28:14 2012] It looks like the fit did not converge
You should probably delete fullrun_pn_xmm0504160101_pi300-10000_cl_pass0_src62_1.ximg
Either tweak this fit manually starting from fullrun_pn_xmm0504160101_pi300-10000_cl_pass0_src62.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 Apr 29 16:28:15 2012] fullrun_pn_xmm0504160101_pi300-10000_cl_pass0_tfrozen_src62.ximg exists
[Sun Apr 29 16:28:15 2012] fullrun_pn_xmm0504160101_pi300-10000_cl_pass0_tfrozen_src62_1.ximg exists
[Sun Apr 29 16:28:15 2012] Fit fullrun_pn_xmm0504160101_pi300-10000_cl_pass0_tfrozen_src62 appears to have run properly
[Sun Apr 29 20:41:06 2012] Source 62 is offset by -5.118822 and -2.985517 pixels which is larger than
2 X fitted extent = 0.768083 x 0.768083, not incorporating fit results
[Sun Apr 29 20:41:06 2012] Warning, spatial fit 62 centroid is now closest to src. 44
[Sun Apr 29 20:41:06 2012] Spatial fit model total counts = 1448.290000, observed total counts = 1313.000000
[Sun Apr 29 20:41:06 2012] Poor agreement between spatial fit and data for source 62
It may help to tweak spatial fit manually
Not incorporating fit results
[Sun Apr 29 20:41:06 2012] Vigneting correction estimate = 1.000000
[Sun Apr 29 20:41:06 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Sun Apr 29 20:41:06 2012] Assessing source extent using major
[Sun Apr 29 20:41:06 2012] Source does appear to be extended
[Sun Apr 29 20:41:06 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Sun Apr 29 20:41:41 2012] Using EEF radius (= 6.61 ")to estimate initial spatial extent for simple fitting
[Sun Apr 29 20:41:41 2012] Initial guess for spatial extent in simple fitting = 6.61"
[Sun Apr 29 20:41:41 2012] source mask rpix=1.5, npix_max = 16, mask sum = 16, frac = 0.981
[Sun Apr 29 20:41:41 2012] Giving source the simple spatial ID 61 for pass 1, mean size = 6.61"
[Sun Apr 29 23:18:30 2012] fullrun_pn_xmm0504160101_pi300-10000_cl_pass1_src61.ximg exists
[Sun Apr 29 23:18:30 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0504160101_pi300-10000_cl_pass1_src61.csv
[Sun Apr 29 23:18:30 2012] fullrun_pn_xmm0504160101_pi300-10000_cl_pass1_src61_1.ximg exists
[Sun Apr 29 23:18:30 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0504160101_pi300-10000_cl_pass1_src61.csv
[Sun Apr 29 23:18:30 2012] It looks like the fit did not converge
You should probably delete fullrun_pn_xmm0504160101_pi300-10000_cl_pass1_src61_1.ximg
Either tweak this fit manually starting from fullrun_pn_xmm0504160101_pi300-10000_cl_pass1_src61.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 Apr 29 23:18:31 2012] fullrun_pn_xmm0504160101_pi300-10000_cl_pass1_tfrozen_src61.ximg exists
[Sun Apr 29 23:18:31 2012] fullrun_pn_xmm0504160101_pi300-10000_cl_pass1_tfrozen_src61_1.ximg exists
[Sun Apr 29 23:18:31 2012] Fit fullrun_pn_xmm0504160101_pi300-10000_cl_pass1_tfrozen_src61 appears to have run properly
[Mon Apr 30 02:29:27 2012] Spatial fit model total counts = 1994.490000, observed total counts = 1864.000000
[Mon Apr 30 02:29:27 2012] Offset between fit and detection position for source 62 = 1.281344 pixels
[Mon Apr 30 02:29:27 2012] 2016.964400 total counts/ 1955.130000 bgd. counts: snr = 1.398435
Spatial fit parameters:
  Offset between fit and detection position for source 62 = 1.281344 pixels
  Position = (292.7, 300.9) = 0 57 34.99 -26 17 12.9
  Extent = 8.1 (1.7-13.2)", rotation angle = 0
  Source counts = 61.8 +/- 44.9
  Background counts = 1955.1
  Rate = 0.001 +/- 0.0009
  Deleting source due to low Poisson probability