[Fri Apr  6 14:06:57 2012] Detection parameters:
  Position = (280.9, 283.1) = 1 7 24.80 32 24 44.8
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 4880.4 +/- 87.4
  Background counts = 231.3
  Rate = 0.1 +/- 0.002

[Fri Apr  6 14:06:57 2012] Off-axis axis estimate = 1.69'
[Fri Apr  6 14:10:03 2012] Using EEF radius (= 7.27 ")to estimate initial spatial extent for simple fitting
[Fri Apr  6 14:10:03 2012] Initial guess for spatial extent in simple fitting = 7.27"
[Fri Apr  6 14:10:03 2012] source mask rpix=1.7, npix_max = 18, mask sum = 16, frac = 0.848
[Fri Apr  6 14:10:03 2012] Giving source the simple spatial ID 2 for pass 0, mean size = 7.27"
[Fri Apr  6 14:42:05 2012] fullrun_pn_xmm0551720101_pi300-10000_cl_pass0_src2.ximg exists
[Fri Apr  6 14:42:05 2012] fullrun_pn_xmm0551720101_pi300-10000_cl_pass0_src2_1.ximg exists
[Fri Apr  6 14:42:05 2012] Fit fullrun_pn_xmm0551720101_pi300-10000_cl_pass0_src2 appears to have run properly
[Fri Apr  6 14:42:05 2012] fullrun_pn_xmm0551720101_pi300-10000_cl_pass0_tfrozen_src2.ximg exists
[Fri Apr  6 14:42:05 2012] fullrun_pn_xmm0551720101_pi300-10000_cl_pass0_tfrozen_src2_1.ximg exists
[Fri Apr  6 14:42:05 2012] Fit fullrun_pn_xmm0551720101_pi300-10000_cl_pass0_tfrozen_src2 appears to have run properly
[Fri Apr  6 15:32:36 2012] Spatial fit model total counts = 7583.650000, observed total counts = 7493.000000
[Fri Apr  6 15:32:36 2012] Offset between fit and detection position for source 2 = 0.123745 pixels
[Fri Apr  6 15:32:36 2012] 7567.690000 total counts/ 4079.750000 bgd. counts: snr = 54.607492
Spatial fit parameters:
  Offset between fit and detection position for source 2 = 0.123745 pixels
  Position = (280.9, 283.2) = 1 7 24.81 32 24 44.9
  Extent = 6.6 (6.4-6.8)", rotation angle = 0
  Source counts = 3487.9 +/- 87.0
  Background counts = 4079.8
  Rate = 0.08 +/- 0.002
[Fri Apr  6 15:32:36 2012] Spatial fit model total counts = 6562.650000, observed total counts = 5917.000000
[Fri Apr  6 15:32:36 2012] Poor agreement between spatial fit and data for source 2
It may help to tweak spatial fit manually
Not incorporating fit results
[Fri Apr  6 15:32:36 2012] Vigneting correction estimate = 1.000000
[Fri Apr  6 15:32:36 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Fri Apr  6 15:32:36 2012] Assessing source extent using major axis lower bound
[Fri Apr  6 15:32:36 2012] Source does appear to be extended
[Fri Apr  6 15:32:36 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Fri Apr  6 15:32:36 2012] Source is confused with source 21
[Fri Apr  6 15:32:50 2012] Using previous fit value to estimate initial spatial extent for simple fitting
[Fri Apr  6 15:32:50 2012] Initial guess for spatial extent in simple fitting = 6.59"
[Fri Apr  6 15:32:50 2012] source mask rpix=1.5, npix_max = 16, mask sum = 16, frac = 0.986
[Fri Apr  6 15:32:50 2012] Giving source the simple spatial ID 2 for pass 1, mean size = 6.59"
[Fri Apr  6 16:07:28 2012] fullrun_pn_xmm0551720101_pi300-10000_cl_pass1_src2.ximg exists
[Fri Apr  6 16:07:28 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0551720101_pi300-10000_cl_pass1_src2.csv
[Fri Apr  6 16:07:28 2012] fullrun_pn_xmm0551720101_pi300-10000_cl_pass1_src2_1.ximg exists
[Fri Apr  6 16:07:28 2012] Warning: poor agreement between model and actual number of counts may be indicative of a poor fit in csv/fullrun_pn_xmm0551720101_pi300-10000_cl_pass1_src2.csv
[Fri Apr  6 16:07:28 2012] It looks like the fit did not converge
You should probably delete fullrun_pn_xmm0551720101_pi300-10000_cl_pass1_src2_1.ximg
Either tweak this fit manually starting from fullrun_pn_xmm0551720101_pi300-10000_cl_pass1_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 Apr  6 16:07:28 2012] fullrun_pn_xmm0551720101_pi300-10000_cl_pass1_tfrozen_src2.ximg exists
[Fri Apr  6 16:07:28 2012] fullrun_pn_xmm0551720101_pi300-10000_cl_pass1_tfrozen_src2_1.ximg exists
[Fri Apr  6 16:07:28 2012] Fit fullrun_pn_xmm0551720101_pi300-10000_cl_pass1_tfrozen_src2 appears to have run properly
[Fri Apr  6 16:50:59 2012] Spatial fit model total counts = 7622.490000, observed total counts = 7533.000000
[Fri Apr  6 16:50:59 2012] Offset between fit and detection position for source 2 = 0.015814 pixels
[Fri Apr  6 16:50:59 2012] 7588.160000 total counts/ 4080.380000 bgd. counts: snr = 54.913869
Spatial fit parameters:
  Offset between fit and detection position for source 2 = 0.015814 pixels
  Position = (280.9, 283.2) = 1 7 24.80 32 24 44.9
  Extent = 6.6 (6.4-6.8)", rotation angle = 0
  Source counts = 3507.8 +/- 87.1
  Background counts = 4080.4
  Rate = 0.08 +/- 0.002
[Fri Apr  6 16:50:59 2012] Vigneting correction estimate = 1.000000
[Fri Apr  6 16:50:59 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Fri Apr  6 16:50:59 2012] Assessing source extent using major axis lower bound
[Fri Apr  6 16:50:59 2012] Source does appear to be extended
[Fri Apr  6 16:50:59 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Fri Apr  6 16:51:12 2012] Counts = 3507.780000, rescaling region sizes by 2.000000
[Fri Apr  6 16:51:12 2012] XMMSAS src. selection expression = ellipse(24390.489080, 24593.912000, 790.741223, 790.741223, 0.000000, X, Y)
[Fri Apr  6 16:51:12 2012] Writing source region out to fullrun_pn_xmm0551720101_pi300-10000_pass1_cl_src2_src.reg
[Fri Apr  6 16:51:12 2012] Extracting stamp from image fullrun_pn_xmm0551720101_pi300-10000_cl_sm2.00.img.gz, (235, 238) - (326, 329)
[Fri Apr  6 16:51:12 2012] XMMSAS bgd. selection expression = annulus(24390.489080, 24593.912000, 2635.804076, 5271.608152, X, Y) && !ellipse(26277.688600, 29659.860000, 572.366416, 572.366416, 0.000000, X, Y) && !ellipse(25484.890198, 28776.022034, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(19993.859497, 27819.919434, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(20004.994690, 26856.895172, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(24661.047882, 24026.987061, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(19616.169632, 22842.307678, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(24517.017853, 21948.858459, 870.000000, 870.000000, 0.000000, X, Y)
[Fri Apr  6 16:51:12 2012] Writing fullrun_pn_xmm0551720101_pi300-10000_pass1_cl_src2.gif
[Fri Apr  6 16:52:32 2012] Mean detx,y = (9.83, -243.99) 
[Fri Apr  6 16:52:34 2012] Setting backscal keywords in source and bgd. spectrum
[Fri Apr  6 16:53:18 2012] Binned source spectrum to 10 counts/bin
[Fri Apr  6 16:53:18 2012] Setting source spectrum file to fullrun_pn_xmm0551720101_pi300-10000_pass1_cl_src2_src_b10.pi.gz
[Fri Apr  6 16:53:18 2012] Setting bgd. spectrum file to fullrun_pn_xmm0551720101_pi300-10000_pass1_cl_src2_bgd.pi.gz
[Fri Apr  6 18:32:48 2012] Updating aperture counts using extracted products
[Fri Apr  6 18:32:48 2012] Error reading totcts from fullrun_pn_xmm0551720101_pi300-10000_pass1_cl_src2_src_b10.pi.gz
[Fri Apr  6 18:32:49 2012] Calculating source flux in energy range 0.30-8.00
[Fri Apr  6 18:32:49 2012] Using photon index=1.80, rate=0.0781, arf fullrun_pn_xmm0551720101_pi300-10000_pass1_cl_src2.arf
[Fri Apr  6 18:32:49 2012] Assuming count rate is from the 0.30-10.00 bandpass
[Fri Apr  6 18:32:49 2012] Updating source flux to 1.9e-13
[Fri Apr  6 18:34:19 2012] Flag p found in src. 2 procflags, skipping spectral fitting
[Fri Apr  6 18:34:19 2012] Flag c found in src. 2 procflags, skipping spectral fitting