[Sun Jun  3 13:06:33 2012] Detection parameters:
  Position = (338.8, 193.1) = 10 8 14.46 12 12 23.9
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 270.9 +/- 26.0
  Background counts = 108.3
  Rate = 0.006 +/- 0.0005

[Sun Jun  3 13:06:34 2012] Off-axis axis estimate = 8.18'
[Sun Jun  3 13:12:56 2012] Using EEF radius (= 10.52 ")to estimate initial spatial extent for simple fitting
[Sun Jun  3 13:12:56 2012] Initial guess for spatial extent in simple fitting = 10.52"
[Sun Jun  3 13:12:56 2012] source mask rpix=2.4, npix_max = 34, mask sum = 36, frac = 1.057
[Sun Jun  3 13:12:56 2012] Giving source the simple spatial ID 21 for pass 0, mean size = 10.52"
[Sun Jun  3 14:52:34 2012] fullrun_pn_xmm0555870201_pi300-10000_cl_pass0_src21.ximg exists
[Sun Jun  3 14:52:34 2012] Warning: model total counts is not > 0 in csv/fullrun_pn_xmm0555870201_pi300-10000_cl_pass0_src21.csv
[Sun Jun  3 14:52:34 2012] fullrun_pn_xmm0555870201_pi300-10000_cl_pass0_src21_1.ximg exists
[Sun Jun  3 14:52:34 2012] Warning: model total counts is not > 0 in csv/fullrun_pn_xmm0555870201_pi300-10000_cl_pass0_src21.csv
[Sun Jun  3 14:52:34 2012] It looks like the fit did not converge
You should probably delete fullrun_pn_xmm0555870201_pi300-10000_cl_pass0_src21_1.ximg
Either tweak this fit manually starting from fullrun_pn_xmm0555870201_pi300-10000_cl_pass0_src21.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 Jun  3 14:52:35 2012] fullrun_pn_xmm0555870201_pi300-10000_cl_pass0_tfrozen_src21.ximg exists
[Sun Jun  3 14:52:35 2012] fullrun_pn_xmm0555870201_pi300-10000_cl_pass0_tfrozen_src21_1.ximg exists
[Sun Jun  3 14:52:35 2012] Fit fullrun_pn_xmm0555870201_pi300-10000_cl_pass0_tfrozen_src21 appears to have run properly
[Sun Jun  3 16:43:31 2012] Warning, spatial fit 21 centroid is now closest to src. 58
[Sun Jun  3 16:43:31 2012] Spatial fit model total counts = 1728.460000, observed total counts = 1729.000000
[Sun Jun  3 16:43:31 2012] Offset between fit and detection position for source 22 = 0.561950 pixels
[Sun Jun  3 16:43:31 2012] Warning, changing simple spatial fit ID from 21 to 54
[Sun Jun  3 16:43:31 2012] 1632.769000 total counts/ 1048.470000 bgd. counts: snr = 18.045010
Spatial fit parameters:
  Offset between fit and detection position for source 22 = 0.561950 pixels
  Position = (338.5, 193.6) = 10 8 14.54 12 12 26.7
  Extent = 16.3 (11.6-20.7)", rotation angle = 0
  Source counts = 584.3 +/- 40.4
  Background counts = 1048.5
  Rate = 0.007 +/- 0.0005
[Sun Jun  3 16:43:31 2012] Spatial fit model total counts = 1674.200000, observed total counts = 1513.000000
[Sun Jun  3 16:43:31 2012] Poor agreement between spatial fit and data for source 22
It may help to tweak spatial fit manually
Not incorporating fit results
[Sun Jun  3 16:43:31 2012] Vigneting correction estimate = 1.000000
[Sun Jun  3 16:43:31 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Sun Jun  3 16:43:31 2012] Assessing source extent using major axis lower bound
[Sun Jun  3 16:43:31 2012] Source does appear to be extended
[Sun Jun  3 16:43:31 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Sun Jun  3 16:43:31 2012] Source is confused with source 55
[Sun Jun  3 16:43:31 2012] Source is confused with source 58
[Sun Jun  3 16:44:00 2012] Using previous fit value to estimate initial spatial extent for simple fitting
[Sun Jun  3 16:44:00 2012] Setting initial spatial extent for simple fitting to maximum allowed for this pass
[Sun Jun  3 16:44:00 2012] Initial guess for spatial extent in simple fitting = 16.25"
[Sun Jun  3 16:44:00 2012] source mask rpix=3.7, npix_max = 71, mask sum = 81, frac = 1.129
[Sun Jun  3 16:44:00 2012] Giving source the simple spatial ID 21 for pass 1, mean size = 16.25"
[Sun Jun  3 18:30:19 2012] fullrun_pn_xmm0555870201_pi300-10000_cl_pass1_src21.ximg exists
[Sun Jun  3 18:30:19 2012] fullrun_pn_xmm0555870201_pi300-10000_cl_pass1_src21_1.ximg exists
[Sun Jun  3 18:30:19 2012] Fit fullrun_pn_xmm0555870201_pi300-10000_cl_pass1_src21 appears to have run properly
[Sun Jun  3 18:30:20 2012] fullrun_pn_xmm0555870201_pi300-10000_cl_pass1_tfrozen_src21.ximg exists
[Sun Jun  3 18:30:20 2012] fullrun_pn_xmm0555870201_pi300-10000_cl_pass1_tfrozen_src21_1.ximg exists
[Sun Jun  3 18:30:20 2012] Fit fullrun_pn_xmm0555870201_pi300-10000_cl_pass1_tfrozen_src21 appears to have run properly
[Sun Jun  3 20:23:00 2012] Warning, spatial fit 21 centroid is now closest to src. 58
[Sun Jun  3 20:23:01 2012] Spatial fit model total counts = 1728.030000, observed total counts = 1729.000000
[Sun Jun  3 20:23:01 2012] Offset between fit and detection position for source 22 = 0.390226 pixels
[Sun Jun  3 20:23:01 2012] Warning, changing simple spatial fit ID from 21 to 54
[Sun Jun  3 20:23:01 2012] 1495.214000 total counts/ 963.675000 bgd. counts: snr = 17.122605
Spatial fit parameters:
  Offset between fit and detection position for source 22 = 0.390226 pixels
  Position = (338.8, 193.3) = 10 8 14.47 12 12 25.3
  Extent = 17.7 (12.7-20.7)" x 13.5 (9.5-19.6)", rotation angle = 41 (1-84) degrees
  Source counts = 531.5 +/- 38.7
  Background counts = 963.7
  Rate = 0.007 +/- 0.0005
[Sun Jun  3 20:23:01 2012] Vigneting correction estimate = 1.000000
[Sun Jun  3 20:23:01 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Sun Jun  3 20:23:01 2012] Assessing source extent using major axis lower bound
[Sun Jun  3 20:23:01 2012] Source does appear to be extended
[Sun Jun  3 20:23:01 2012] Computing asymmetry using errors on major and minor axis (from spatial fitting), asym = 0.65
[Sun Jun  3 20:23:28 2012] XMMSAS src. selection expression = ellipse(29424.813400, 16766.368000, 1061.148031, 811.416023, 41.159200, X, Y)
[Sun Jun  3 20:23:28 2012] Writing source region out to fullrun_pn_xmm0555870201_pi300-10000_pass1_cl_src22_src.reg
[Sun Jun  3 20:23:28 2012] Extracting stamp from image fullrun_pn_xmm0555870201_pi300-10000_cl_sm2.00.img.gz, (278, 132) - (400, 254)
[Sun Jun  3 20:23:28 2012] XMMSAS bgd. selection expression = annulus(29424.813400, 16766.368000, 1768.580051, 3537.160102, X, Y) && !ellipse(27770.847600, 19143.105200, 467.333613, 467.333613, 0.000000, X, Y) && !ellipse(33157.996552, 17335.774261, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(31115.105499, 20110.978149, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(26917.570000, 20423.302000, 1450.064042, 1450.064042, 0.000000, X, Y) && !ellipse(33619.307892, 17861.497940, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(29263.533203, 17161.689301, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(30244.266000, 16245.146000, 1710.040049, 1710.040049, 0.000000, X, Y)
[Sun Jun  3 20:23:28 2012] Writing fullrun_pn_xmm0555870201_pi300-10000_pass1_cl_src22.gif
[Sun Jun  3 20:49:52 2012] Mean detx,y = (-1085.74, -8318.69) 
[Sun Jun  3 20:49:58 2012] Setting backscal keywords in source and bgd. spectrum
[Sun Jun  3 20:50:28 2012] Binned source spectrum to 10 counts/bin
[Sun Jun  3 20:50:29 2012] Setting source spectrum file to fullrun_pn_xmm0555870201_pi300-10000_pass1_cl_src22_src_b10.pi.gz
[Sun Jun  3 20:50:29 2012] Setting bgd. spectrum file to fullrun_pn_xmm0555870201_pi300-10000_pass1_cl_src22_bgd.pi.gz
[Mon Jun  4 00:08:49 2012] Updating aperture counts using extracted products
[Mon Jun  4 00:08:49 2012] Error reading totcts from fullrun_pn_xmm0555870201_pi300-10000_pass1_cl_src22_src_b10.pi.gz
[Mon Jun  4 00:08:51 2012] Calculating source flux in energy range 0.30-8.00
[Mon Jun  4 00:08:51 2012] Using photon index=1.80, rate=0.0067, arf fullrun_pn_xmm0555870201_pi300-10000_pass1_cl_src22.arf
[Mon Jun  4 00:08:51 2012] Assuming count rate is from the 0.30-10.00 bandpass
[Mon Jun  4 00:08:51 2012] Updating source flux to 2.6e-14
[Mon Jun  4 00:11:13 2012] Flag p found in src. 22 procflags, skipping spectral fitting
[Mon Jun  4 00:11:13 2012] Flag c found in src. 22 procflags, skipping spectral fitting