[Sun Aug 19 08:37:07 2012] Detection parameters:
  Position = (344.2, 222.5) = 16 53 56.25 -41 56 31.2
  Extent = 10.9" x 10.9", rotation angle = 0 degrees
  Source counts = 88.2 +/- 14.8
  Background counts = 47.1
  Rate = 0.005 +/- 0.0008

[Sun Aug 19 08:37:07 2012] Off-axis axis estimate = 6.43'
[Sun Aug 19 08:41:31 2012] Using EEF radius (= 9.64 ")to estimate initial spatial extent for simple fitting
[Sun Aug 19 08:41:31 2012] Initial guess for spatial extent in simple fitting = 9.64"
[Sun Aug 19 08:41:31 2012] source mask rpix=2.2, npix_max = 29, mask sum = 25, frac = 0.847
[Sun Aug 19 08:41:31 2012] Giving source the simple spatial ID 161 for pass 0, mean size = 9.64"
[Mon Aug 20 00:54:22 2012] Spatial fit model total counts = 522.247000, observed total counts = 398.000000
[Mon Aug 20 00:54:22 2012] Poor agreement between spatial fit and data for source 172
It may help to tweak spatial fit manually
Not incorporating fit results
[Mon Aug 20 00:54:23 2012] Vigneting correction estimate = 1.000000
[Mon Aug 20 00:54:23 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Mon Aug 20 00:54:23 2012] Assessing source extent using major
[Mon Aug 20 00:54:23 2012] Source does appear to be extended
[Mon Aug 20 00:54:23 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Mon Aug 20 00:56:20 2012] Using EEF radius (= 9.64 ")to estimate initial spatial extent for simple fitting
[Mon Aug 20 00:56:20 2012] Initial guess for spatial extent in simple fitting = 9.64"
[Mon Aug 20 00:56:20 2012] source mask rpix=2.2, npix_max = 29, mask sum = 25, frac = 0.847
[Mon Aug 20 00:56:20 2012] Giving source the simple spatial ID 147 for pass 1, mean size = 9.64"
[Mon Aug 20 16:17:48 2012] Source 172 is offset by -2.439759 and 3.167607 pixels which is larger than
2 X fitted extent = 1.182703 x 1.182703, not incorporating fit results
[Mon Aug 20 16:17:48 2012] Vigneting correction estimate = 1.000000
[Mon Aug 20 16:17:48 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Mon Aug 20 16:17:48 2012] Assessing source extent using major
[Mon Aug 20 16:17:48 2012] Source does appear to be extended
[Mon Aug 20 16:17:48 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Mon Aug 20 16:19:43 2012] XMMSAS src. selection expression = ellipse(29898.594971, 19309.813766, 652.500000, 652.500000, 0.000000, X, Y)
[Mon Aug 20 16:19:43 2012] Writing source region out to fullrun_pn_xmm0109490301_pi300-10000_pass1_cl_src172_src.reg
[Mon Aug 20 16:19:43 2012] Extracting stamp from image fullrun_pn_xmm0109490301_pi300-10000_cl_sm2.00.img.gz, (307, 185) - (382, 260)
[Mon Aug 20 16:19:43 2012] XMMSAS bgd. selection expression = annulus(29898.594971, 19309.813766, 1087.500000, 2175.000000, X, Y) && !ellipse(30994.638855, 18165.233292, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(27553.025269, 22165.267242, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(30130.248932, 21130.109818, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(29940.982513, 20215.776138, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(29105.598785, 19784.158646, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(27926.672852, 19015.721481, 870.000000, 870.000000, 0.000000, X, Y) && !ellipse(27670.651031, 18665.505859, 870.000000, 870.000000, 0.000000, X, Y)
[Mon Aug 20 16:19:43 2012] Writing fullrun_pn_xmm0109490301_pi300-10000_pass1_cl_src172.gif
[Mon Aug 20 19:07:21 2012] Mean detx,y = (2036.43, 8577.93) 
[Mon Aug 20 19:07:26 2012] Setting backscal keywords in source and bgd. spectrum
[Mon Aug 20 19:08:06 2012] Binned source spectrum to 10 counts/bin
[Mon Aug 20 19:08:07 2012] Setting source spectrum file to fullrun_pn_xmm0109490301_pi300-10000_pass1_cl_src172_src_b10.pi.gz
[Mon Aug 20 19:08:07 2012] Setting bgd. spectrum file to fullrun_pn_xmm0109490301_pi300-10000_pass1_cl_src172_bgd.pi.gz
[Mon Aug 20 23:56:09 2012] Not generating rmf since there are only 88 counts
[Mon Aug 20 23:56:09 2012] rmf not generated due to insufficient counts
[Tue Aug 21 05:12:44 2012] Updating aperture counts using extracted products
[Tue Aug 21 05:12:44 2012] Error reading totcts from fullrun_pn_xmm0109490301_pi300-10000_pass1_cl_src172_src_b10.pi.gz
[Tue Aug 21 05:12:52 2012] Calculating source flux in energy range 0.30-8.00
[Tue Aug 21 05:12:52 2012] Using photon index=1.80, rate=0.00457, arf fullrun_pn_xmm0109490301_pi300-10000_pass1_cl_src172.arf
[Tue Aug 21 05:12:52 2012] Assuming count rate is from the 0.30-10.00 bandpass
[Tue Aug 21 05:12:52 2012] Updating source flux to 2.3e-14
[Tue Aug 21 05:28:10 2012] Simple spatial fitting not done (or not done successfully), skipping spectral fitting