[Sat Feb 25 13:48:28 2012] Detection parameters:
  Position = (818.7, 772.3) = 20 33 48.13 41 22 33.2
  Extent = 2.1" x 1.2", rotation angle = 63 degrees
  Source counts = 17.8 +/- 4.7
  Background counts = 4.2
  Rate = 0.0006 +/- 0.0002

[Sat Feb 25 13:48:29 2012] Off-axis axis estimate = 6.33'
[Sat Feb 25 14:06:43 2012] Using EEF radius (= 1.80 ")to estimate initial spatial extent for simple fitting
[Sat Feb 25 14:06:43 2012] Initial guess for spatial extent in simple fitting = 1.80"
[Sat Feb 25 14:06:43 2012] source mask rpix=3.7, npix_max = 69, mask sum = 55, frac = 0.797
[Sat Feb 25 14:06:43 2012] Giving source the simple spatial ID 24 for pass 0, mean size = 1.80"
[Sat Feb 25 15:01:19 2012] fullrun_ccd1_acisf10959_pi14-548_cl_pass0_src24.ximg exists
[Sat Feb 25 15:01:19 2012] fullrun_ccd1_acisf10959_pi14-548_cl_pass0_src24_1.ximg exists
[Sat Feb 25 15:01:19 2012] Fit fullrun_ccd1_acisf10959_pi14-548_cl_pass0_src24 appears to have run properly
[Sat Feb 25 15:01:19 2012] fullrun_ccd1_acisf10959_pi14-548_cl_pass0_tfrozen_src24.ximg exists
[Sat Feb 25 15:01:19 2012] fullrun_ccd1_acisf10959_pi14-548_cl_pass0_tfrozen_src24_1.ximg exists
[Sat Feb 25 15:01:19 2012] Fit fullrun_ccd1_acisf10959_pi14-548_cl_pass0_tfrozen_src24 appears to have run properly
[Sat Feb 25 16:22:02 2012] Spatial fit model total counts = 24.938300, observed total counts = 25.000000
[Sat Feb 25 16:22:02 2012] Offset between fit and detection position for source 52 = 1.946315 pixels
[Sat Feb 25 16:22:02 2012] 25.092260 total counts/ 16.822300 bgd. counts: snr = 2.016326
Spatial fit parameters:
  Offset between fit and detection position for source 52 = 1.946315 pixels
  Position = (820.2, 771.1) = 20 33 48.09 41 22 32.4
  Extent = 1.0 (0.5-1.4)", rotation angle = 0
  Source counts = 8.3 +/- 5.0
  Background counts = 16.8
  Rate = 0.0003 +/- 0.0002
[Sat Feb 25 16:22:02 2012] Vigneting correction estimate = 1.000000
[Sat Feb 25 16:22:02 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Sat Feb 25 16:22:02 2012] Assessing source extent using major axis lower bound
[Sat Feb 25 16:22:02 2012] Source does appear to be extended
[Sat Feb 25 16:22:02 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Sat Feb 25 16:40:02 2012] Using previous fit value to estimate initial spatial extent for simple fitting
[Sat Feb 25 16:40:02 2012] Initial guess for spatial extent in simple fitting = 0.95"
[Sat Feb 25 16:40:02 2012] Spatial fitting skipped for pass 1: source                                 has 8.3 net counts, is at off-axis angle 6.3'
[Sat Feb 25 18:44:35 2012] Vigneting correction estimate = 1.000000
[Sat Feb 25 18:44:35 2012] Source flux estimate in the 0.3-8.0 bandpass, Gamma=1.800000 = 0 
[Sat Feb 25 18:44:35 2012] Assessing source extent using major axis lower bound
[Sat Feb 25 18:44:35 2012] Source does appear to be extended
[Sat Feb 25 18:44:35 2012] Computing asymmetry using major and minor axis, asym = 1.00
[Sat Feb 25 18:59:53 2012] Writing source region out to fullrun_ccd1_acisf10959_pi14-548_pass1_cl_src52_src.reg
[Sat Feb 25 18:59:53 2012] Extracting stamp from image fullrun_ccd1_acisf10959_pi14-548_cl_sm2.00.img.gz, (777, 728) - (864, 815)
[Sat Feb 25 18:59:53 2012] Writing fullrun_ccd1_acisf10959_pi14-548_pass1_cl_src52.gif
[Sat Feb 25 19:10:56 2012] Size of ../../acisf10959/products/events/fullrun_ccd1_acisf10959_pi14-548_pass1_cl_src52_src.evt.gz[events] = 13 counts
[Sat Feb 25 19:10:56 2012] Mean chipx,y = (391.92, 435.31)
[Sat Feb 25 19:10:56 2012] Mean tdetx,y = (4696.69, 4498.92)
[Sat Feb 25 19:10:56 2012] chipx,y range = (378.00-412.00, 418.00-453.00)
[Sat Feb 25 19:10:56 2012] Size of ../../acisf10959/products/events/fullrun_ccd1_acisf10959_pi14-548_pass1_cl_src52_bgd.evt.gz[events] = 22 counts
[Sat Feb 25 19:10:57 2012] Not generating rmf since there are only 8 counts
[Sat Feb 25 19:10:57 2012] arf not found, will run specextract
[Sat Feb 25 19:11:19 2012] ../../acisf10959/products/spectra/fullrun_ccd1_acisf10959_pi14-548_pass1_cl_src52.warf not found
[Sat Feb 25 19:11:19 2012] ../../acisf10959/products/spectra/fullrun_ccd1_acisf10959_pi14-548_pass1_cl_src52.wrmf not found
[Sat Feb 25 19:11:19 2012] Removal of ../../acisf10959/products/spectra/fullrun_ccd1_acisf10959_pi14-548_pass1_cl_src52.soff failed
[Sat Feb 25 19:21:15 2012] Spectrum 52 has only 8 counts, deleting rmf
[Sat Feb 25 19:21:15 2012] 175.462
[Sat Feb 25 20:15:29 2012] Updating aperture counts using extracted products
[Sat Feb 25 20:15:29 2012] Error reading totcts from fullrun_ccd1_acisf10959_pi14-548_pass1_cl_src52_src.pi.gz
[Sat Feb 25 20:15:29 2012] Calculating source flux in energy range 0.30-8.00
[Sat Feb 25 20:15:29 2012] Using photon index=1.80, rate=0.000293, arf fullrun_ccd1_acisf10959_pi14-548_pass1_cl_src52.arf
[Sat Feb 25 20:15:29 2012] Assuming count rate is from the 0.20-8.00 bandpass
[Sat Feb 25 20:15:29 2012] Updating source flux to 4.9e-15
[Sat Feb 25 20:15:42 2012] Source 52 has fewer than 100.000000 counts, skipping spectral fitting