[Mon Sep 9 05:00:41 2013] Detection parameters: Position = (282.5, 295.6) = 2 6 15.35 -0 16 39.5 Extent = 43.5" x 43.5", rotation angle = 0 degrees Source counts = 390.2 +/- 34.6 Background counts = 516.1 Rate = 0.03 +/- 0.003 [Mon Sep 9 05:00:41 2013] Off-axis axis estimate = 1.17' [Mon Sep 9 05:00:52 2013] Using EEF radius (= 7.02 ")to estimate initial spatial extent for simple fitting [Mon Sep 9 05:00:52 2013] Initial guess for spatial extent in simple fitting = 7.02" [Mon Sep 9 05:00:52 2013] source mask rpix=1.6, npix_max = 17, mask sum = 25, frac = 1.400 [Mon Sep 9 05:00:52 2013] Giving source the simple spatial ID 5 for pass 0, mean size = 7.02" [Mon Sep 9 05:00:52 2013] fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_src5.ximg exists [Mon Sep 9 05:00:52 2013] Warning: total counts is not > 0 [Mon Sep 9 05:00:52 2013] fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_src5_1.ximg exists [Mon Sep 9 05:00:52 2013] Warning: total counts is not > 0 [Mon Sep 9 05:00:52 2013] It looks like the fit did not converge You should probably delete fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_src5_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_src5.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 [Mon Sep 9 05:00:52 2013] fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_tfrozen_src5.ximg exists [Mon Sep 9 05:00:52 2013] Warning: total counts is not > 0 [Mon Sep 9 05:00:52 2013] fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_tfrozen_src5_1.ximg exists [Mon Sep 9 05:00:52 2013] Warning: total counts is not > 0 [Mon Sep 9 05:00:52 2013] It looks like the fit did not converge You should probably delete fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_tfrozen_src5_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_tfrozen_src5.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