[Mon Sep 9 05:00:41 2013] Detection parameters: Position = (294.5, 328.0) = 2 6 11.86 -0 14 11.1 Extent = 10.9" x 10.9", rotation angle = 0 degrees Source counts = 137.3 +/- 16.8 Background counts = 32.9 Rate = 0.01 +/- 0.002 [Mon Sep 9 05:00:41 2013] Off-axis axis estimate = 2.16' [Mon Sep 9 05:00:52 2013] Using EEF radius (= 7.51 ")to estimate initial spatial extent for simple fitting [Mon Sep 9 05:00:52 2013] Initial guess for spatial extent in simple fitting = 7.51" [Mon Sep 9 05:00:52 2013] source mask rpix=1.7, npix_max = 19, mask sum = 20, frac = 1.009 [Mon Sep 9 05:00:52 2013] Giving source the simple spatial ID 1 for pass 0, mean size = 7.51" [Mon Sep 9 05:00:52 2013] fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_src1.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_src1_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_src1_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_src1.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_src1.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_src1_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_src1_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_tfrozen_src1.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