[Mon Sep 9 05:00:41 2013] Detection parameters: Position = (280.6, 283.0) = 2 6 15.90 -0 17 28.8 Extent = 10.9" x 10.9", rotation angle = 0 degrees Source counts = 116752.5 +/- 404.4 Background counts = 29.9 Rate = 1e+01 +/- 0.03 [Mon Sep 9 05:00:41 2013] Off-axis axis estimate = 1.71' [Mon Sep 9 05:00:52 2013] Using EEF radius (= 7.28 ")to estimate initial spatial extent for simple fitting [Mon Sep 9 05:00:52 2013] Initial guess for spatial extent in simple fitting = 7.28" [Mon Sep 9 05:00:52 2013] source mask rpix=1.7, npix_max = 18, mask sum = 20, frac = 1.058 [Mon Sep 9 05:00:52 2013] Giving source the simple spatial ID 6 for pass 0, mean size = 7.28" [Mon Sep 9 05:00:52 2013] fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_src6.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_src6_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_src6_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_src6.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_src6.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_src6_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_src6_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_tfrozen_src6.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