[Mon Sep 9 05:00:41 2013] Detection parameters: Position = (288.5, 307.9) = 2 6 13.60 -0 15 37.3 Extent = 10.9" x 10.9", rotation angle = 0 degrees Source counts = 84.7 +/- 17.0 Background counts = 33.7 Rate = 0.007 +/- 0.001 [Mon Sep 9 05:00:41 2013] Off-axis axis estimate = 0.99' [Mon Sep 9 05:00:52 2013] Using EEF radius (= 6.93 ")to estimate initial spatial extent for simple fitting [Mon Sep 9 05:00:52 2013] Initial guess for spatial extent in simple fitting = 6.93" [Mon Sep 9 05:00:52 2013] source mask rpix=1.6, npix_max = 17, mask sum = 20, frac = 1.142 [Mon Sep 9 05:00:52 2013] Giving source the simple spatial ID 4 for pass 0, mean size = 6.93" [Mon Sep 9 05:00:52 2013] fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_src4.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_src4_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_src4_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_src4.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_src4.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_src4_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_src4_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0554920301_pi300-10000_cl_pass0_tfrozen_src4.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