Fe XVII non-porous 16.780 continuum on: 16.3:16.6; 16.86:16.90 ======================================================================== Model powerlaw<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 powerlaw PhoIndex 2.00000 frozen 2 1 powerlaw norm 2.15899E-03 +/- 4.15645E-04 ________________________________________________________________________ C-statistic = 98.92 using 132 PHA bins and 131 degrees of freedom. Warning: Cstat statistic is only valid for Poisson data. XSPEC12>goodness 10000 nosim 0.01% of realizations are < best fit statistic 98.92 XSPEC12>error 1. 2 Parameter Confidence Range (1.000000) 2 0.001968 0.002471 (-0.000242,0.000261) PLT> wdata /home/cohen/xspec/2007/zpup/fexvii_1678_cont1.dat Try eliminating some of the bluest bins: XSPEC12>ignore 0.-16.4 ======================================================================== Model powerlaw<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 powerlaw PhoIndex 2.00000 frozen 2 1 powerlaw norm 1.98276E-03 +/- 4.87938E-04 ________________________________________________________________________ C-statistic = 63.22 using 92 PHA bins and 91 degrees of freedom. Warning: Cstat statistic is only valid for Poisson data. XSPEC12>plot XSPEC12>goodness 1000 nosim 0.00% of realizations are < best fit statistic 63.22 XSPEC12>error 1. 2 Parameter Confidence Range (1.0000000) 2 0.001705 0.002289 (-0.000278,0.000306) XSPEC12>ignore 0.-16.5 ======================================================================== Model powerlaw<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 powerlaw PhoIndex 2.00000 frozen 2 1 powerlaw norm 2.33904E-03 +/- 6.92190E-04 ________________________________________________________________________ C-statistic = 36.30 using 52 PHA bins and 51 degrees of freedom. XSPEC12>error 1. 2 Parameter Confidence Range (1.000000) 2 0.001939 0.002790 (-0.000400,0.000451) XSPEC12>goodness 1000 nosim 0.30% of realizations are < best fit statistic 36.30 OK, go with the first one - bigger range; intermediate value. But not much variation at all. [16.64:16.87] ======================================================================== Model windprof<1> + powerlaw<2> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 windprof q 0.0 frozen 2 1 windprof taustar 3.01360 +/- 0.497193 3 1 windprof u0 0.984004 +/- 2.85740 4 1 windprof h 0.0 frozen 5 1 windprof tau0star 0.0 frozen 6 1 windprof beta 1.00000 frozen 7 1 windprof betaSob 0.0 frozen 8 1 windprof numerica 0 frozen 9 1 windprof anisotro 0 frozen 10 1 windprof rosselan 0 frozen 11 1 windprof expansio 0 frozen 12 1 windprof thick 0 frozen 13 1 windprof waveleng "A" 16.7800 frozen 14 1 windprof shift "mA" 0.0 frozen 15 1 windprof velocity "km/s" 2250.00 frozen 16 1 windprof verbose 0 frozen 17 1 windprof norm 2.41007E-04 +/- 3.03936E-05 18 2 powerlaw PhoIndex 2.00000 frozen 19 2 powerlaw norm 2.20000E-03 frozen ________________________________________________________________________ C-statistic = 85.63 using 90 PHA bins and 87 degrees of freedom. looks like we excluded too many bins on the red wing; but wrote this out, plotted it, and saved it as [cohen@ruby idl]$ cp idl.ps fexvii_1678_smooth_red1687.ps Now, a larger range: XSPEC12>notice 16.8-16.90 ======================================================================== Model windprof<1> + powerlaw<2> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 windprof q 0.0 frozen 2 1 windprof taustar 2.86311 +/- 0.452783 3 1 windprof u0 0.989988 +/- 2.71483 4 1 windprof h 0.0 frozen 5 1 windprof tau0star 0.0 frozen 6 1 windprof beta 1.00000 frozen 7 1 windprof betaSob 0.0 frozen 8 1 windprof numerica 0 frozen 9 1 windprof anisotro 0 frozen 10 1 windprof rosselan 0 frozen 11 1 windprof expansio 0 frozen 12 1 windprof thick 0 frozen 13 1 windprof waveleng "A" 16.7800 frozen 14 1 windprof shift "mA" 0.0 frozen 15 1 windprof velocity "km/s" 2250.00 frozen 16 1 windprof verbose 0 frozen 17 1 windprof norm 2.30819E-04 +/- 3.00726E-05 18 2 powerlaw PhoIndex 2.00000 frozen 19 2 powerlaw norm 2.20000E-03 frozen ________________________________________________________________________ C-statistic = 102.88 using 104 PHA bins and 101 degrees of freedom. Warning: Cstat statistic is only valid for Poisson data. XSPEC12>goodness 1000 nosim 21.80% of realizations are < best fit statistic 102.88 XSPEC12>error 1. 2 Parameter Confidence Range (1.0000000) 2 2.145490 3.239797 (-0.717539,0.376767) XSPEC12>error 2.7 2 Parameter Confidence Range (2.700000) 2 1.843362 3.555423 (-1.019675,0.692387) XSPEC12>steppar 3 0.5 0.99 49 C-Statistic Delta u0 C-Statistic 3 109.06972 6.17685 0 0.50000 108.41836 5.52549 1 0.51000 107.76274 4.86987 2 0.52000 107.15535 4.26248 3 0.53000 106.59802 3.70515 4 0.54000 106.08901 3.19614 5 0.55000 105.62656 2.73369 6 0.56000 105.21000 2.31713 7 0.57000 104.84107 1.94820 8 0.58000 104.51478 1.62191 9 0.59000 104.23012 1.33725 10 0.60000 103.98473 1.09186 11 0.61000 103.77531 0.88244 12 0.62000 103.59905 0.70618 13 0.63000 103.45362 0.56075 14 0.64000 103.33582 0.44296 15 0.65000 103.24026 0.34739 16 0.66000 103.16457 0.27170 17 0.67000 103.10705 0.21418 18 0.68000 103.06477 0.17190 19 0.69000 103.03250 0.13963 20 0.70000 103.00867 0.11580 21 0.71000 102.99224 0.09937 22 0.72000 102.98151 0.08864 23 0.73000 102.97348 0.08061 24 0.74000 102.96711 0.07424 25 0.75000 102.96168 0.06881 26 0.76000 102.95695 0.06408 27 0.77000 102.95277 0.05990 28 0.78000 102.94835 0.05549 29 0.79000 102.94302 0.05016 30 0.80000 102.93721 0.04434 31 0.81000 102.93199 0.03912 32 0.82000 102.92676 0.03389 33 0.83000 102.92088 0.02801 34 0.84000 102.91482 0.02195 35 0.85000 102.90967 0.01680 36 0.86000 102.90494 0.01207 37 0.87000 102.90013 0.00727 38 0.88000 102.89556 0.00269 39 0.89000 102.89199 -0.00087 40 0.90000 102.88918 -0.00369 41 0.91000 102.88687 -0.00600 42 0.92000 102.88502 -0.00785 43 0.93000 102.88369 -0.00918 44 0.94000 102.88277 -0.01009 45 0.95000 102.88225 -0.01062 46 0.96000 102.88205 -0.01082 47 0.97000 102.88194 -0.01093 48 0.98000 102.88188 -0.01099 49 0.99000 XSPEC12>error 1. 17 Parameter Confidence Range (1.000000) 17 0.000219 0.000250 (-0.000019,0.000012) XSPEC12>error 2.7 17 Parameter Confidence Range (2.700000) 17 0.000210 0.000260 (-0.000028,0.000023) Source File: acis640_pha2.fits{9} Net count rate (cts/s) for Spectrum:1 3.593e-03 +/- 3.503e-04 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 5013-5064 Telescope: CHANDRA Instrument: ACIS Channel Type: PI Exposure Time: 67636.0078 sec Using Response (RMF) File meg_m1.rmf for Source 1 Using Auxiliary Response (ARF) File acis640MEG_-1_garf.fits Source spectrum counts: 243.000000 Model predicted rate: 3.44379E-03 Source File: acis640_pha2.fits{10} Net count rate (cts/s) for Spectrum:2 1.212e-03 +/- 2.652e-04 Assigned to Data Group 1 and Plot Group 2 Noticed Channels: 5013-5064 Telescope: CHANDRA Instrument: ACIS Channel Type: PI Exposure Time: 67636.0078 sec Using Response (RMF) File meg_p1.rmf for Source 1 Using Auxiliary Response (ARF) File acis640MEG_1_garf.fits Source spectrum counts: 82.000000 Model predicted rate: 1.48257E-03 XSPEC12>log /home/cohen/xspec/2007/zpup/fexvii_1678_smooth_35by35.log Logging to file:/home/cohen/xspec/2007/zpup/fexvii_1678_smooth_35by35.log XSPEC12>steppar 2 0.01 4.5 35 3 0.48 0.99 35