======================================================================== 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 2.01578 +/- 0.994319 3 1 windprof u0 0.680770 +/- 7.31452E-02 4 1 windprof h 4.24936E-19 +/- 3.09707 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 1 frozen 11 1 windprof expansio 0 frozen 12 1 windprof thick 0 frozen 13 1 windprof waveleng "A" 12.1339 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 2.70743E-04 +/- 1.74901E-05 18 2 powerlaw PhoIndex 2.00000 frozen 19 2 powerlaw norm 1.64000E-03 frozen ________________________________________________________________________ C-statistic = 191.33 using 176 PHA bins and 172 degrees of freedom. Warning: Cstat statistic is only valid for Poisson data. XSPEC12>plot XSPEC12>goodness 1000 nosim 61.10% of realizations are < best fit statistic 191.33 XSPEC12>error 1. 2 Parameter Confidence Range (1.0000000) 2 1.778221 2.677333 (-0.238192,0.660921) XSPEC12>error 2.7 2 Parameter Confidence Range (2.700000) Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Apparent non-monotonicity in statistic space detected. Current bracket values 3.435989, 3.478700 and delta stat 2.341773, 2.774463 but latest trial 3.439604 gives 2.332536 Suggest that you check this result using the steppar command. 2 1.630966 3.457345 (-0.385883,1.440496) XSPEC12>steppar 2 1.4 1.8 20 C-Statistic Delta taustar C-Statistic 2 201.34583 9.98974 0 1.40000 198.19233 6.83623 1 1.42000 Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged 197.26358 5.90748 2 1.44000 Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged 196.77906 5.42296 3 1.46000 Fit Parameter: 4 has pegged 196.34357 4.98748 4 1.48000 Fit Parameter: 4 has pegged 195.92646 4.57036 5 1.50000 Fit Parameter: 4 has pegged 195.53469 4.17860 6 1.52000 Fit Parameter: 4 has pegged 195.16546 3.80936 7 1.54000 Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged 194.80443 3.44834 8 1.56000 Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged 194.47231 3.11621 9 1.58000 Fit Parameter: 4 has pegged 194.17053 2.81443 10 1.60000 Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged 193.86505 2.50895 11 1.62000 Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged 193.58718 2.23108 12 1.64000 Fit Parameter: 4 has pegged 193.33846 1.98236 13 1.66000 Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged 193.08584 1.72974 14 1.68000 Fit Parameter: 4 has pegged 192.87083 1.51473 15 1.70000 Fit Parameter: 4 has pegged 192.67942 1.32332 16 1.72000 Fit Parameter: 4 has pegged 192.48054 1.12444 17 1.74000 Fit Parameter: 4 has pegged 192.29344 0.93734 18 1.76000 Fit Parameter: 4 has pegged 192.12820 0.77211 19 1.78000 Fit Parameter: 4 has pegged 191.98170 0.62560 20 1.80000 XSPEC12>steppar 2 3.6 3.8 20 C-Statistic Delta taustar C-Statistic 2 194.09317 2.73679 0 3.60000 193.84183 2.48544 1 3.61000 193.86167 2.50529 2 3.62000 193.88111 2.52473 3 3.63000 193.90077 2.54438 4 3.64000 193.92035 2.56397 5 3.65000 193.93998 2.58359 6 3.66000 193.95960 2.60322 7 3.67000 193.97924 2.62286 8 3.68000 193.99889 2.64251 9 3.69000 194.01856 2.66217 10 3.70000 194.03823 2.68185 11 3.71000 194.05791 2.70153 12 3.72000 194.07760 2.72122 13 3.73000 194.09731 2.74092 14 3.74000 194.11702 2.76064 15 3.75000 194.13674 2.78036 16 3.76000 194.15647 2.80009 17 3.77000 194.17621 2.81982 18 3.78000 194.19595 2.83957 19 3.79000 194.21571 2.85933 20 3.80000 XSPEC12>error 1. 3 Parameter Confidence Range (1.000000) 3 0.630652 0.728755 (-0.050337,0.047766) XSPEC12>error 2.7 3 Parameter Confidence Range (2.700000) Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged 3 0.607737 0.781157 (-0.073261,0.100158) XSPEC12>error 1. 4 Parameter Confidence Range (1.000000) ***Warning: Parameter pegged at hard limit: 0 4 0.000000 0.881565 (-0.000000,0.881565) XSPEC12>error 2.7 4 Parameter Confidence Range (2.700000) ***Warning: Parameter pegged at hard limit: 0 ***Warning: Identical values of the parameter give different values of the statistic. Please check your result for the high end of the confidence range. 4 0.000000 1.566810 (-0.000000,1.566810) XSPEC12>error 1. 17 Parameter Confidence Range (1.000000) Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged 17 0.000262 0.000280 (-0.000009,0.000009) XSPEC12>error 2.7 17 Parameter Confidence Range (2.700000) Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged Fit Parameter: 4 has pegged 17 0.000256 0.000286 (-0.000014,0.000015) Fit Parameter: 4 has pegged and now confidence grids: First, taustar vs. uo with h_inf free: and next, h_inf and taustar [cohen@ruby idl]$ ls ../ne*iso*log ../nex_12134_isoporous_hvstaustar_35by35.log ../nex_12134_isoporous_taustarvsumax_35by35.log