XSPEC version: 12.11.0 Build Date/Time: Mon Apr 13 12:38:19 2020 [?1034hXSPEC12>query no XSPEC12>data 1:1 sw00963260000b_avg.pha 1 spectrum in use Spectral Data File: sw00963260000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 3.163e-02 +/- 2.434e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 138.5 sec Using fit statistic: chi No response loaded. ***Warning! One or more spectra are missing responses, and are not suitable for fit. XSPEC12>response 1 sw00963260000b_avg.rsp Response successfully loaded. XSPEC12>ignore **-13.0 150.0-** 3 channels (1-3) ignored in spectrum # 1 18 channels (63-80) ignored in spectrum # 1 XSPEC12>model bremss Input parameter value, delta, min, bot, top, and max values for ... 7 0.05( 0.07) 0.0001 0.0001 100 200 1:bremss:kT>7.0000 5.00000E-02 1.00000E-04 1.00000E-04 100.00 200.00 1 0.01( 0.01) 0 0 1e+20 1e+24 2:bremss:norm>1.0000 1.00000E-02 0.0000 0.0000 1.00000E+24 1.00000E+24 ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 7.00000 +/- 0.0 2 1 bremss norm 1.00000 +/- 0.0 ________________________________________________________________________ Fit statistic : Chi-Squared 423.97 using 59 bins. Test statistic : Chi-Squared 423.97 using 59 bins. Null hypothesis probability of 1.62e-57 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 316.945 4.33211 -3 19.4983 3.98027 119.154 40.7842 -4 35.2267 1.38320 98.9159 11.7235 -1 58.7629 0.948923 67.5046 34.7656 -2 190.993 0.878953 66.6986 14.71 0 170.104 0.885281 66.6371 15.0928 1 168.282 0.885986 66.5808 15.1308 1 166.692 0.886695 66.5335 15.15 0 140.785 0.893262 65.3509 17.3325 0 185.895 0.934306 65.2585 3.17418 1 183.708 0.934454 ============================== Variances and Principal Axes 1 2 2.3268E-03| -0.0003 -1.0000 3.4710E+03| -1.0000 0.0003 ------------------------------ ======================== Covariance Matrix 1 2 3.471e+03 -1.152e+00 -1.152e+00 2.709e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 183.708 +/- 58.9152 2 1 bremss norm 0.934454 +/- 5.20483E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 65.26 using 59 bins. Test statistic : Chi-Squared 65.26 using 59 bins. Null hypothesis probability of 2.12e-01 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 65.0163 0.0115811 1 180.671 0.949963 64.8435 0.277591 1 176.770 0.949978 64.6375 0.656431 1 171.869 0.950010 64.4132 1.17232 1 166.048 0.950067 64.2048 1.84715 1 159.815 0.950155 64.0497 2.64963 1 154.047 0.950282 63.9589 3.46835 1 149.493 0.950448 63.9146 4.1636 1 146.342 0.950649 63.8941 4.66143 1 144.343 0.950874 63.8833 4.97242 1 143.130 0.951116 ============================== Variances and Principal Axes 1 2 2.4465E-03| -0.0009 -1.0000 1.5282E+03| -1.0000 0.0009 ------------------------------ ======================== Covariance Matrix 1 2 1.528e+03 -1.347e+00 -1.347e+00 3.634e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 143.130 +/- 39.0922 2 1 bremss norm 0.951116 +/- 6.02836E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 63.88 using 59 bins. Test statistic : Chi-Squared 63.88 using 59 bins. Null hypothesis probability of 2.48e-01 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 63.5438 0.00570848 1 138.788 0.976353 63.5171 0.879186 1 136.303 0.976397 63.5089 1.40258 1 134.962 0.976466 ============================== Variances and Principal Axes 1 2 2.4867E-03| -0.0011 -1.0000 1.2221E+03| -1.0000 0.0011 ------------------------------ ======================== Covariance Matrix 1 2 1.222e+03 -1.317e+00 -1.317e+00 3.906e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 134.962 +/- 34.9582 2 1 bremss norm 0.976466 +/- 6.24949E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 63.51 using 59 bins. Test statistic : Chi-Squared 63.51 using 59 bins. Null hypothesis probability of 2.58e-01 with 57 degrees of freedom XSPEC12>log bat_spec_brems.log Logging to file:bat_spec_brems.log XSPEC12>show XSPEC version: 12.11.0 Mon Jun 29 01:01:12 2020 Auto-saving is done after every command. Fit statistic in use: Chi-Squared Minimization technique: Levenberg-Marquardt Convergence criterion = 0.01 Parameter fit deltas: 0.01 * parValue Using chain rule to calculate statistic derivatives (faster method). Querying disabled - will not continue fitting. Prefit-renorming enabled. Solar abundance table: angr Photoionization Cross-Section Table: bcmc: Balucinska-Church and McCammon, 1998 Cosmology in use: H0 = 70 q0 = 0 Lambda0 = 0.73 Model data directory: /software/lheasoft/release/x86_64-pc-linux-gnu-libc2.12/../spectral/manager/../modelData/ Plot settings: Showing of individual additive components is OFF. Showing of background spectra is OFF. Effective area normalization is OFF. Current unit settings: Energy = keV Wavelength = angstrom, with Y-Axis displayed per Hz X-Axis data display mode: Channels Spectra plots will be shifted to source frame by redshift value z: 0 Device: /null Plotting of line IDs is OFF. Splashpage is ON. xlog for data plots is ON. ylog for data plots is OFF. Default plot rebin settings for all plot groups: Min. Signif. Max. # Bins Error Type 0.00000 1 quad Responses read: sw00963260000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: sw00963260000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00963260000b_avg.pha Net count rate (cts/s) for Spectrum:1 2.841e-02 +/- 1.511e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 138.5 sec Using fit statistic: chi Using Response (RMF) File sw00963260000b_avg.rsp for Source 1 Spectral data counts: 3.93429 Model predicted rate: 2.83915E-02 Current model list: ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 134.962 +/- 34.9582 2 1 bremss norm 0.976466 +/- 6.24949E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 63.51 using 59 bins. Test statistic : Chi-Squared 63.51 using 59 bins. Null hypothesis probability of 2.58e-01 with 57 degrees of freedom XSPEC12>flux 15.0 25.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.081353 photons (2.5278e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.06949 - 0.08815 (2.162e-09 - 2.736e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.08168 photons (4.611e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.05943 - 0.08535 (3.279e-09 - 4.833e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.065991 photons (8.6964e-09 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.01958 - 0.07959 (2.269e-09 - 1.070e-08) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.22902 photons (1.5835e-08 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.1726 - 0.2466 (9.261e-09 - 1.805e-08) (90.00% confidence) XSPEC12>error 1 Parameter Confidence Range (2.706) ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 200, with delta statistic: 2.42099 *** Parameter upper bound is INVALID. 1 89.2494 0 (-42.6908,-131.94) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 0.893356 1.10912 (-0.095051,0.120715) XSPEC12>log none Log file closed logging switched off XSPEC12>setplot energy XSPEC12>setplot command sc white 1 XSPEC12>setplot command cpd bat_spec_brems.gif/gif 2 XSPEC12>plot ldata delchi XSPEC12>/* XSPEC12>exit XSPEC: quit Spectral model: thermal bremsstrahlung ------------------------------------------------------------ Parameters : value Lower 90% Upper 90% kT [keV] : 134.962 (-42.6908 -131.94) Norm : 0.976466 (-0.095051 0.120715) ------------------------------------------------------------ Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 3.501e-07 3.975e-08 25- 50 6.386e-07 1.076e-07 50-150 1.204e-06 5.838e-07 15-150 2.193e-06 6.086e-07