XSPEC version: 12.11.0 Build Date/Time: Mon Apr 13 12:38:19 2020 [?1034hXSPEC12>query no XSPEC12>data 1:1 sw00970886000b_avg.pha 1 spectrum in use Spectral Data File: sw00970886000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 1.552e-02 +/- 1.263e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 849.8 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 sw00970886000b_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 992.12 using 59 bins. Test statistic : Chi-Squared 992.12 using 59 bins. Null hypothesis probability of 9.08e-171 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 777.793 10.0907 -3 19.1753 1.80479 363.27 199.949 -4 37.4013 0.433410 225.287 231.274 -1 84.3871 0.314591 61.2789 382.203 -2 199.264 0.375443 40.3241 172.11 -3 199.318 0.432407 40.3192 11.7789 -4 199.359 0.432471 ============================== Variances and Principal Axes 1 2 1.7766E-04| -0.0001 -1.0000 3.4565E+03| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 3.456e+03 -2.959e-01 -2.959e-01 2.030e-04 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.359 +/- 58.7917 2 1 bremss norm 0.432471 +/- 1.42475E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 40.32 using 59 bins. Test statistic : Chi-Squared 40.32 using 59 bins. Null hypothesis probability of 9.54e-01 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 40.2237 0.00691404 0 199.362 0.436558 ============================== Variances and Principal Axes 1 2 1.7765E-04| -0.0001 -1.0000 3.4994E+03| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 3.499e+03 -2.977e-01 -2.977e-01 2.030e-04 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.362 +/- 59.1556 2 1 bremss norm 0.436558 +/- 1.42470E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 40.22 using 59 bins. Test statistic : Chi-Squared 40.22 using 59 bins. Null hypothesis probability of 9.55e-01 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 40.2237 0.00690512 0 199.363 0.436557 ============================== Variances and Principal Axes 1 2 1.7765E-04| -0.0001 -1.0000 3.5077E+03| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 3.508e+03 -2.980e-01 -2.980e-01 2.030e-04 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 59.2256 2 1 bremss norm 0.436557 +/- 1.42467E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 40.22 using 59 bins. Test statistic : Chi-Squared 40.22 using 59 bins. Null hypothesis probability of 9.55e-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 Wed Jul 1 20:12:47 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: sw00970886000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: sw00970886000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00970886000b_avg.pha Net count rate (cts/s) for Spectrum:1 1.332e-02 +/- 4.402e-04 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 849.8 sec Using fit statistic: chi Using Response (RMF) File sw00970886000b_avg.rsp for Source 1 Spectral data counts: 11.3173 Model predicted rate: 1.33536E-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 199.363 +/- 59.2256 2 1 bremss norm 0.436557 +/- 1.42467E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 40.22 using 59 bins. Test statistic : Chi-Squared 40.22 using 59 bins. Null hypothesis probability of 9.55e-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 0.034935 photons (1.0871e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.03307 - 0.03711 (1.029e-09 - 1.154e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.036885 photons (2.0911e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.03449 - 0.03905 (1.953e-09 - 2.214e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.034029 photons (4.5862e-09 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.03104 - 0.03559 (4.184e-09 - 4.795e-09) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.10585 photons (7.7644e-09 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.09629 - 0.1108 (6.198e-09 - 8.124e-09) (90.00% confidence) XSPEC12>error 1 Parameter Confidence Range (2.706) Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 40.2019 0.00600877 0 200.000 0.435632 40.2014 2.48036 0 200.000 0.435682 ============================== Variances and Principal Axes 1 2 1.7759E-04| -0.0001 -1.0000 6.1696E+03| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 6.170e+03 -3.932e-01 -3.932e-01 2.026e-04 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 200.000 +/- 78.5466 2 1 bremss norm 0.435682 +/- 1.42353E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 40.20 using 59 bins. Test statistic : Chi-Squared 40.20 using 59 bins. Null hypothesis probability of 9.55e-01 with 57 degrees of freedom ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 199.363, with delta statistic: 0.0222774 *** Parameter lower bound is INVALID. ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 200, with delta statistic: 0 *** Parameter upper bound is INVALID. 1 165.227 0 (-34.7727,-200) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 0.414591 0.458434 (-0.0219216,0.0219216) 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] : 200.000 (-34.7727 -200) Norm : 0.435682 (-0.0219216 0.0219216) ------------------------------------------------------------ Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 9.238e-07 5.311e-08 25- 50 1.777e-06 1.109e-07 50-150 3.897e-06 2.596e-07 15-150 6.598e-06 8.184e-07