XSPEC version: 12.13.1 Build Date/Time: Thu Jul 20 16:52:54 2023 [?1034hXSPEC12>query no XSPEC12>data 1:1 sw01315630000b_avg.pha 1 spectrum in use Spectral Data File: sw01315630000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 4.276e-01 +/- 3.721e-02 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 0.56 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 sw01315630000b_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 287.36 using 59 bins. Test statistic : Chi-Squared 287.36 using 59 bins. Null hypothesis probability of 1.83e-32 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 251.427 0.614551 -3 19.1659 27.0569 180.446 0.746753 -4 57.6885 9.59378 128.602 1.02037 0 192.494 9.07932 123.424 1.51953 -1 198.980 9.94326 122.393 0.988665 -2 199.360 10.2152 122.39 0.817274 -3 199.362 10.2160 ============================== Variances and Principal Axes 1 2 7.8924E-01| 0.0010 1.0000 3.1697E+04| 1.0000 -0.0010 ------------------------------ ======================== Covariance Matrix 1 2 3.170e+04 -3.056e+01 -3.056e+01 8.187e-01 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.362 +/- 178.036 2 1 bremss norm 10.2160 +/- 0.904818 ________________________________________________________________________ Fit statistic : Chi-Squared 122.39 using 59 bins. Test statistic : Chi-Squared 122.39 using 59 bins. Null hypothesis probability of 1.12e-06 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 120.285 0.0237556 1 199.363 11.5047 ============================== Variances and Principal Axes 1 2 7.8924E-01| 0.0011 1.0000 2.5029E+04| 1.0000 -0.0011 ------------------------------ ======================== Covariance Matrix 1 2 2.503e+04 -2.715e+01 -2.715e+01 8.187e-01 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 158.207 2 1 bremss norm 11.5047 +/- 0.904808 ________________________________________________________________________ Fit statistic : Chi-Squared 120.29 using 59 bins. Test statistic : Chi-Squared 120.29 using 59 bins. Null hypothesis probability of 2.02e-06 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 120.285 0.0237502 1 199.363 11.5047 ============================== Variances and Principal Axes 1 2 7.8924E-01| 0.0011 1.0000 2.5041E+04| 1.0000 -0.0011 ------------------------------ ======================== Covariance Matrix 1 2 2.504e+04 -2.715e+01 -2.715e+01 8.187e-01 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 158.243 2 1 bremss norm 11.5047 +/- 0.904811 ________________________________________________________________________ Fit statistic : Chi-Squared 120.29 using 59 bins. Test statistic : Chi-Squared 120.29 using 59 bins. Null hypothesis probability of 2.02e-06 with 57 degrees of freedom XSPEC12>log bat_spec_brems.log Logging to file:bat_spec_brems.log XSPEC12>show XSPEC version: 12.13.1 Fri Jun 20 15:39:43 2025 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/release6.32/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: sw01315630000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1315630/remake_spec_cflux/spec_T100/sw01315630000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw01315630000b_avg.pha Net count rate (cts/s) for Spectrum:1 3.801e-01 +/- 2.745e-02 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 0.56 sec Using fit statistic: chi Using Response (RMF) File sw01315630000b_avg.rsp for Source 1 Spectral data counts: 0.21284 Model predicted rate: 0.336117 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 +/- 158.243 2 1 bremss norm 11.5047 +/- 0.904811 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 120.29 using 59 bins. Test statistic : Chi-Squared 120.29 using 59 bins. Null hypothesis probability of 2.02e-06 with 57 degrees of freedom Bayes is off XSPEC12>flux 15.0 25.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.92065 photons (2.8648e-08 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.000 - 1.043 (0.000 - 3.233e-08) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.97203 photons (5.5108e-08 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.000 - 1.074 (0.000 - 6.087e-08) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.89678 photons (1.2086e-07 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.000 - 0.9872 (0.000 - 1.331e-07) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 2.7895 photons (2.0462e-07 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.000 - 3.142 (0.000 - 2.304e-07) (90.00% confidence) XSPEC12>error 1 Cannot do error calc: Reduced Chi^2 (= 2.11026) > maximum (2) XSPEC12>error 2 Cannot do error calc: Reduced Chi^2 (= 2.11026) > maximum (2) 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] : 199.363 ( ) Norm : 11.5047 ( ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 120.29 using 59 bins. Reduced chi-squared = # Null hypothesis probability of 2.02e-06 with 57 degrees of freedom Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 1.604e-08 9.052e-09 25- 50 3.086e-08 1.704e-08 50-150 6.768e-08 3.727e-08 15-150 1.146e-07 6.451e-08