XSPEC version: 12.11.0 Build Date/Time: Mon Apr 13 12:38:19 2020 XSPEC12>query no XSPEC12>data 1:1 sw00948361000b_avg.pha 1 spectrum in use Spectral Data File: sw00948361000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 2.403e-02 +/- 2.233e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 144 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 sw00948361000b_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 515.20 using 59 bins. Test statistic : Chi-Squared 515.20 using 59 bins. Null hypothesis probability of 5.21e-75 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 426.251 3.93078 -3 18.8384 2.82465 240.421 56.1869 -4 37.3079 0.661370 192.474 65.6694 -1 94.4615 0.421181 88.1065 137.789 -2 199.342 0.554119 58.4308 83.7114 -3 199.361 0.703424 58.4223 15.6597 -4 199.363 0.703558 ============================== Variances and Principal Axes 1 2 1.0970E-03| -0.0001 -1.0000 8.4201E+03| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 8.420e+03 -9.689e-01 -9.689e-01 1.209e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 91.7611 2 1 bremss norm 0.703558 +/- 3.47635E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 58.42 using 59 bins. Test statistic : Chi-Squared 58.42 using 59 bins. Null hypothesis probability of 4.23e-01 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 57.3545 0.0185119 1 199.363 0.737779 ============================== Variances and Principal Axes 1 2 1.0970E-03| -0.0001 -1.0000 7.6651E+03| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 7.665e+03 -9.244e-01 -9.244e-01 1.208e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 87.5508 2 1 bremss norm 0.737779 +/- 3.47633E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 57.35 using 59 bins. Test statistic : Chi-Squared 57.35 using 59 bins. Null hypothesis probability of 4.62e-01 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 57.3545 0.0185113 1 199.363 0.737779 ============================== Variances and Principal Axes 1 2 1.0970E-03| -0.0001 -1.0000 7.6657E+03| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 7.666e+03 -9.244e-01 -9.244e-01 1.208e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 87.5539 2 1 bremss norm 0.737779 +/- 3.47632E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 57.35 using 59 bins. Test statistic : Chi-Squared 57.35 using 59 bins. Null hypothesis probability of 4.62e-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 1 00:40:40 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: sw00948361000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: sw00948361000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00948361000b_avg.pha Net count rate (cts/s) for Spectrum:1 2.295e-02 +/- 1.060e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 144 sec Using fit statistic: chi Using Response (RMF) File sw00948361000b_avg.rsp for Source 1 Spectral data counts: 3.30457 Model predicted rate: 2.26712E-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 +/- 87.5539 2 1 bremss norm 0.737779 +/- 3.47632E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 57.35 using 59 bins. Test statistic : Chi-Squared 57.35 using 59 bins. Null hypothesis probability of 4.62e-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 0.05904 photons (1.8371e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.05469 - 0.06460 (1.702e-09 - 2.008e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.062335 photons (3.534e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.05254 - 0.06674 (2.927e-09 - 3.784e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.05751 photons (7.7507e-09 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.02957 - 0.06153 (3.647e-09 - 8.293e-09) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.17888 photons (1.3122e-08 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.1428 - 0.1917 (8.311e-09 - 1.407e-08) (90.00% confidence) XSPEC12>error 1 Parameter Confidence Range (2.706) Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 57.2838 0.0158068 0 200.000 0.737490 57.2837 0.210886 0 200.000 0.737606 57.2837 0.0545355 2 200.000 0.737606 ============================== Variances and Principal Axes 1 2 1.0967E-03| -0.0001 -1.0000 1.3421E+04| -1.0000 0.0001 ------------------------------ ======================== Covariance Matrix 1 2 1.342e+04 -1.216e+00 -1.216e+00 1.207e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 200.000 +/- 115.850 2 1 bremss norm 0.737606 +/- 3.47386E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 57.28 using 59 bins. Test statistic : Chi-Squared 57.28 using 59 bins. Null hypothesis probability of 4.65e-01 with 57 degrees of freedom ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 199.363, with delta statistic: 0.0707805 *** 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. 1 178.423 0 (-21.5772,-200) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 0.683246 0.792197 (-0.0544755,0.0544755) 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 (-21.5772 -200) Norm : 0.737606 (-0.0544755 0.0544755) ------------------------------------------------------------ Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 2.645e-07 2.203e-08 25- 50 5.089e-07 6.170e-08 50-150 1.116e-06 3.345e-07 15-150 1.890e-06 4.146e-07