XSPEC version: 12.11.0 Build Date/Time: Mon Apr 13 12:38:19 2020 XSPEC12>query no XSPEC12>data 1:1 sw00980210000b_avg.pha 1 spectrum in use Spectral Data File: sw00980210000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 5.314e-02 +/- 5.653e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 17.15 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 sw00980210000b_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 210.51 using 59 bins. Test statistic : Chi-Squared 210.51 using 59 bins. Null hypothesis probability of 1.87e-19 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 136.888 1.79134 -3 17.1048 1.88276 100.727 7.96349 -4 66.1605 0.828542 41.1354 25.7475 -5 198.863 1.42951 40.425 3.64998 -6 194.709 1.53523 40.4145 0.369984 0 193.341 1.53444 40.3997 0.317176 0 191.215 1.53378 40.378 0.255027 0 187.686 1.53326 40.3476 0.169766 0 181.640 1.53293 40.3213 0.0318692 0 173.061 1.53292 40.3168 0.178943 0 168.204 1.53337 ============================== Variances and Principal Axes 1 2 1.3167E-02| -0.0007 -1.0000 5.9124E+03| -1.0000 0.0007 ------------------------------ ======================== Covariance Matrix 1 2 5.912e+03 -4.139e+00 -4.139e+00 1.606e-02 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 168.204 +/- 76.8924 2 1 bremss norm 1.53337 +/- 0.126743 ________________________________________________________________________ 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 40.3113 0.000210696 0 165.638 1.54130 ============================== Variances and Principal Axes 1 2 1.3229E-02| -0.0008 -1.0000 5.3464E+03| -1.0000 0.0008 ------------------------------ ======================== Covariance Matrix 1 2 5.346e+03 -4.234e+00 -4.234e+00 1.658e-02 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 165.638 +/- 73.1187 2 1 bremss norm 1.54130 +/- 0.128768 ________________________________________________________________________ Fit statistic : Chi-Squared 40.31 using 59 bins. Test statistic : Chi-Squared 40.31 using 59 bins. Null hypothesis probability of 9.54e-01 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 40.3109 8.11407e-06 0 165.539 1.54339 ============================== Variances and Principal Axes 1 2 1.3265E-02| -0.0008 -1.0000 5.0809E+03| -1.0000 0.0008 ------------------------------ ======================== Covariance Matrix 1 2 5.081e+03 -4.282e+00 -4.282e+00 1.687e-02 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 165.539 +/- 71.2801 2 1 bremss norm 1.54339 +/- 0.129899 ________________________________________________________________________ Fit statistic : Chi-Squared 40.31 using 59 bins. Test statistic : Chi-Squared 40.31 using 59 bins. Null hypothesis probability of 9.54e-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 22 22:10:39 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: sw00980210000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: sw00980210000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00980210000b_avg.pha Net count rate (cts/s) for Spectrum:1 4.788e-02 +/- 3.560e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 17.15 sec Using fit statistic: chi Using Response (RMF) File sw00980210000b_avg.rsp for Source 1 Spectral data counts: 0.820981 Model predicted rate: 4.61747E-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 165.539 +/- 71.2801 2 1 bremss norm 1.54339 +/- 0.129899 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 40.31 using 59 bins. Test statistic : Chi-Squared 40.31 using 59 bins. Null hypothesis probability of 9.54e-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 0.12631 photons (3.9277e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.000 - 0.1389 (0.000 - 4.298e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.13044 photons (7.3814e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.000 - 0.1390 (0.000 - 7.863e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.11354 photons (1.5152e-08 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.000 - 0.1291 (0.000 - 1.735e-08) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.37028 photons (2.6461e-08 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.000 - 0.3960 (0.000 - 2.895e-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: 0.142698 *** Parameter upper bound is INVALID. 1 87.7725 0 (-77.7832,-165.556) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 1.34154 1.80128 (-0.201914,0.257828) 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] : 165.539 (-77.7832 -165.556) Norm : 1.54339 (-0.201914 0.257828) ------------------------------------------------------------ Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 6.736e-08 3.686e-08 25- 50 1.266e-07 6.743e-08 50-150 2.599e-07 1.488e-07 15-150 4.538e-07 2.482e-07