XSPEC version: 12.9.1 Build Date/Time: Wed Apr 5 16:20:24 2017 XSPEC12>query no XSPEC12>data 1:1 sw00764204000b_avg.pha 1 spectrum in use Spectral Data File: sw00764204000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 1.812e-02 +/- 1.767e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 109.2 sec Using fit statistic: chi Using test statistic: chi No response loaded. ***Warning! One or more spectra are missing responses, and are not suitable for fit. XSPEC12>response 1 sw00764204000b_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 = 200.33 using 59 PHA bins. Test statistic : Chi-Squared = 200.33 using 59 PHA bins. Reduced chi-squared = 3.5145 for 57 degrees of freedom Null hypothesis probability = 7.905963e-18 Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 144.395 1.35152 -3 16.5517 0.787529 114.775 14.8963 -4 60.0713 0.290903 67.4546 65.3805 -5 199.339 0.359957 50.9591 50.8741 -6 199.357 0.512497 50.9589 3.19394 -7 199.363 0.512500 ============================== Variances and Principal Axes 1 2 2.2637E+04| -1.0000 0.0001 1.5996E-03| -0.0001 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 2.264e+04 -1.856e+00 -1.856e+00 1.752e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 150.457 2 1 bremss norm 0.512500 +/- 4.18552E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 50.96 using 59 PHA bins. Test statistic : Chi-Squared = 50.96 using 59 PHA bins. Reduced chi-squared = 0.8940 for 57 degrees of freedom Null hypothesis probability = 6.998834e-01 XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 50.8937 0.0027992 1 199.363 0.522714 ============================== Variances and Principal Axes 1 2 2.1867E+04| -1.0000 0.0001 1.5996E-03| -0.0001 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 2.187e+04 -1.825e+00 -1.825e+00 1.752e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 147.873 2 1 bremss norm 0.522714 +/- 4.18551E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 50.89 using 59 PHA bins. Test statistic : Chi-Squared = 50.89 using 59 PHA bins. Reduced chi-squared = 0.8929 for 57 degrees of freedom Null hypothesis probability = 7.021682e-01 XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 50.8937 0.00279917 6 199.363 0.522714 ============================== Variances and Principal Axes 1 2 2.1867E+04| -1.0000 0.0001 1.5996E-03| -0.0001 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 2.187e+04 -1.824e+00 -1.824e+00 1.752e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 147.874 2 1 bremss norm 0.522714 +/- 4.18547E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 50.89 using 59 PHA bins. Test statistic : Chi-Squared = 50.89 using 59 PHA bins. Reduced chi-squared = 0.8929 for 57 degrees of freedom Null hypothesis probability = 7.021682e-01 XSPEC12>log bat_spec_brems.log Logging to file:bat_spec_brems.log XSPEC12>show XSPEC version: 12.9.1 Tue Aug 15 16:29:05 2017 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 Always calculate parameter derivatives using full (slower) numerical differentiation: No 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-unknown-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: sw00764204000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: sw00764204000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00764204000b_avg.pha Net count rate (cts/s) for Spectrum:1 1.587e-02 +/- 1.237e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 109.2 sec Using fit statistic: chi Using test statistic: chi Using Response (RMF) File sw00764204000b_avg.rsp for Source 1 Spectral data counts: 1.73324 Model predicted rate: 1.56749E-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 +/- 147.874 2 1 bremss norm 0.522714 +/- 4.18547E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared = 50.89 using 59 PHA bins. Test statistic : Chi-Squared = 50.89 using 59 PHA bins. Reduced chi-squared = 0.8929 for 57 degrees of freedom Null hypothesis probability = 7.021682e-01 Weighting method: standard XSPEC12>flux 15.0 25.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.04183 photons (1.3016e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.000 - 0.04687 (0.000 - 1.457e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.044164 photons (2.5038e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.000 - 0.04881 (0.000 - 2.767e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.040745 photons (5.4913e-09 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.000 - 0.04527 (0.000 - 6.101e-09) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.12674 photons (9.2968e-09 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.000 - 0.1415 (0.000 - 1.038e-08) (90.00% confidence) XSPEC12>error 1 Parameter Confidence Range (2.706) Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 50.883 0.00213348 0 200.000 0.522580 50.883 0.0229842 2 200.000 0.522580 ============================== Variances and Principal Axes 1 2 3.8283E+04| -1.0000 0.0001 1.5991E-03| -0.0001 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 3.828e+04 -2.399e+00 -2.399e+00 1.749e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 200.000 +/- 195.660 2 1 bremss norm 0.522580 +/- 4.18267E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 50.88 using 59 PHA bins. Test statistic : Chi-Squared = 50.88 using 59 PHA bins. Reduced chi-squared = 0.8927 for 57 degrees of freedom Null hypothesis probability = 7.025418e-01 ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 200, with delta statistic: 0.0106805 *** Parameter lower bound is INVALID. ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 1.63312e+16, with delta statistic: 0 *** Parameter upper bound is INVALID. 1 128.398 0 (-71.6019,-200) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 0.456871 0.588435 (-0.0657819,0.0657819) 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 (-71.6019 -200) Norm : 0.522580 (-0.0657819 0.0657819) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 50.88 using 59 PHA bins. # Reduced chi-squared = 0.8927 for 57 degrees of freedom # Null hypothesis probability = 7.025418e-01 Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 1.421e-07 7.955e-08 25- 50 2.734e-07 1.511e-07 50-150 5.996e-07 3.331e-07 15-150 1.015e-06 5.667e-07