XSPEC version: 12.9.1 Build Date/Time: Wed Jan 18 19:50:28 2017 [?1034hXSPEC12>query no XSPEC12>data 1:1 sw00736108000b_avg.pha 1 spectrum in use Spectral Data File: sw00736108000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 1.995e-01 +/- 2.010e-02 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 6 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 sw00736108000b_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 = 169.50 using 59 PHA bins. Test statistic : Chi-Squared = 169.50 using 59 PHA bins. Reduced chi-squared = 2.9737 for 57 degrees of freedom Null hypothesis probability = 4.224735e-13 Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 135.553 0.805763 -3 19.3947 21.2114 129.19 1.58384 -4 43.8811 2.18113 96.3414 4.04245 -1 198.714 2.27938 44.8117 6.36944 -2 199.342 5.89471 44.6975 0.752829 -3 199.360 5.93396 44.6971 0.691814 -3 199.363 5.93409 ============================== Variances and Principal Axes 1 2 2.9551E+04| -1.0000 0.0012 3.2175E-01| -0.0012 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 2.955e+04 -3.639e+01 -3.639e+01 3.666e-01 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 171.904 2 1 bremss norm 5.93409 +/- 0.605440 ________________________________________________________________________ Fit statistic : Chi-Squared = 44.70 using 59 PHA bins. Test statistic : Chi-Squared = 44.70 using 59 PHA bins. Reduced chi-squared = 0.7842 for 57 degrees of freedom Null hypothesis probability = 8.817539e-01 XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 44.0815 0.00657526 1 199.363 6.37908 ============================== Variances and Principal Axes 1 2 2.5615E+04| -1.0000 0.0013 3.2175E-01| -0.0013 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 2.562e+04 -3.388e+01 -3.388e+01 3.666e-01 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 160.048 2 1 bremss norm 6.37908 +/- 0.605434 ________________________________________________________________________ Fit statistic : Chi-Squared = 44.08 using 59 PHA bins. Test statistic : Chi-Squared = 44.08 using 59 PHA bins. Reduced chi-squared = 0.7734 for 57 degrees of freedom Null hypothesis probability = 8.947089e-01 XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 44.0815 0.0065738 1 199.363 6.37907 ============================== Variances and Principal Axes 1 2 2.5627E+04| -1.0000 0.0013 3.2175E-01| -0.0013 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 2.563e+04 -3.388e+01 -3.388e+01 3.665e-01 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 160.084 2 1 bremss norm 6.37907 +/- 0.605433 ________________________________________________________________________ Fit statistic : Chi-Squared = 44.08 using 59 PHA bins. Test statistic : Chi-Squared = 44.08 using 59 PHA bins. Reduced chi-squared = 0.7734 for 57 degrees of freedom Null hypothesis probability = 8.947090e-01 XSPEC12>log bat_spec_brems.log Logging to file:bat_spec_brems.log XSPEC12>show XSPEC version: 12.9.1 Tue Mar 7 17:45:07 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: sw00736108000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: sw00736108000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00736108000b_avg.pha Net count rate (cts/s) for Spectrum:1 1.777e-01 +/- 1.563e-02 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 6 sec Using fit statistic: chi Using test statistic: chi Using Response (RMF) File sw00736108000b_avg.rsp for Source 1 Spectral data counts: 1.06607 Model predicted rate: 0.170474 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 +/- 160.084 2 1 bremss norm 6.37907 +/- 0.605433 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared = 44.08 using 59 PHA bins. Test statistic : Chi-Squared = 44.08 using 59 PHA bins. Reduced chi-squared = 0.7734 for 57 degrees of freedom Null hypothesis probability = 8.947090e-01 Weighting method: standard XSPEC12>flux 15.0 25.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.51048 photons (1.5884e-08 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.000 - 0.5833 (0.000 - 1.811e-08) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.53897 photons (3.0556e-08 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.000 - 0.6073 (0.000 - 3.443e-08) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.49725 photons (6.7015e-08 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.000 - 0.5638 (0.000 - 7.595e-08) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 1.5467 photons (1.1346e-07 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.000 - 1.729 (0.000 - 1.268e-07) (90.00% confidence) XSPEC12>error 1 Parameter Confidence Range (2.706) Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 44.0564 0.00539734 0 200.000 6.37545 44.0564 0.00686345 2 200.000 6.37545 ============================== Variances and Principal Axes 1 2 4.4899E+04| -1.0000 0.0010 3.2162E-01| -0.0010 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 4.490e+04 -4.464e+01 -4.464e+01 3.660e-01 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 200.000 +/- 211.895 2 1 bremss norm 6.37545 +/- 0.604991 ________________________________________________________________________ Fit statistic : Chi-Squared = 44.06 using 59 PHA bins. Test statistic : Chi-Squared = 44.06 using 59 PHA bins. Reduced chi-squared = 0.7729 for 57 degrees of freedom Null hypothesis probability = 8.952172e-01 ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 200, with delta statistic: 0.0251076 *** 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. 1 151.334 0 (-48.6659,-200) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 5.4456 7.31141 (-0.932905,0.932905) 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 (-48.6659 -200) Norm : 6.37545 (-0.932905 0.932905) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 44.06 using 59 PHA bins. # Reduced chi-squared = 0.7729 for 57 degrees of freedom # Null hypothesis probability = 8.952172e-01 Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 9.530e-08 5.433e-08 25- 50 1.833e-07 1.033e-07 50-150 4.021e-07 2.279e-07 15-150 6.808e-07 3.804e-07