XSPEC version: 12.9.1p Build Date/Time: Thu Oct 12 10:37:44 2017 XSPEC12>query no XSPEC12>data 1:1 sw00776347000b_avg.pha 1 spectrum in use Spectral Data File: sw00776347000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 4.097e-02 +/- 2.793e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 126.4 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 sw00776347000b_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 = 623.06 using 59 PHA bins. Test statistic : Chi-Squared = 623.06 using 59 PHA bins. Reduced chi-squared = 10.931 for 57 degrees of freedom Null hypothesis probability = 3.608385e-96 Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 405.967 5.8732 -3 16.5881 1.79555 343.56 24.9741 -4 67.4551 0.531466 61.2192 116.161 -5 199.359 1.19798 57.8459 17.4637 -6 197.267 1.32136 57.0806 3.9781 0 178.565 1.31552 56.872 0.692667 0 159.167 1.31527 56.8508 2.55086 0 165.406 1.31662 56.8441 1.18575 0 160.436 1.31728 ============================== Variances and Principal Axes 1 2 1.3252E+03| -1.0000 0.0010 2.9604E-03| -0.0010 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 1.325e+03 -1.356e+00 -1.356e+00 4.348e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 160.436 +/- 36.4029 2 1 bremss norm 1.31728 +/- 6.59375E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 56.84 using 59 PHA bins. Test statistic : Chi-Squared = 56.84 using 59 PHA bins. Reduced chi-squared = 0.9973 for 57 degrees of freedom Null hypothesis probability = 4.809002e-01 XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 56.7966 0.000933522 1 160.121 1.32906 ============================== Variances and Principal Axes 1 2 1.1846E+03| -1.0000 0.0011 2.9845E-03| -0.0011 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 1.185e+03 -1.347e+00 -1.347e+00 4.517e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 160.121 +/- 34.4180 2 1 bremss norm 1.32906 +/- 6.72086E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 56.80 using 59 PHA bins. Test statistic : Chi-Squared = 56.80 using 59 PHA bins. Reduced chi-squared = 0.9964 for 57 degrees of freedom Null hypothesis probability = 4.826762e-01 XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 56.7958 0.000812694 1 159.846 1.32942 ============================== Variances and Principal Axes 1 2 1.1769E+03| -1.0000 0.0011 2.9861E-03| -0.0011 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 1.177e+03 -1.347e+00 -1.347e+00 4.528e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 159.846 +/- 34.3059 2 1 bremss norm 1.32942 +/- 6.72912E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 56.80 using 59 PHA bins. Test statistic : Chi-Squared = 56.80 using 59 PHA bins. Reduced chi-squared = 0.9964 for 57 degrees of freedom Null hypothesis probability = 4.827079e-01 XSPEC12>log bat_spec_brems.log Logging to file:bat_spec_brems.log XSPEC12>show XSPEC version: 12.9.1p Fri Oct 20 14:55:09 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: sw00776347000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: sw00776347000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00776347000b_avg.pha Net count rate (cts/s) for Spectrum:1 3.737e-02 +/- 1.594e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 126.4 sec Using fit statistic: chi Using test statistic: chi Using Response (RMF) File sw00776347000b_avg.rsp for Source 1 Spectral data counts: 4.72354 Model predicted rate: 3.62640E-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 159.846 +/- 34.3059 2 1 bremss norm 1.32942 +/- 6.72912E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared = 56.80 using 59 PHA bins. Test statistic : Chi-Squared = 56.80 using 59 PHA bins. Reduced chi-squared = 0.9964 for 57 degrees of freedom Null hypothesis probability = 4.827079e-01 Weighting method: standard XSPEC12>flux 15.0 25.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.10919 photons (3.3949e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.09673 - 0.1187 (3.005e-09 - 3.679e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.11225 photons (6.3497e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.08205 - 0.1163 (4.537e-09 - 6.591e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.096545 photons (1.2859e-08 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.03146 - 0.1064 (3.671e-09 - 1.432e-08) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.31798 photons (2.2603e-08 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.2176 - 0.3327 (1.151e-08 - 2.433e-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: 0.972331 *** Parameter upper bound is INVALID. 1 113.969 0 (-45.6378,-159.607) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 1.22606 1.45416 (-0.103956,0.124142) 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] : 159.846 (-45.6378 -159.607) Norm : 1.32942 (-0.103956 0.124142) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 56.80 using 59 PHA bins. # Reduced chi-squared = 0.9964 for 57 degrees of freedom # Null hypothesis probability = 4.827079e-01 Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 4.291e-07 4.260e-08 25- 50 8.026e-07 1.298e-07 50-150 1.625e-06 6.730e-07 15-150 2.857e-06 8.102e-07