XSPEC version: 12.13.1 Build Date/Time: Thu Jul 20 16:52:54 2023 XSPEC12>query no XSPEC12>data 1:1 sw01175438000b_avg.pha 1 spectrum in use Spectral Data File: sw01175438000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 2.039e-02 +/- 1.520e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 134.8 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 sw01175438000b_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 362.66 using 59 bins. Test statistic : Chi-Squared 362.66 using 59 bins. Null hypothesis probability of 4.68e-46 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 248.874 2.66084 -3 20.8176 1.68381 214.372 37.9697 -4 47.5022 0.308191 213.366 109.535 -3 197.946 0.183659 52.8943 202.186 -4 199.278 0.562491 52.8763 9.45505 -5 199.330 0.562886 52.8743 9.25249 -6 199.354 0.562900 ============================== Variances and Principal Axes 1 2 9.8244E-04| 0.0001 1.0000 1.1430E+04| 1.0000 -0.0001 ------------------------------ ======================== Covariance Matrix 1 2 1.143e+04 -9.326e-01 -9.326e-01 1.059e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.354 +/- 106.912 2 1 bremss norm 0.562900 +/- 3.25352E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 52.87 using 59 bins. Test statistic : Chi-Squared 52.87 using 59 bins. Null hypothesis probability of 6.31e-01 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 52.5381 0.00996065 0 199.361 0.580925 ============================== Variances and Principal Axes 1 2 9.8243E-04| 0.0001 1.0000 1.0923E+04| 1.0000 -0.0001 ------------------------------ ======================== Covariance Matrix 1 2 1.092e+04 -9.116e-01 -9.116e-01 1.059e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.361 +/- 104.511 2 1 bremss norm 0.580925 +/- 3.25347E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 52.54 using 59 bins. Test statistic : Chi-Squared 52.54 using 59 bins. Null hypothesis probability of 6.43e-01 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 52.538 0.00993196 0 199.363 0.580924 ============================== Variances and Principal Axes 1 2 9.8243E-04| 0.0001 1.0000 1.0985E+04| 1.0000 -0.0001 ------------------------------ ======================== Covariance Matrix 1 2 1.099e+04 -9.140e-01 -9.140e-01 1.058e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 104.810 2 1 bremss norm 0.580924 +/- 3.25343E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 52.54 using 59 bins. Test statistic : Chi-Squared 52.54 using 59 bins. Null hypothesis probability of 6.43e-01 with 57 degrees of freedom XSPEC12>log bat_spec_brems.log Logging to file:bat_spec_brems.log XSPEC12>show XSPEC version: 12.13.1 Sat Sep 30 00:48:20 2023 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: sw01175438000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1175438/remake_spec_cflux/spec_T100/sw01175438000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw01175438000b_avg.pha Net count rate (cts/s) for Spectrum:1 1.823e-02 +/- 1.020e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 134.8 sec Using fit statistic: chi Using Response (RMF) File sw01175438000b_avg.rsp for Source 1 Spectral data counts: 2.45746 Model predicted rate: 1.83537E-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 +/- 104.810 2 1 bremss norm 0.580924 +/- 3.25343E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 52.54 using 59 bins. Test statistic : Chi-Squared 52.54 using 59 bins. Null hypothesis probability of 6.43e-01 with 57 degrees of freedom Bayes is off XSPEC12>flux 15.0 25.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.046488 photons (1.4466e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.03891 - 0.05119 (1.211e-09 - 1.593e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.049082 photons (2.7827e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.03054 - 0.05339 (1.672e-09 - 3.027e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.045283 photons (6.1028e-09 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.004295 - 0.04883 (4.588e-10 - 6.578e-09) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.14085 photons (1.0332e-08 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.06350 - 0.1518 (2.847e-09 - 1.114e-08) (90.00% confidence) XSPEC12>error 1 Parameter Confidence Range (2.706) renorm: no renormalization necessary Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 52.5 0.00836257 0 200.000 0.580896 52.5 0.124137 0 200.000 0.580957 52.5 0.0319202 2 200.000 0.580957 ============================== Variances and Principal Axes 1 2 9.8217E-04| 0.0001 1.0000 1.9264E+04| 1.0000 -0.0001 ------------------------------ ======================== Covariance Matrix 1 2 1.926e+04 -1.202e+00 -1.202e+00 1.057e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 200.000 +/- 138.794 2 1 bremss norm 0.580957 +/- 3.25141E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 52.50 using 59 bins. Test statistic : Chi-Squared 52.50 using 59 bins. Null hypothesis probability of 6.44e-01 with 57 degrees of freedom ***Warning: New best fit found, fit parameters will be set to new values. ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 199.363, with delta statistic: 0.037895 *** 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. 1 165.419 0 (-34.5814,-200) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 0.529464 0.632571 (-0.0515533,0.0515533) 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 (-34.5814 -200) Norm : 0.580957 (-0.0515533 0.0515533) ------------------------------------------------------------ #Fit statistic : Chi-Squared 52.50 using 59 bins. Reduced chi-squared = # Null hypothesis probability of 6.44e-01 with 57 degrees of freedom Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 1.950e-07 2.575e-08 25- 50 3.751e-07 9.133e-08 50-150 8.227e-07 4.124e-07 15-150 1.393e-06 5.589e-07