XSPEC version: 12.13.1 Build Date/Time: Thu Jul 20 16:52:54 2023 [?1034hXSPEC12>query no XSPEC12>data 1:1 sw01228797000b_avg.pha 1 spectrum in use Spectral Data File: sw01228797000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 2.500e-02 +/- 1.810e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 117.2 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 sw01228797000b_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 361.34 using 59 bins. Test statistic : Chi-Squared 361.34 using 59 bins. Null hypothesis probability of 8.17e-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 284.643 1.56695 -2 14.8692 1.91091 233.334 3.24006 -3 47.0656 0.496795 198.017 49.559 -1 199.058 0.314938 98.1879 106.645 -2 199.265 0.691192 97.8164 25.9753 -3 199.337 0.694716 97.8081 25.2192 -3 199.353 0.694775 ============================== Variances and Principal Axes 1 2 2.3316E-03| 0.0002 1.0000 1.5263E+04| 1.0000 -0.0002 ------------------------------ ======================== Covariance Matrix 1 2 1.526e+04 -2.926e+00 -2.926e+00 2.892e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.353 +/- 123.544 2 1 bremss norm 0.694775 +/- 5.37804E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 97.81 using 59 bins. Test statistic : Chi-Squared 97.81 using 59 bins. Null hypothesis probability of 6.27e-04 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 91.8817 0.0233728 0 199.361 0.811530 ============================== Variances and Principal Axes 1 2 2.3316E-03| 0.0002 1.0000 1.1302E+04| 1.0000 -0.0002 ------------------------------ ======================== Covariance Matrix 1 2 1.130e+04 -2.517e+00 -2.517e+00 2.892e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.361 +/- 106.313 2 1 bremss norm 0.811530 +/- 5.37792E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 91.88 using 59 bins. Test statistic : Chi-Squared 91.88 using 59 bins. Null hypothesis probability of 2.34e-03 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 91.8814 0.0233018 0 199.363 0.811529 ============================== Variances and Principal Axes 1 2 2.3315E-03| 0.0002 1.0000 1.1371E+04| 1.0000 -0.0002 ------------------------------ ======================== Covariance Matrix 1 2 1.137e+04 -2.525e+00 -2.525e+00 2.892e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 106.636 2 1 bremss norm 0.811529 +/- 5.37779E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 91.88 using 59 bins. Test statistic : Chi-Squared 91.88 using 59 bins. Null hypothesis probability of 2.34e-03 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 Nov 16 17:47:56 2024 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/release6.32/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: sw01228797000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1228797/remake_spec_cflux/spec_T100/sw01228797000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw01228797000b_avg.pha Net count rate (cts/s) for Spectrum:1 2.318e-02 +/- 1.459e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 117.2 sec Using fit statistic: chi Using Response (RMF) File sw01228797000b_avg.rsp for Source 1 Spectral data counts: 2.71779 Model predicted rate: 2.30205E-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 +/- 106.636 2 1 bremss norm 0.811529 +/- 5.37779E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 91.88 using 59 bins. Test statistic : Chi-Squared 91.88 using 59 bins. Null hypothesis probability of 2.34e-03 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 0.064942 photons (2.0208e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.05243 - 0.07203 (1.612e-09 - 2.237e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.068566 photons (3.8873e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.03596 - 0.07440 (1.951e-09 - 4.218e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.063258 photons (8.5254e-09 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.001773 - 0.06838 (1.778e-10 - 9.215e-09) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.19677 photons (1.4433e-08 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.02557 - 0.2158 (8.834e-10 - 1.583e-08) (90.00% confidence) XSPEC12>error 1 Parameter Confidence Range (2.706) Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 91.7922 0.019632 0 200.000 0.811478 91.792 0.323467 0 200.000 0.811855 91.792 0.0827541 2 200.000 0.811855 ============================== Variances and Principal Axes 1 2 2.3303E-03| 0.0002 1.0000 1.9959E+04| 1.0000 -0.0002 ------------------------------ ======================== Covariance Matrix 1 2 1.996e+04 -3.333e+00 -3.333e+00 2.887e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 200.000 +/- 141.275 2 1 bremss norm 0.811855 +/- 5.37297E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 91.79 using 59 bins. Test statistic : Chi-Squared 91.79 using 59 bins. Null hypothesis probability of 2.38e-03 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: 0.0890686 *** 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. 1 181.873 0 (-18.1269,-200) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 0.732823 0.891642 (-0.0794095,0.0794095) 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 (-18.1269 -200) Norm : 0.811855 (-0.0794095 0.0794095) ------------------------------------------------------------ #Fit statistic : Chi-Squared 91.79 using 59 bins. Reduced chi-squared = # Null hypothesis probability of 2.38e-03 with 57 degrees of freedom Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 2.368e-07 3.662e-08 25- 50 4.556e-07 1.328e-07 50-150 9.992e-07 5.296e-07 15-150 1.692e-06 8.759e-07