XSPEC version: 12.13.1 Build Date/Time: Thu Jul 20 16:52:54 2023 XSPEC12>query no XSPEC12>data 1:1 sw01245074000b_avg.pha 1 spectrum in use Spectral Data File: sw01245074000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 1.367e-02 +/- 1.280e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 207.9 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 sw01245074000b_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 292.78 using 59 bins. Test statistic : Chi-Squared 292.78 using 59 bins. Null hypothesis probability of 2.02e-33 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 235.873 2.65236 -3 19.4520 1.53293 121.895 61.5591 -4 37.6273 0.427896 93.3012 54.582 -1 75.4020 0.321681 65.459 84.1612 -2 198.363 0.357490 64.5326 22.2813 0 194.326 0.370804 64.4438 10.4562 0 191.372 0.371878 64.302 9.81481 0 183.911 0.372889 64.141 9.86529 0 161.942 0.373904 64.077 12.8204 0 166.963 0.375204 64.0355 10.6218 0 159.615 0.376288 ============================== Variances and Principal Axes 1 2 5.5720E-04| 0.0002 1.0000 3.6007E+03| 1.0000 -0.0002 ------------------------------ ======================== Covariance Matrix 1 2 3.601e+03 -7.871e-01 -7.871e-01 7.292e-04 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 159.615 +/- 60.0060 2 1 bremss norm 0.376288 +/- 2.70045E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 64.04 using 59 bins. Test statistic : Chi-Squared 64.04 using 59 bins. Null hypothesis probability of 2.43e-01 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 63.7398 0.00192756 1 157.726 0.388898 63.7321 0.464963 1 156.244 0.388904 ============================== Variances and Principal Axes 1 2 5.6389E-04| 0.0003 1.0000 2.8083E+03| 1.0000 -0.0003 ------------------------------ ======================== Covariance Matrix 1 2 2.808e+03 -7.808e-01 -7.808e-01 7.810e-04 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 156.244 +/- 52.9933 2 1 bremss norm 0.388904 +/- 2.79458E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 63.73 using 59 bins. Test statistic : Chi-Squared 63.73 using 59 bins. Null hypothesis probability of 2.52e-01 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 63.7242 0.00134994 1 154.880 0.389848 ============================== Variances and Principal Axes 1 2 5.6511E-04| 0.0003 1.0000 2.7145E+03| 1.0000 -0.0003 ------------------------------ ======================== Covariance Matrix 1 2 2.715e+03 -7.814e-01 -7.814e-01 7.900e-04 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 154.880 +/- 52.1013 2 1 bremss norm 0.389848 +/- 2.81076E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 63.72 using 59 bins. Test statistic : Chi-Squared 63.72 using 59 bins. Null hypothesis probability of 2.52e-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 Oct 19 18:22:03 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: sw01245074000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1245074/remake_spec_cflux/spec_T100/sw01245074000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw01245074000b_avg.pha Net count rate (cts/s) for Spectrum:1 1.198e-02 +/- 7.696e-04 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 207.9 sec Using fit statistic: chi Using Response (RMF) File sw01245074000b_avg.rsp for Source 1 Spectral data counts: 2.48996 Model predicted rate: 1.20737E-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 154.880 +/- 52.1013 2 1 bremss norm 0.389848 +/- 2.81076E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 63.72 using 59 bins. Test statistic : Chi-Squared 63.72 using 59 bins. Null hypothesis probability of 2.52e-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 0.032117 photons (9.9848e-10 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.004287 - 0.03566 (1.256e-10 - 1.104e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.032881 photons (1.8593e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.003892 - 0.03525 (1.982e-10 - 1.998e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.027969 photons (3.7182e-09 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.0001978 - 0.03184 (1.875e-11 - 4.274e-09) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.092966 photons (6.576e-09 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.03149 - 0.1001 (1.285e-09 - 7.309e-09) (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: 0.6922 *** Parameter upper bound is INVALID. 1 95.4063 0 (-58.3554,-153.762) XSPEC12>error 2 Parameter Confidence Range (2.706) ***Warning: Identical values of the parameter give different values of the statistic. Please check your result for the high end of the confidence range. 2 0.347911 0.442581 (-0.0426797,0.0519897) 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] : 154.880 (-58.3554 -153.762) Norm : 0.389848 (-0.0426797 0.0519897) ------------------------------------------------------------ #Fit statistic : Chi-Squared 63.72 using 59 bins. Reduced chi-squared = # Null hypothesis probability of 2.52e-01 with 57 degrees of freedom Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 2.076e-07 1.017e-07 25- 50 3.865e-07 1.871e-07 50-150 7.730e-07 4.423e-07 15-150 1.367e-06 6.262e-07