XSPEC version: 12.12.1 Build Date/Time: Tue Mar 15 11:46:30 2022 XSPEC12>query no XSPEC12>data 1:1 sw00998344000b_avg.pha 1 spectrum in use Spectral Data File: sw00998344000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 6.434e-02 +/- 7.121e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 18.3 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 sw00998344000b_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 221.24 using 59 bins. Test statistic : Chi-Squared 221.24 using 59 bins. Null hypothesis probability of 3.37e-21 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 180.918 0.541453 -3 20.3650 4.11099 121.58 2.85832 -4 64.6221 1.53960 83.1258 7.20575 0 197.213 1.55825 78.9064 7.49251 -1 199.293 1.73253 78.771 4.10079 -2 199.338 1.74070 78.7657 3.9413 -2 199.359 1.74093 ============================== Variances and Principal Axes 1 2 2.5587E-02| 0.0003 1.0000 2.9670E+04| 1.0000 -0.0003 ------------------------------ ======================== Covariance Matrix 1 2 2.967e+04 -7.535e+00 -7.535e+00 2.750e-02 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.359 +/- 172.250 2 1 bremss norm 1.74093 +/- 0.165834 ________________________________________________________________________ Fit statistic : Chi-Squared 78.77 using 59 bins. Test statistic : Chi-Squared 78.77 using 59 bins. Null hypothesis probability of 2.97e-02 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 77.1791 0.0149588 0 199.362 1.94083 ============================== Variances and Principal Axes 1 2 2.5587E-02| 0.0003 1.0000 2.4209E+04| 1.0000 -0.0003 ------------------------------ ======================== Covariance Matrix 1 2 2.421e+04 -6.805e+00 -6.805e+00 2.750e-02 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.362 +/- 155.592 2 1 bremss norm 1.94083 +/- 0.165831 ________________________________________________________________________ Fit statistic : Chi-Squared 77.18 using 59 bins. Test statistic : Chi-Squared 77.18 using 59 bins. Null hypothesis probability of 3.88e-02 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 77.1789 0.0149413 1 199.363 1.94238 ============================== Variances and Principal Axes 1 2 2.5587E-02| 0.0003 1.0000 2.4265E+04| 1.0000 -0.0003 ------------------------------ ======================== Covariance Matrix 1 2 2.427e+04 -6.812e+00 -6.812e+00 2.750e-02 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 155.773 2 1 bremss norm 1.94238 +/- 0.165829 ________________________________________________________________________ Fit statistic : Chi-Squared 77.18 using 59 bins. Test statistic : Chi-Squared 77.18 using 59 bins. Null hypothesis probability of 3.88e-02 with 57 degrees of freedom XSPEC12>log bat_spec_brems.log Logging to file:bat_spec_brems.log XSPEC12>show XSPEC version: 12.12.1 Thu Oct 20 00:47:08 2022 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: sw00998344000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger998344/remake_spec_cflux/spec_T100/sw00998344000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00998344000b_avg.pha Net count rate (cts/s) for Spectrum:1 5.740e-02 +/- 4.817e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 18.3 sec Using fit statistic: chi Using Response (RMF) File sw00998344000b_avg.rsp for Source 1 Spectral data counts: 1.05062 Model predicted rate: 5.73596E-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 +/- 155.773 2 1 bremss norm 1.94238 +/- 0.165829 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 77.18 using 59 bins. Test statistic : Chi-Squared 77.18 using 59 bins. Null hypothesis probability of 3.88e-02 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 0.15544 photons (4.8367e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.000 - 0.1754 (0.000 - 5.457e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.16411 photons (9.3041e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.000 - 0.1838 (0.000 - 1.042e-08) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.15141 photons (2.0406e-08 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.000 - 0.1684 (0.000 - 2.269e-08) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.47096 photons (3.4546e-08 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.000 - 0.5298 (0.000 - 3.886e-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 77.1219 0.0122957 0 200.000 1.94093 77.1218 0.0621881 0 200.000 1.94172 77.1218 0.0192036 2 200.000 1.94172 ============================== Variances and Principal Axes 1 2 2.5580E-02| 0.0002 1.0000 4.2538E+04| 1.0000 -0.0002 ------------------------------ ======================== Covariance Matrix 1 2 4.254e+04 -8.959e+00 -8.959e+00 2.747e-02 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 200.000 +/- 206.248 2 1 bremss norm 1.94172 +/- 0.165731 ________________________________________________________________________ Fit statistic : Chi-Squared 77.12 using 59 bins. Test statistic : Chi-Squared 77.12 using 59 bins. Null hypothesis probability of 3.92e-02 with 57 degrees of freedom ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 199.363, with delta statistic: 0.0571128 *** 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. 1 173.306 0 (-26.6935,-200) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 1.67942 2.20561 (-0.263097,0.263097) 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 (-26.6935 -200) Norm : 1.94172 (-0.263097 0.263097) ------------------------------------------------------------ #Fit statistic : Chi-Squared 77.12 using 59 bins. Reduced chi-squared = # Null hypothesis probability of 3.92e-02 with 57 degrees of freedom Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 8.851e-08 4.993e-08 25- 50 1.703e-07 9.534e-08 50-150 3.734e-07 2.076e-07 15-150 6.322e-07 3.556e-07