XSPEC version: 12.12.1 Build Date/Time: Tue Mar 15 11:46:30 2022 XSPEC12>query no XSPEC12>data 1:1 sw01061554000b_avg.pha 1 spectrum in use Spectral Data File: sw01061554000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 4.470e-03 +/- 1.110e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 432.3 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 sw01061554000b_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 65.12 using 59 bins. Test statistic : Chi-Squared 65.12 using 59 bins. Null hypothesis probability of 2.15e-01 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 55.2331 0.232623 -3 21.5823 0.261219 51.3346 16.0666 -2 49.8386 0.0636215 50.3395 51.5155 -2 199.318 0.0424529 39.4651 88.8192 -3 199.349 0.102228 39.4645 2.14051 -4 199.362 0.102291 ============================== Variances and Principal Axes 1 2 3.4481E-04| 0.0000 1.0000 1.2700E+05| 1.0000 -0.0000 ------------------------------ ======================== Covariance Matrix 1 2 1.270e+05 -1.482e+00 -1.482e+00 3.621e-04 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.362 +/- 356.372 2 1 bremss norm 0.102291 +/- 1.90291E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 39.46 using 59 bins. Test statistic : Chi-Squared 39.46 using 59 bins. Null hypothesis probability of 9.63e-01 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 39.4587 0.000481472 0 199.363 0.103693 ============================== Variances and Principal Axes 1 2 3.4481E-04| 0.0000 1.0000 1.2459E+05| 1.0000 -0.0000 ------------------------------ ======================== Covariance Matrix 1 2 1.246e+05 -1.468e+00 -1.468e+00 3.621e-04 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 352.971 2 1 bremss norm 0.103693 +/- 1.90290E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 39.46 using 59 bins. Test statistic : Chi-Squared 39.46 using 59 bins. Null hypothesis probability of 9.63e-01 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 39.4587 0.000481278 0 199.363 0.103693 ============================== Variances and Principal Axes 1 2 3.4481E-04| 0.0000 1.0000 1.2469E+05| 1.0000 -0.0000 ------------------------------ ======================== Covariance Matrix 1 2 1.247e+05 -1.469e+00 -1.469e+00 3.621e-04 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 353.113 2 1 bremss norm 0.103693 +/- 1.90290E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 39.46 using 59 bins. Test statistic : Chi-Squared 39.46 using 59 bins. Null hypothesis probability of 9.63e-01 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 Sat Jul 30 06:53:17 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: sw01061554000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1061554/remake_spec_cflux/spec_T100/sw01061554000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw01061554000b_avg.pha Net count rate (cts/s) for Spectrum:1 3.194e-03 +/- 5.994e-04 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 432.3 sec Using fit statistic: chi Using Response (RMF) File sw01061554000b_avg.rsp for Source 1 Spectral data counts: 1.38067 Model predicted rate: 3.26460E-03 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 +/- 353.113 2 1 bremss norm 0.103693 +/- 1.90290E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 39.46 using 59 bins. Test statistic : Chi-Squared 39.46 using 59 bins. Null hypothesis probability of 9.63e-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 0.008298 photons (2.582e-10 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.000 - 0.01048 (0.000 - 3.258e-10) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.0087611 photons (4.967e-10 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.000 - 0.01048 (0.000 - 5.942e-10) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.0080828 photons (1.0893e-09 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.000 - 0.009682 (0.000 - 1.305e-09) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.025142 photons (1.8442e-09 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.000 - 0.03037 (0.000 - 2.228e-09) (90.00% confidence) XSPEC12>error 1 Parameter Confidence Range (2.706) ***Warning: Zero alpha-matrix diagonal element for parameter 2 Parameter 2 is pegged at 0.103693 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. Fit error occurred during lower bound error calculation. ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 200, with delta statistic: 0 *** Parameter upper bound is INVALID. 1 0 0 (-199.363,-199.363) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 0.0731585 0.13425 (-0.0305459,0.030546) 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] : 199.363 (-199.363 -199.363) Norm : 0.103693 (-0.0305459 0.030546) ------------------------------------------------------------ #Fit statistic : Chi-Squared 39.46 using 59 bins. Reduced chi-squared = # Null hypothesis probability of 9.63e-01 with 57 degrees of freedom Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 1.116e-07 7.042e-08 25- 50 2.147e-07 1.284e-07 50-150 4.709e-07 2.821e-07 15-150 7.972e-07 4.816e-07