XSPEC version: 12.11.0 Build Date/Time: Mon Apr 13 12:38:19 2020 XSPEC12>query no XSPEC12>data 1:1 sw00952791000b_avg.pha 1 spectrum in use Spectral Data File: sw00952791000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 1.767e-02 +/- 1.748e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 237.2 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 sw00952791000b_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 258.61 using 59 bins. Test statistic : Chi-Squared 258.61 using 59 bins. Null hypothesis probability of 1.81e-27 with 57 degrees of freedom Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 149.581 2.4496 -2 14.9840 1.66197 83.8226 3.51992 -3 38.0532 0.821755 72.2776 7.92195 -1 61.6975 0.566710 52.9774 32.4779 -2 195.289 0.504669 51.2994 20.3383 0 192.215 0.532179 51.2005 10.2154 0 191.489 0.534668 51.1165 9.33436 0 190.523 0.536946 51.0444 8.55197 0 189.266 0.539037 50.9818 7.86463 0 187.674 0.540963 50.9271 7.26955 0 185.743 0.542745 ============================== Variances and Principal Axes 1 2 1.3384E-03| -0.0002 -1.0000 5.8377E+03| -1.0000 0.0002 ------------------------------ ======================== Covariance Matrix 1 2 5.838e+03 -1.230e+00 -1.230e+00 1.598e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 185.743 +/- 76.4049 2 1 bremss norm 0.542745 +/- 3.99708E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 50.93 using 59 bins. Test statistic : Chi-Squared 50.93 using 59 bins. Null hypothesis probability of 7.01e-01 with 57 degrees of freedom XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 50.6238 0.00214194 0 177.342 0.560909 50.5989 0.80097 0 168.401 0.561127 50.596 1.74234 0 167.980 0.561559 ============================== Variances and Principal Axes 1 2 1.3639E-03| -0.0003 -1.0000 3.8526E+03| -1.0000 0.0003 ------------------------------ ======================== Covariance Matrix 1 2 3.853e+03 -1.303e+00 -1.303e+00 1.804e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 167.980 +/- 62.0696 2 1 bremss norm 0.561559 +/- 4.24786E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 50.60 using 59 bins. Test statistic : Chi-Squared 50.60 using 59 bins. Null hypothesis probability of 7.13e-01 with 57 degrees of freedom XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 50.5786 0.000546547 0 163.252 0.566033 ============================== Variances and Principal Axes 1 2 1.3646E-03| -0.0003 -1.0000 3.7568E+03| -1.0000 0.0003 ------------------------------ ======================== Covariance Matrix 1 2 3.757e+03 -1.293e+00 -1.293e+00 1.810e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 163.252 +/- 61.2927 2 1 bremss norm 0.566033 +/- 4.25406E-02 ________________________________________________________________________ Fit statistic : Chi-Squared 50.58 using 59 bins. Test statistic : Chi-Squared 50.58 using 59 bins. Null hypothesis probability of 7.13e-01 with 57 degrees of freedom XSPEC12>log bat_spec_brems.log Logging to file:bat_spec_brems.log XSPEC12>show XSPEC version: 12.11.0 Mon Jun 1 00:34:12 2020 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: sw00952791000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: sw00952791000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00952791000b_avg.pha Net count rate (cts/s) for Spectrum:1 1.603e-02 +/- 1.055e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 237.2 sec Using fit statistic: chi Using Response (RMF) File sw00952791000b_avg.rsp for Source 1 Spectral data counts: 3.80345 Model predicted rate: 1.55771E-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 163.252 +/- 61.2927 2 1 bremss norm 0.566033 +/- 4.25406E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared 50.58 using 59 bins. Test statistic : Chi-Squared 50.58 using 59 bins. Null hypothesis probability of 7.13e-01 with 57 degrees of freedom XSPEC12>flux 15.0 25.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.04639 photons (1.4425e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.001956 - 0.05045 (5.594e-11 - 1.561e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.047823 photons (2.7058e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.000 - 0.05126 (0.000 - 2.906e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.04143 photons (5.5247e-09 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.000 - 0.04657 (0.000 - 6.276e-09) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.13564 photons (9.673e-09 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.000 - 0.1462 (0.000 - 1.072e-08) (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: 0.249342 *** Parameter upper bound is INVALID. 1 96.8781 0 (-66.7474,-163.626) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 0.500898 0.645432 (-0.0667063,0.0778279) 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] : 163.252 (-66.7474 -163.626) Norm : 0.566033 (-0.0667063 0.0778279) ------------------------------------------------------------ Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 3.422e-07 1.785e-07 25- 50 6.418e-07 3.447e-07 50-150 1.310e-06 7.443e-07 15-150 2.294e-06 1.271e-06