XSPEC version: 12.9.0i Build Date/Time: Tue Feb 9 12:39:18 2016 [?1034hXSPEC12>query no XSPEC12>data 1:1 sw00675361000b_avg.pha 1 spectrum in use Spectral Data File: sw00675361000b_avg.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 4.536e-02 +/- 2.146e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 188 sec Using fit statistic: chi Using test statistic: chi No response loaded. ***Warning! One or more spectra are missing responses, and are not suitable for fit. XSPEC12>response 1 sw00675361000b_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 = 1668.09 using 59 PHA bins. Test statistic : Chi-Squared = 1668.09 using 59 PHA bins. Reduced chi-squared = 29.2648 for 57 degrees of freedom Null hypothesis probability = 2.326479e-311 Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 1016.65 13.2614 -3 20.6931 4.45321 989.933 60.744 -3 46.9765 0.646998 917.335 226.606 -2 198.544 0.409776 78.3562 409.104 -3 199.209 1.37252 78.1658 26.4315 -4 199.323 1.37399 78.1503 25.8362 -5 199.347 1.37406 78.1451 25.8044 -6 199.359 1.37408 ============================== Variances and Principal Axes 1 2 2.4337E+03| -1.0000 0.0003 1.2575E-03| -0.0003 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 2.434e+03 -6.920e-01 -6.920e-01 1.454e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.359 +/- 49.3323 2 1 bremss norm 1.37408 +/- 3.81351E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 78.15 using 59 PHA bins. Test statistic : Chi-Squared = 78.15 using 59 PHA bins. Reduced chi-squared = 1.371 for 57 degrees of freedom Null hypothesis probability = 3.298758e-02 XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 74.7966 0.0488763 0 199.363 1.43850 ============================== Variances and Principal Axes 1 2 2.2392E+03| -1.0000 0.0003 1.2575E-03| -0.0003 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 2.239e+03 -6.637e-01 -6.637e-01 1.454e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 47.3201 2 1 bremss norm 1.43850 +/- 3.81349E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 74.80 using 59 PHA bins. Test statistic : Chi-Squared = 74.80 using 59 PHA bins. Reduced chi-squared = 1.312 for 57 degrees of freedom Null hypothesis probability = 5.701000e-02 XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 74.7962 0.0488104 1 199.363 1.43895 ============================== Variances and Principal Axes 1 2 2.2451E+03| -1.0000 0.0003 1.2575E-03| -0.0003 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 2.245e+03 -6.646e-01 -6.646e-01 1.454e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 199.363 +/- 47.3826 2 1 bremss norm 1.43895 +/- 3.81347E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 74.80 using 59 PHA bins. Test statistic : Chi-Squared = 74.80 using 59 PHA bins. Reduced chi-squared = 1.312 for 57 degrees of freedom Null hypothesis probability = 5.701357e-02 XSPEC12>log bat_spec_brems.log Logging to file:bat_spec_brems.log XSPEC12>show XSPEC version: 12.9.0i Fri Mar 18 11:33:57 2016 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 Always calculate parameter derivatives using full (slower) numerical differentiation: No 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-unknown-linux-gnu-libc2.12/../spectral/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: sw00675361000b_avg.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: sw00675361000b_avg.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: sw00675361000b_avg.pha Net count rate (cts/s) for Spectrum:1 4.233e-02 +/- 1.145e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 188 sec Using fit statistic: chi Using test statistic: chi Using Response (RMF) File sw00675361000b_avg.rsp for Source 1 Spectral data counts: 7.95918 Model predicted rate: 4.34347E-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 +/- 47.3826 2 1 bremss norm 1.43895 +/- 3.81347E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared = 74.80 using 59 PHA bins. Test statistic : Chi-Squared = 74.80 using 59 PHA bins. Reduced chi-squared = 1.312 for 57 degrees of freedom Null hypothesis probability = 5.701357e-02 Weighting method: standard XSPEC12>flux 15.0 25.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.11515 photons (3.5831e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) Error range 0.1095 - 0.1202 (3.408e-09 - 3.741e-09) (90.00% confidence) XSPEC12>flux 25.0 50.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.12158 photons (6.8927e-09 ergs/cm^2/s) range (25.000 - 50.000 keV) Error range 0.1160 - 0.1268 (6.576e-09 - 7.189e-09) (90.00% confidence) XSPEC12>flux 50.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.11217 photons (1.5117e-08 ergs/cm^2/s) range (50.000 - 150.00 keV) Error range 0.1074 - 0.1168 (1.447e-08 - 1.574e-08) (90.00% confidence) XSPEC12>flux 15.0 150.0 err 500 90 Parameter distribution is derived from fit covariance matrix. Model Flux 0.34889 photons (2.5593e-08 ergs/cm^2/s) range (15.000 - 150.00 keV) Error range 0.3322 - 0.3633 (2.437e-08 - 2.665e-08) (90.00% confidence) XSPEC12>error 1 Parameter Confidence Range (2.706) Parameters Chi-Squared |beta|/N Lvl 1:kT 2:norm 74.6098 0.0434746 0 200.000 1.43841 74.6098 0.28032 0 200.000 1.43859 74.6098 0.0791214 2 200.000 1.43859 ============================== Variances and Principal Axes 1 2 3.9332E+03| -1.0000 0.0002 1.2570E-03| -0.0002 -1.0000 ------------------------------ ======================== Covariance Matrix 1 2 3.933e+03 -8.753e-01 -8.753e-01 1.452e-03 ------------------------ ======================================================================== Model bremss<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 bremss kT keV 200.000 +/- 62.7154 2 1 bremss norm 1.43859 +/- 3.81027E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 74.61 using 59 PHA bins. Test statistic : Chi-Squared = 74.61 using 59 PHA bins. Reduced chi-squared = 1.309 for 57 degrees of freedom Null hypothesis probability = 5.870299e-02 ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 200, with delta statistic: 0.186385 *** Parameter lower bound is INVALID. ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 1.63312e+16, with delta statistic: 0 *** Parameter upper bound is INVALID. 1 190.773 0 (-9.22744,-200) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 1.38044 1.49708 (-0.0583229,0.0583229) 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 (-9.22744 -200) Norm : 1.43859 (-0.0583229 0.0583229) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 74.61 using 59 PHA bins. # Reduced chi-squared = 1.309 for 57 degrees of freedom # Null hypothesis probability = 5.870299e-02 Energy Fluence 90% Error [keV] [erg/cm2] [erg/cm2] 15- 25 6.736e-07 3.130e-08 25- 50 1.296e-06 5.762e-08 50-150 2.842e-06 1.194e-07 15-150 4.811e-06 2.143e-07