XSPEC version: 12.8.2 Build Date/Time: Thu Jul 3 19:14:55 2014 XSPEC12>query no XSPEC12>lmod takagrb /local/data/bat1/prebascript/xspec_taka_lmodel Model package takagrb successfully loaded. XSPEC12>data 1:1 ../sw00176918000b_preslew.pha 1 spectrum in use Spectral Data File: ../sw00176918000b_preslew.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 7.690e-02 +/- 5.394e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 17.54 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 ../sw00176918000b_preslew.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 ngrbep Input parameter value, delta, min, bot, top, and max values for ... -1 0.01( 0.01) -10 -3 2 5 1:ngrbep:alpha> -0.98395 1.00000E-02 -10.000 -3.0000 2.0000 5.0000 -2 0.01( 0.02) -10 -5 2 10 2:ngrbep:beta> -2.50000 1.00000E-02 -10.000 -5.0000 2.0000 10.000 300 10( 3) 0.1 0.1 1000 10000 3:ngrbep:epeak> 80.000 10.000 0.10000 0.10000 1000.0 10000. 100 -0.01( 1) 0 0 1000 1000 4:ngrbep:enorm> 50.000 -1.00000E-02 0.0000 0.0000 1000.0 1000.0 1 0.01( 0.01) 0 0 1e+20 1e+24 5:ngrbep:norm> 1.000 1.00000E-02 0.0000 0.0000 1.00000E+24 1.00000E+24 ======================================================================== Model ngrbep<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 ngrbep alpha -0.983950 +/- 0.0 2 1 ngrbep beta -2.50000 +/- 0.0 3 1 ngrbep epeak keV 80.0000 +/- 0.0 4 1 ngrbep enorm keV 50.0000 frozen 5 1 ngrbep norm 1.00000 +/- 0.0 ________________________________________________________________________ Fit statistic : Chi-Squared = 2.791222e+06 using 59 PHA bins. Test statistic : Chi-Squared = 2.791222e+06 using 59 PHA bins. Reduced chi-squared = 50749.49 for 55 degrees of freedom Null hypothesis probability = 0.000000e+00 Current data and model not fit yet. XSPEC12>renorm Fit statistic : Chi-Squared = 122.48 using 59 PHA bins. Test statistic : Chi-Squared = 122.48 using 59 PHA bins. Reduced chi-squared = 2.2269 for 55 degrees of freedom Null hypothesis probability = 4.767256e-07 Current data and model not fit yet. XSPEC12>fit renorm: no renormalization necessary Parameters Chi-Squared |beta|/N Lvl 1:alpha 2:beta 3:epeak 5:norm 121.26 6.03933 1 -0.982672 -2.25886 80.2600 0.00978544 92.0858 6.49373 0 -0.968895 -1.39553 82.5566 0.00977474 75.0053 333.945 0 -0.901766 -1.18301 81.8737 0.00945162 65.3531 421.643 -1 -0.803552 -0.941974 64.7266 0.00861997 61.1945 971.441 -2 -0.757723 -0.849320 21.5435 0.00782378 61.1332 33.36 -2 -0.751657 -0.832731 16.4938 0.00765647 61.1308 4.75648 -1 -0.751135 -0.831206 16.1260 0.00764263 ================================================== Variances and Principal Axes 1 2 3 5 1.7516E-07| -0.0265 0.0259 0.0000 0.9993 1.0949E+10| 0.9996 0.0000 0.0000 0.0265 1.1160E-02| 0.0007 0.9997 -0.0000 -0.0259 4.9295E+12| -0.0000 0.0000 -1.0000 0.0000 -------------------------------------------------- ================================================ Covariance Matrix 1 2 3 4 9.186e+09 9.106e+02 3.463e+10 2.423e+08 9.117e+02 1.284e-02 -8.394e+04 2.733e+01 3.457e+10 -8.395e+04 4.904e+12 7.322e+08 2.423e+08 2.731e+01 7.337e+08 6.397e+06 ------------------------------------------------ ======================================================================== Model ngrbep<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 ngrbep alpha -0.751135 +/- 9.58415E+04 2 1 ngrbep beta -0.831206 +/- 0.113322 3 1 ngrbep epeak keV 16.1260 +/- 2.21457E+06 4 1 ngrbep enorm keV 50.0000 frozen 5 1 ngrbep norm 7.64263E-03 +/- 2529.16 ________________________________________________________________________ Fit statistic : Chi-Squared = 61.13 using 59 PHA bins. Test statistic : Chi-Squared = 61.13 using 59 PHA bins. Reduced chi-squared = 1.111 for 55 degrees of freedom Null hypothesis probability = 2.652670e-01 XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:alpha 2:beta 3:epeak 5:norm 61.1282 0.197273 -1 -0.750548 -0.829383 15.8000 0.00762235 ================================================== Variances and Principal Axes 1 2 3 5 1.7440E-07| -0.0211 0.0210 0.0000 0.9996 7.4307E+09| 0.9998 0.0000 0.0000 0.0211 1.1302E-02| 0.0004 0.9998 -0.0000 -0.0210 2.5926E+12| 0.0000 0.0000 1.0000 -0.0000 -------------------------------------------------- ================================================ Covariance Matrix 1 2 3 4 7.526e+09 3.651e+03 -5.371e+09 1.589e+08 3.651e+03 1.308e-02 3.744e+03 7.684e+01 -5.395e+09 3.732e+03 2.593e+12 -2.121e+08 1.589e+08 7.684e+01 -2.115e+08 3.359e+06 ------------------------------------------------ ======================================================================== Model ngrbep<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 ngrbep alpha -0.750548 +/- 8.67549E+04 2 1 ngrbep beta -0.829383 +/- 0.114384 3 1 ngrbep epeak keV 15.8000 +/- 1.61022E+06 4 1 ngrbep enorm keV 50.0000 frozen 5 1 ngrbep norm 7.62235E-03 +/- 1832.70 ________________________________________________________________________ Fit statistic : Chi-Squared = 61.13 using 59 PHA bins. Test statistic : Chi-Squared = 61.13 using 59 PHA bins. Reduced chi-squared = 1.111 for 55 degrees of freedom Null hypothesis probability = 2.653421e-01 XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:alpha 2:beta 3:epeak 5:norm 61.1275 0.153033 0 -0.750470 -0.829079 15.7911 0.00761320 ================================================== Variances and Principal Axes 1 2 3 5 1.7354E-07| -0.0155 0.0160 0.0001 0.9998 1.7285E+10| 0.9999 -0.0000 0.0000 0.0155 1.1422E-02| 0.0002 0.9999 -0.0000 -0.0160 3.6793E+12| 0.0000 -0.0000 1.0000 -0.0001 -------------------------------------------------- ================================================ Covariance Matrix 1 2 3 4 1.471e+10 -1.867e+03 -1.625e+10 2.300e+08 -1.868e+03 1.167e-02 -4.078e+03 -2.837e+01 -1.579e+10 -4.138e+03 3.662e+12 -7.437e+08 2.299e+08 -2.835e+01 -7.508e+08 3.663e+06 ------------------------------------------------ ======================================================================== Model ngrbep<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 ngrbep alpha -0.750470 +/- 1.21276E+05 2 1 ngrbep beta -0.829079 +/- 0.108014 3 1 ngrbep epeak keV 15.7911 +/- 1.91352E+06 4 1 ngrbep enorm keV 50.0000 frozen 5 1 ngrbep norm 7.61320E-03 +/- 1914.01 ________________________________________________________________________ Fit statistic : Chi-Squared = 61.13 using 59 PHA bins. Test statistic : Chi-Squared = 61.13 using 59 PHA bins. Reduced chi-squared = 1.111 for 55 degrees of freedom Null hypothesis probability = 2.653624e-01 XSPEC12>log bat_spec_ngrbep.log Logging to file:bat_spec_ngrbep.log XSPEC12>show XSPEC version: 12.8.2 Sun May 31 14:31:50 2015 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: ../sw00176918000b_preslew.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: ../sw00176918000b_preslew.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: ../sw00176918000b_preslew.pha Net count rate (cts/s) for Spectrum:1 7.363e-02 +/- 4.369e-03 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 17.54 sec Using fit statistic: chi Using test statistic: chi Using Response (RMF) File ../sw00176918000b_preslew.rsp for Source 1 Spectral data counts: 1.29118 Model predicted rate: 7.33399E-02 Current model list: ======================================================================== Model ngrbep<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 ngrbep alpha -0.750470 +/- 1.21276E+05 2 1 ngrbep beta -0.829079 +/- 0.108014 3 1 ngrbep epeak keV 15.7911 +/- 1.91352E+06 4 1 ngrbep enorm keV 50.0000 frozen 5 1 ngrbep norm 7.61320E-03 +/- 1914.01 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared = 61.13 using 59 PHA bins. Test statistic : Chi-Squared = 61.13 using 59 PHA bins. Reduced chi-squared = 1.111 for 55 degrees of freedom Null hypothesis probability = 2.653624e-01 Weighting method: standard XSPEC12>query yes XSPEC12>flux 20.0 50.0 Model Flux 0.21888 photons (1.1617e-08 ergs/cm^2/s) range (20.000 - 50.000 keV) XSPEC12>flux 50.0 150.0 Model Flux 0.31188 photons (4.6252e-08 ergs/cm^2/s) range (50.000 - 150.00 keV) XSPEC12>error 1 Parameter Confidence Range (2.706) ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: -1.04594e+11, with delta statistic: 0 ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 15.7911 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: -1.09675e+17, with delta statistic: 0 ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 1.04594e+11, with delta statistic: 0 ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: 1.09675e+17, with delta statistic: 0 1 0 0 (0.750391,0.750391) XSPEC12>error 2 Parameter Confidence Range (2.706) 2 -0.987871 -0.649895 (-0.161158,0.176818) XSPEC12>error 3 Parameter Confidence Range (2.706) ***Warning: Zero alpha-matrix diagonal element for parameter 1 Parameter 1 is pegged at -0.749698 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 1 Parameter 1 is pegged at -0.749698 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 2 Parameter 2 is pegged at -6.84141 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. ***Warning: Zero alpha-matrix diagonal element for parameter 2 Parameter 2 is pegged at -6.84141 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. Parameters Chi-Squared |beta|/N Lvl 1:alpha 2:beta 3:epeak 5:norm ***Warning: Zero alpha-matrix diagonal element for parameter 2 Parameter 2 is pegged at -6.84141 due to zero or negative pivot element, likely caused by the fit being insensitive to the parameter. Killed Spectral model in the Band function: ------------------------------------------------------------ Parameters : value lower 90% higher 90% alpha : -0.750470 ( 0.750391 0.750391 ) beta : -0.829079 ( -0.161158 0.176818 ) Epeak [keV] : 15.7911 ( ) Norm@50keV : 7.61320E-03 ( ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 61.13 using 59 PHA bins. # Reduced chi-squared = 1.111 for 55 degrees of freedom # Null hypothesis probability = 2.653624e-01 Photon flux (15-150 keV) in 17.54 sec: ( ) ph/cm2/s Energy fluence (15-150 keV) : 0 ( 0 0 ) ergs/cm2