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 ../sw00426438000b_preslew.pha 1 spectrum in use Spectral Data File: ../sw00426438000b_preslew.pha Spectrum 1 Net count rate (cts/s) for Spectrum:1 4.967e-01 +/- 3.430e-02 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 1-80 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 0.512 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 ../sw00426438000b_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 = 67387.71 using 59 PHA bins. Test statistic : Chi-Squared = 67387.71 using 59 PHA bins. Reduced chi-squared = 1225.231 for 55 degrees of freedom Null hypothesis probability = 0.000000e+00 Current data and model not fit yet. XSPEC12>renorm Fit statistic : Chi-Squared = 55.89 using 59 PHA bins. Test statistic : Chi-Squared = 55.89 using 59 PHA bins. Reduced chi-squared = 1.016 for 55 degrees of freedom Null hypothesis probability = 4.413521e-01 Current data and model not fit yet. XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:alpha 2:beta 3:epeak 5:norm 55.7827 0.0521157 -1 -0.979197 -4.64731 84.7349 0.0611781 55.7764 9.60821 0 -0.979205 -9.22988 84.8136 0.0610400 ================================================== Variances and Principal Axes 1 2 3 5 1.2235E-05| -0.0444 0.0000 0.0004 0.9990 6.7204E-02| 0.9989 0.0000 0.0132 0.0444 6.7916E+02| -0.0132 0.0007 0.9999 -0.0010 1.1620E+09| 0.0000 1.0000 -0.0007 0.0000 -------------------------------------------------- ================================================ Covariance Matrix 1 2 3 4 2.612e-01 9.413e+03 -1.564e+01 1.824e-02 9.413e+03 1.162e+09 -8.260e+05 7.516e+02 -1.564e+01 -8.260e+05 1.266e+03 -1.230e+00 1.824e-02 7.516e+02 -1.230e+00 1.344e-03 ------------------------------------------------ ======================================================================== Model ngrbep<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 ngrbep alpha -0.979205 +/- 0.511103 2 1 ngrbep beta -9.22988 +/- 3.40887E+04 3 1 ngrbep epeak keV 84.8136 +/- 35.5830 4 1 ngrbep enorm keV 50.0000 frozen 5 1 ngrbep norm 6.10400E-02 +/- 3.66580E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 55.78 using 59 PHA bins. Test statistic : Chi-Squared = 55.78 using 59 PHA bins. Reduced chi-squared = 1.014 for 55 degrees of freedom Null hypothesis probability = 4.454264e-01 XSPEC12>fit Parameters Chi-Squared |beta|/N Lvl 1:alpha 2:beta 3:epeak 5:norm 55.7647 0.166582 0 -0.979609 -9.31498 84.7997 0.0606740 ================================================== Variances and Principal Axes 1 2 3 5 1.2222E-05| -0.0440 0.0000 0.0004 0.9990 6.8127E-02| 0.9989 0.0000 0.0132 0.0440 6.9288E+02| -0.0132 0.0000 0.9999 -0.0010 3.2585E+19| 0.0000 1.0000 -0.0000 0.0000 -------------------------------------------------- ================================================ Covariance Matrix 1 2 3 4 2.565e-01 1.633e+09 -1.491e+01 1.760e-02 1.633e+09 3.881e+19 -1.378e+11 1.277e+08 -1.491e+01 -1.378e+11 1.182e+03 -1.156e+00 1.760e-02 1.277e+08 -1.156e+00 1.276e-03 ------------------------------------------------ ======================================================================== Model ngrbep<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 ngrbep alpha -0.979609 +/- 0.506452 2 1 ngrbep beta -9.31498 +/- 6.22983E+09 3 1 ngrbep epeak keV 84.7997 +/- 34.3848 4 1 ngrbep enorm keV 50.0000 frozen 5 1 ngrbep norm 6.06740E-02 +/- 3.57277E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 55.76 using 59 PHA bins. Test statistic : Chi-Squared = 55.76 using 59 PHA bins. Reduced chi-squared = 1.014 for 55 degrees of freedom Null hypothesis probability = 4.458630e-01 XSPEC12>fit 100 Parameters Chi-Squared |beta|/N Lvl 1:alpha 2:beta 3:epeak 5:norm 55.764 0.164475 0 -0.980008 -9.35298 84.7864 0.0606623 ================================================== Variances and Principal Axes 1 2 3 5 1.2217E-05| -0.0440 0.0000 0.0004 0.9990 6.8137E-02| 0.9989 0.0000 0.0132 0.0440 6.9290E+02| -0.0131 0.0000 0.9999 -0.0010 4.4712E+20| 0.0000 1.0000 -0.0000 0.0000 -------------------------------------------------- ================================================ Covariance Matrix 1 2 3 4 2.565e-01 1.732e+09 -1.491e+01 1.760e-02 1.732e+09 4.368e+19 -1.462e+11 1.355e+08 -1.491e+01 -1.462e+11 1.182e+03 -1.156e+00 1.760e-02 1.355e+08 -1.156e+00 1.276e-03 ------------------------------------------------ ======================================================================== Model ngrbep<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 ngrbep alpha -0.980008 +/- 0.506423 2 1 ngrbep beta -9.35298 +/- 6.60883E+09 3 1 ngrbep epeak keV 84.7864 +/- 34.3843 4 1 ngrbep enorm keV 50.0000 frozen 5 1 ngrbep norm 6.06623E-02 +/- 3.57211E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 55.76 using 59 PHA bins. Test statistic : Chi-Squared = 55.76 using 59 PHA bins. Reduced chi-squared = 1.014 for 55 degrees of freedom Null hypothesis probability = 4.458873e-01 XSPEC12>log bat_spec_ngrbep.log Logging to file:bat_spec_ngrbep.log XSPEC12>show XSPEC version: 12.8.2 Sun May 31 01:01:33 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: ../sw00426438000b_preslew.rsp associated with spectrum 1 source 1 energies: 204 channels: 80 Distinct RMF files: ../sw00426438000b_preslew.rsp 1 file 1 spectrum Spectrum 1 Spectral Data File: ../sw00426438000b_preslew.pha Net count rate (cts/s) for Spectrum:1 4.559e-01 +/- 2.718e-02 Assigned to Data Group 1 and Plot Group 1 Noticed Channels: 4-62 Telescope: SWIFT Instrument: BAT Channel Type: PI Exposure Time: 0.512 sec Using fit statistic: chi Using test statistic: chi Using Response (RMF) File ../sw00426438000b_preslew.rsp for Source 1 Spectral data counts: 0.233416 Model predicted rate: 0.433070 Current model list: ======================================================================== Model ngrbep<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 ngrbep alpha -0.980008 +/- 0.506423 2 1 ngrbep beta -9.35298 +/- 6.60883E+09 3 1 ngrbep epeak keV 84.7864 +/- 34.3843 4 1 ngrbep enorm keV 50.0000 frozen 5 1 ngrbep norm 6.06623E-02 +/- 3.57211E-02 ________________________________________________________________________ Using energies from responses. Fit statistic : Chi-Squared = 55.76 using 59 PHA bins. Test statistic : Chi-Squared = 55.76 using 59 PHA bins. Reduced chi-squared = 1.014 for 55 degrees of freedom Null hypothesis probability = 4.458873e-01 Weighting method: standard XSPEC12>query yes XSPEC12>flux 20.0 50.0 Model Flux 1.8664 photons (9.5423e-08 ergs/cm^2/s) range (20.000 - 50.000 keV) XSPEC12>flux 50.0 150.0 Model Flux 1.1898 photons (1.5661e-07 ergs/cm^2/s) range (50.000 - 150.00 keV) XSPEC12>error 1 Parameter Confidence Range (2.706) 1 -1.53227 -0.294781 (-0.551866,0.685621) XSPEC12>error 2 Parameter Confidence Range (2.706) Parameters Chi-Squared |beta|/N Lvl 1:alpha 2:beta 3:epeak 5:norm 55.7256 8.4198e-05 1 -1.05713 -10.0000 87.5040 0.0563513 55.7256 0.00277633 3 -1.05713 -10.0000 87.5040 0.0563513 ================================================== Variances and Principal Axes 1 2 3 5 1.0545E-05| -0.0401 0.0000 0.0003 0.9992 6.2154E-02| 0.9991 0.0000 0.0112 0.0401 9.5849E+02| -0.0112 0.0000 0.9999 -0.0008 7.4736E+19| 0.0000 1.0000 -0.0000 0.0000 -------------------------------------------------- ================================================ Covariance Matrix 1 2 3 4 2.508e-01 4.100e+09 -1.765e+01 1.606e-02 4.100e+09 2.448e+20 -4.136e+11 2.990e+08 -1.765e+01 -4.136e+11 1.657e+03 -1.270e+00 1.606e-02 2.990e+08 -1.270e+00 1.086e-03 ------------------------------------------------ ======================================================================== Model ngrbep<1> Source No.: 1 Active/On Model Model Component Parameter Unit Value par comp 1 1 ngrbep alpha -1.05713 +/- 0.500764 2 1 ngrbep beta -10.0000 +/- 1.56474E+10 3 1 ngrbep epeak keV 87.5040 +/- 40.7089 4 1 ngrbep enorm keV 50.0000 frozen 5 1 ngrbep norm 5.63513E-02 +/- 3.29609E-02 ________________________________________________________________________ Fit statistic : Chi-Squared = 55.73 using 59 PHA bins. Test statistic : Chi-Squared = 55.73 using 59 PHA bins. Reduced chi-squared = 1.013 for 55 degrees of freedom Null hypothesis probability = 4.473230e-01 ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: -1.5474e+16, with delta statistic: 0 ***Warning: Number of trials exceeded before bracketing of delta fit-stat. Last attempt: -1.41506e+22, with delta statistic: 0 ***Warning: Number of trials exceeded before convergence. Current trial values -1.97894e+15, 1.39483e+15 and delta statistic 0, 53.5674 ***Warning: Number of trials exceeded before convergence. Current trial values -1.97894e+15, 1.39483e+15 and delta statistic 0, 53.5674 2 0 -10 (10,1.06581e-14) XSPEC12>error 3 Parameter Confidence Range (2.706) ***Warning: Zero alpha-matrix diagonal element for parameter 2 Parameter 2 is pegged at -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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: 3.51095e+07, with delta statistic: 2.07672 ***Warning: Zero alpha-matrix diagonal element for parameter 2 Parameter 2 is pegged at -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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 -10 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: 3.68149e+13, with delta statistic: 2.07672 3 64.3595 0 (-23.1444,-87.504) XSPEC12>error 5 Parameter Confidence Range (2.706) ***Warning: Zero alpha-matrix diagonal element for parameter 3 Parameter 3 is pegged at 9992.66 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 9992.66 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 : -1.05713 ( -0.551866 0.685621 ) beta : -10.0000 ( 10 1.06581e-14 ) Epeak [keV] : 87.5040 ( -23.1444 -87.504 ) Norm@50keV : 5.63513E-02 ( ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 55.73 using 59 PHA bins. # Reduced chi-squared = 1.013 for 55 degrees of freedom # Null hypothesis probability = 4.473230e-01 Photon flux (15-150 keV) in 0.512 sec: ( ) ph/cm2/s Energy fluence (15-150 keV) : 0 ( 0 0 ) ergs/cm2