#XSPEC version: 12.9.0i #Build Date/Time: Tue Feb 9 12:39:18 2016 # !XSPEC12>show; # #XSPEC version: 12.9.0i # #Wed Mar 16 16:13:07 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: Energy # 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: # sw00668689000b_avg.rsp associated with spectrum 1 source 1 # energies: 204 channels: 80 # Distinct RMF files: # sw00668689000b_avg.rsp # #1 file 1 spectrum #Spectrum 1 Spectral Data File: sw00668689000b_avg.pha #Net count rate (cts/s) for Spectrum:1 4.156e-01 +/- 1.507e-02 # Assigned to Data Group 1 and Plot Group 1 # Noticed Channels: 4-62 # Telescope: SWIFT Instrument: BAT Channel Type: PI # Exposure Time: 2.456 sec # Using fit statistic: chi # Using test statistic: chi # Using Response (RMF) File sw00668689000b_avg.rsp for Source 1 # # Spectral data counts: 1.02083 # Model predicted rate: 0.412828 # # #Current model list: # #======================================================================== #Model cflux<1>*ngrbep<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cflux Emin keV 100.000 frozen # 2 1 cflux Emax keV 150.000 frozen # 3 1 cflux lg10Flux cgs -7.38583 +/- 0.100255 # 4 2 ngrbep alpha -1.47921 +/- 0.259291 # 5 2 ngrbep beta -9.37167 +/- 1.74875E+14 # 6 2 ngrbep epeak keV 69.2822 +/- 23.9863 # 7 2 ngrbep enorm keV 50.0000 frozen # 8 2 ngrbep norm 1.00000 frozen #________________________________________________________________________ # # Using energies from responses. # #Fit statistic : Chi-Squared = 45.27 using 59 PHA bins. # #Test statistic : Chi-Squared = 45.27 using 59 PHA bins. # Reduced chi-squared = 0.8231 for 55 degrees of freedom # Null hypothesis probability = 8.223417e-01 # Weighting method: standard # !XSPEC12>error 3; # Parameter Confidence Range (2.706) # 3 -7.41147 -7.31554 (-0.0256054,0.0703345) # !XSPEC12>error 4; # Parameter Confidence Range (2.706) # 4 -1.76067 -1.17687 (-0.281663,0.302133) # !XSPEC12>error 5; # Parameter Confidence Range (2.706) # Warning: renorm - no variable model to allow renormalization # Parameters #Chi-Squared |beta|/N Lvl 3:lg10Flux 4:alpha 5:beta 6:epeak #45.2239 5.7505e-05 0 -7.39998 -1.44225 -10.0000 65.8654 #45.2239 0.000289463 2 -7.39998 -1.44225 -10.0000 65.8654 #================================================== # Variances and Principal Axes # 3 4 5 6 # 2.1956E-04| -0.9999 -0.0158 0.0000 0.0043 # 3.7177E-02| 0.0158 -0.9998 -0.0000 -0.0112 # 2.0929E+02| 0.0045 -0.0111 0.0000 0.9999 # 9.8049E+21| -0.0000 0.0000 -1.0000 0.0000 #-------------------------------------------------- # #================================================ # Covariance Matrix # 1 2 3 4 # 4.775e-03 -1.198e-02 1.772e+09 1.009e+00 # -1.198e-02 6.580e-02 -5.321e+09 -2.526e+00 # 1.772e+09 -5.321e+09 9.805e+21 3.784e+11 # 1.009e+00 -2.526e+00 3.784e+11 2.239e+02 #------------------------------------------------ # #======================================================================== #Model cflux<1>*ngrbep<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cflux Emin keV 100.000 frozen # 2 1 cflux Emax keV 150.000 frozen # 3 1 cflux lg10Flux cgs -7.39998 +/- 6.91034E-02 # 4 2 ngrbep alpha -1.44225 +/- 0.256524 # 5 2 ngrbep beta -10.0000 +/- 9.90196E+10 # 6 2 ngrbep epeak keV 65.8654 +/- 14.9622 # 7 2 ngrbep enorm keV 50.0000 frozen # 8 2 ngrbep norm 1.00000 frozen #________________________________________________________________________ # # #Fit statistic : Chi-Squared = 45.22 using 59 PHA bins. # #Test statistic : Chi-Squared = 45.22 using 59 PHA bins. # Reduced chi-squared = 0.8223 for 55 degrees of freedom # Null hypothesis probability = 8.236278e-01 #***Warning: New best fit found, fit parameters will be set to new values. # #***Warning: Number of trials exceeded before bracketing of delta fit-stat. #Last attempt: -8.73783e+16, with delta statistic: 0 # # #*** Parameter lower bound is INVALID. # #***Warning: Zero alpha-matrix diagonal element for parameter 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -8.80415 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9999.1 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 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -8.80415 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9999.1 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 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -8.80415 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9999.1 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 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -8.80415 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9999.1 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # #***Warning: Number of trials exceeded before convergence. #Current trial values -1.97894e+15, 6.89793e+14 #and delta statistic 0, 252.596 # # 5 0 -10 (10,1.77636e-15) # !XSPEC12>error 6; # Parameter Confidence Range (2.706) #***Warning: Zero alpha-matrix diagonal element for parameter 5 # Parameter 5 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 5 # Parameter 5 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 5 # Parameter 5 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 5 # Parameter 5 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 5 # Parameter 5 is pegged at -10 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #Apparent non-monotonicity in statistic space detected. #Current bracket values 294.605, 459.668 #and delta stat 2.58009, 2.76876 #but latest trial 374.313 gives 8.64659 #Suggest that you check this result using the steppar command. # 6 61.0137 377.137 (-4.85176,311.271) # !XSPEC12>log none; #