#XSPEC version: 12.10.0 #Build Date/Time: Wed Mar 7 14:48:18 2018 # !XSPEC12>show # #XSPEC version: 12.10.0 # #Sat Apr 7 22:29:55 2018 # 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/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: 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: # ../sw00813721000b_preslew.rsp associated with spectrum 1 source 1 # energies: 204 channels: 80 # Distinct RMF files: # ../sw00813721000b_preslew.rsp # #1 file 1 spectrum #Spectrum 1 Spectral Data File: ../sw00813721000b_preslew.pha #Net count rate (cts/s) for Spectrum:1 2.231e-02 +/- 2.288e-03 # Assigned to Data Group 1 and Plot Group 1 # Noticed Channels: 4-62 # Telescope: SWIFT Instrument: BAT Channel Type: PI # Exposure Time: 26.82 sec # Using fit statistic: chi # Using test statistic: chi # Using Response (RMF) File ../sw00813721000b_preslew.rsp for Source 1 # # Spectral data counts: 0.598381 # Model predicted rate: 2.22022E-02 # # #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 15.0000 frozen # 2 1 cflux Emax keV 25.0000 frozen # 3 1 cflux lg10Flux cgs -8.68168 +/- 7.45204E-02 # 4 2 ngrbep alpha -0.484864 +/- 1.60405 # 5 2 ngrbep beta -2.47747 +/- 1.30682 # 6 2 ngrbep epeak keV 44.7581 +/- 20.8704 # 7 2 ngrbep enorm keV 50.0000 frozen # 8 2 ngrbep norm 1.00000 frozen #________________________________________________________________________ # # Using energies from responses. # #Fit statistic : Chi-Squared = 63.56 using 59 PHA bins. # #Test statistic : Chi-Squared = 63.56 using 59 PHA bins. # Reduced chi-squared = 1.156 for 55 degrees of freedom # Null hypothesis probability = 2.005207e-01 # Weighting method: standard # !XSPEC12>error 3 # Parameter Confidence Range (2.706) #***Warning: Zero alpha-matrix diagonal element for parameter 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -2.06758 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 41.1329 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 -2.06758 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 41.1329 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Warning: renorm - no variable model to allow renormalization # Parameters #Chi-Squared |beta|/N Lvl 3:lg10Flux 4:alpha 5:beta 6:epeak #62.683 3.34118 0 -8.59320 4.36031 -2.12195 22.4868 #62.5404 0.922729 0 -8.60451 4.38319 -2.10668 22.5753 #62.4385 0.821336 0 -8.61219 4.38454 -2.09087 22.6945 #62.3624 1.21782 0 -8.61764 4.38518 -2.07710 22.8008 #62.3089 1.46197 0 -8.62164 4.38548 -2.06591 22.8852 #62.2724 1.61141 0 -8.62461 4.38550 -2.05711 22.9495 #62.2475 1.70998 0 -8.62686 4.38550 -2.05027 22.9980 #62.2303 1.77846 0 -8.62856 4.38550 -2.04500 23.0344 #62.2184 1.82823 0 -8.62985 4.38550 -2.04093 23.0618 #62.2101 1.86463 0 -8.63084 4.38550 -2.03782 23.0825 #================================================== # Variances and Principal Axes # 3 4 5 6 # 1.8239E-03| -0.9850 -0.0051 -0.1723 -0.0111 # 6.1743E-02| 0.1726 -0.0164 -0.9844 -0.0306 # 1.4586E+01| -0.0059 0.5788 -0.0360 0.8146 # 6.4483E+02| 0.0015 0.8153 0.0047 -0.5791 #-------------------------------------------------- # #================================================ # Covariance Matrix # 1 2 3 4 # 5.475e-03 7.131e-01 -2.726e-03 -6.124e-01 # 7.131e-01 4.335e+02 2.146e+00 -2.975e+02 # -2.726e-03 2.146e+00 9.278e-02 -2.165e+00 # -6.124e-01 -2.975e+02 -2.165e+00 2.259e+02 #------------------------------------------------ # #======================================================================== #Model cflux<1>*ngrbep<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cflux Emin keV 15.0000 frozen # 2 1 cflux Emax keV 25.0000 frozen # 3 1 cflux lg10Flux cgs -8.63084 +/- 7.39957E-02 # 4 2 ngrbep alpha 4.38550 +/- 20.8203 # 5 2 ngrbep beta -2.03782 +/- 0.304591 # 6 2 ngrbep epeak keV 23.0825 +/- 15.0300 # 7 2 ngrbep enorm keV 50.0000 frozen # 8 2 ngrbep norm 1.00000 frozen #________________________________________________________________________ # # #Fit statistic : Chi-Squared = 62.21 using 59 PHA bins. # #Test statistic : Chi-Squared = 62.21 using 59 PHA bins. # Reduced chi-squared = 1.131 for 55 degrees of freedom # Null hypothesis probability = 2.350021e-01 #***Warning: New best fit found, fit parameters will be set to new values. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 4.50556 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 6 # Parameter 6 is pegged at 4.50556 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 6 # Parameter 6 is pegged at 2.98183 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 # Parameter 4 is pegged at -9.34185 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 -9.34185 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 2.98183 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 6 # Parameter 6 is pegged at 2.71392 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 -4.8442 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 2.71392 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 -4.8442 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 2.71392 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 6 # Parameter 6 is pegged at 2.69335 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 # Parameter 4 is pegged at -8.84568 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 -8.84568 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 2.69335 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 -8.72346, -8.72388 #and delta stat 1.47249, 4.85149 #but latest trial -8.72367 gives 4.86432 #Suggest that you check this result using the steppar command. # 3 -8.72367 -8.53547 (-0.092076,0.0961229) # !XSPEC12>error 4 # Parameter Confidence Range (2.706) #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 6 # Parameter 6 is pegged at 23.0981 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 1.16527, -29.2492 #and delta statistic 1.12674, 3.54088 # # Warning: renorm - no variable model to allow renormalization # Parameters #Chi-Squared |beta|/N Lvl 3:lg10Flux 4:alpha 5:beta 6:epeak #61.8003 0.157127 0 -8.63408 5.00000 -2.01945 23.9688 #61.7923 0.145041 0 -8.63378 5.00000 -2.01629 23.8351 #61.7919 0.0482128 0 -8.63385 5.00000 -2.01649 23.8173 #================================================== # Variances and Principal Axes # 3 4 5 6 # 1.7116E-03| -0.9846 -0.0034 -0.1744 -0.0137 # 5.8722E-02| 0.1748 -0.0086 -0.9840 -0.0324 # 1.6049E+01| -0.0080 0.3269 -0.0353 0.9444 # 1.5208E+03| 0.0009 0.9450 0.0027 -0.3270 #-------------------------------------------------- # #================================================ # Covariance Matrix # 1 2 3 4 # 5.629e-03 1.201e+00 -1.713e-03 -5.524e-01 # 1.201e+00 1.360e+03 3.677e+00 -4.650e+02 # -1.713e-03 3.677e+00 8.791e-02 -1.870e+00 # -5.524e-01 -4.650e+02 -1.870e+00 1.769e+02 #------------------------------------------------ # #======================================================================== #Model cflux<1>*ngrbep<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cflux Emin keV 15.0000 frozen # 2 1 cflux Emax keV 25.0000 frozen # 3 1 cflux lg10Flux cgs -8.63385 +/- 7.50244E-02 # 4 2 ngrbep alpha 5.00000 +/- 36.8759 # 5 2 ngrbep beta -2.01649 +/- 0.296497 # 6 2 ngrbep epeak keV 23.8173 +/- 13.3019 # 7 2 ngrbep enorm keV 50.0000 frozen # 8 2 ngrbep norm 1.00000 frozen #________________________________________________________________________ # # #Fit statistic : Chi-Squared = 61.79 using 59 PHA bins. # #Test statistic : Chi-Squared = 61.79 using 59 PHA bins. # Reduced chi-squared = 1.123 for 55 degrees of freedom # Null hypothesis probability = 2.464565e-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: 5, with delta statistic: 0 # # #*** Parameter lower bound is INVALID. # # #***Warning: Number of trials exceeded before bracketing of delta fit-stat. #Last attempt: 5, with delta statistic: 0 # # #*** Parameter upper bound is INVALID. # # 4 -7.6419 0 (-12.6419,-5) # !XSPEC12>error 5 # Parameter Confidence Range (2.706) #***Warning: Zero alpha-matrix diagonal element for parameter 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -10 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9998.91 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 -10 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9998.91 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 -10 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9997.1 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 -10 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9997.1 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 6 # Parameter 6 is pegged at 2.84963 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 6 # Parameter 6 is pegged at 2.84963 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 6 # Parameter 6 is pegged at 0.623823 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 6 # Parameter 6 is pegged at 0.623823 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 -10 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 3.73859 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 -10 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 3.73859 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 -10 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9998.79 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 -10 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9998.79 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 6 # Parameter 6 is pegged at 4.80878 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 -10 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 4.80878 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 6 # Parameter 6 is pegged at 2.72435 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 6 # Parameter 6 is pegged at 2.72435 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Identical values of the parameter give different values of the statistic. #Please check your result for the high end of the confidence range. # 5 -2.46421 -1.67744 (-0.447667,0.339106) # !XSPEC12>error 6 # Parameter Confidence Range (2.706) #***Warning: Zero alpha-matrix diagonal element for parameter 4 # Parameter 4 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 4 # Parameter 4 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 23.7648, 45.6463 #and delta stat 0, 3.95346 #but latest trial 28.1079 gives 3.95346 #Suggest that you check this result using the steppar command. # 6 18.233 34.7055 (-5.53172,10.9408) # !XSPEC12>log none #