#XSPEC version: 12.8.2 #Build Date/Time: Thu Jul 3 19:14:55 2014 # !XSPEC12> show # #XSPEC version: 12.8.2 # #Sat May 30 23:54:42 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: # ../sw00433442000b_preslew.rsp associated with spectrum 1 source 1 # energies: 204 channels: 80 # Distinct RMF files: # ../sw00433442000b_preslew.rsp # #1 file 1 spectrum #Spectrum 1 Spectral Data File: ../sw00433442000b_preslew.pha #Net count rate (cts/s) for Spectrum:1 6.581e-02 +/- 4.683e-03 # Assigned to Data Group 1 and Plot Group 1 # Noticed Channels: 4-62 # Telescope: SWIFT Instrument: BAT Channel Type: PI # Exposure Time: 3.78 sec # Using fit statistic: chi # Using test statistic: chi # Using Response (RMF) File ../sw00433442000b_preslew.rsp for Source 1 # # Spectral data counts: 0.248764 # Model predicted rate: 6.56589E-02 # # #Current model list: # #======================================================================== #Model ngrbep<1> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 ngrbep alpha 1.39101 +/- 3.51462 # 2 1 ngrbep beta -1.33515 +/- 0.242382 # 3 1 ngrbep epeak keV 49.2709 +/- 38.1639 # 4 1 ngrbep enorm keV 50.0000 frozen # 5 1 ngrbep norm 0.138447 +/- 0.745573 #________________________________________________________________________ # # Using energies from responses. # #Fit statistic : Chi-Squared = 50.71 using 59 PHA bins. # #Test statistic : Chi-Squared = 50.71 using 59 PHA bins. # Reduced chi-squared = 0.9220 for 55 degrees of freedom # Null hypothesis probability = 6.392045e-01 # Weighting method: standard # !XSPEC12> query yes # !XSPEC12> flux 20.0 50.0 # Model Flux 0.22499 photons (1.1941e-08 ergs/cm^2/s) range (20.000 - 50.000 keV) # !XSPEC12> flux 50.0 150.0 # Model Flux 0.22073 photons (3.1136e-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 49.2709 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 49.2709 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 49.2709 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 49.2709 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 49.2709 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 49.2709 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 49.2709 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 49.2709 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 -0.485275, -4.3905 #and delta stat 1.51089, 3.87224 #but latest trial -1.18592 gives 3.87224 #Suggest that you check this result using the steppar command. # Parameters #Chi-Squared |beta|/N Lvl 1:alpha 2:beta 3:epeak 5:norm #50.3546 0.0018269 -1 3.65383 -1.34141 38.3559 4.95046 #================================================== # Variances and Principal Axes # 1 2 3 5 # 2.2917E-03| -0.9126 0.3728 0.0879 0.1431 # 3.0512E-02| 0.3700 0.9276 -0.0109 -0.0501 # 1.9794E+01| -0.1328 0.0238 -0.9320 -0.3364 # 3.1712E+03| 0.1123 0.0012 -0.3515 0.9294 #-------------------------------------------------- # #================================================ # Covariance Matrix # 1 2 3 4 # 4.038e+01 3.744e-01 -1.228e+02 3.320e+02 # 3.744e-01 4.237e-02 -1.777e+00 3.376e+00 # -1.228e+02 -1.777e+00 4.090e+02 -1.030e+03 # 3.320e+02 3.376e+00 -1.030e+03 2.742e+03 #------------------------------------------------ # #======================================================================== #Model ngrbep<1> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 ngrbep alpha 3.65383 +/- 6.35447 # 2 1 ngrbep beta -1.34141 +/- 0.205834 # 3 1 ngrbep epeak keV 38.3559 +/- 20.2232 # 4 1 ngrbep enorm keV 50.0000 frozen # 5 1 ngrbep norm 4.95046 +/- 52.3607 #________________________________________________________________________ # # #Fit statistic : Chi-Squared = 50.35 using 59 PHA bins. # #Test statistic : Chi-Squared = 50.35 using 59 PHA bins. # Reduced chi-squared = 0.9155 for 55 degrees of freedom # Null hypothesis probability = 6.524592e-01 #***Warning: New best fit found, fit parameters will be set to new values. #***Warning: Zero alpha-matrix diagonal element for parameter 3 # Parameter 3 is pegged at 38.3559 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 38.3559 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 38.3559 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 38.3559 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 38.3559 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 38.3559 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 1.00227, -7.27744 #and delta stat 0.53393, 4.22574 #but latest trial -1.34728 gives 4.22575 #Suggest that you check this result using the steppar command. # #***Warning: Number of trials exceeded before bracketing of delta fit-stat. #Last attempt: 5.48041e+06, with delta statistic: 0.135078 # # #***Warning: Number of trials exceeded before bracketing of delta fit-stat. #Last attempt: 5.74663e+12, with delta statistic: 0.135068 # # #***Warning: Number of trials exceeded before bracketing of delta fit-stat. #Last attempt: 6.02578e+18, with delta statistic: 0.135068 # #***Warning: Error search cannot find bracket around delta fit-stat, # will automatically exit from trials loop. # parameter upper bound is INVALID. # # 1 -3.60929 0 (-7.26322,-3.65393) # !XSPEC12> error 2 # Parameter Confidence Range (2.706) #***Warning: Identical values of the parameter give different values of the statistic. #Please check your result for the low end of the confidence range. # 2 -1.68391 -1.05184 (-0.342474,0.289597) # !XSPEC12> error 3 # Parameter Confidence Range (2.706) #Apparent non-monotonicity in statistic space detected. #Current bracket values 38.3571, 5.09015 #and delta stat 0, 4.22577 #but latest trial 11.7361 gives 4.22581 #Suggest that you check this result using the steppar command. #Apparent non-monotonicity in statistic space detected. #Current bracket values 99.3082, 104.892 #and delta stat 1.74332, 10.0644 #but latest trial 103.027 gives 12.0026 #Suggest that you check this result using the steppar command. # 3 21.7236 102.1 (-16.634,63.7423) # !XSPEC12> error 5 # Parameter Confidence Range (2.706) # Due to zero model norms, the following fit parameters are temporarily frozen:1 2 3 # #***XSPEC Error: No variable parameters for fit # Fit error occurred during lower bound error calculation. # 5 0 18.766 (-4.95172,13.8143) # !XSPEC12> flux 15.0 350.0 err 100 90 #Parameter distribution is derived from fit covariance matrix. # Model Flux 0.61137 photons (8.9311e-08 ergs/cm^2/s) range (15.000 - 350.00 keV) # Error range 0.000 - 0.6118 (0.000 - 9.206e-08) (90.00% confidence) # !XSPEC12> flux 15.0 150.0 err 100 90 #Parameter distribution is derived from fit covariance matrix. # Model Flux 0.48997 photons (4.4321e-08 ergs/cm^2/s) range (15.000 - 150.00 keV) # Error range 0.000 - 0.5103 (0.000 - 4.595e-08) (90.00% confidence) # !XSPEC12> flux 15.0 25.0 err 100 90 #Parameter distribution is derived from fit covariance matrix. # Model Flux 0.088321 photons (2.873e-09 ergs/cm^2/s) range (15.000 - 25.000 keV) # Error range 0.000 - 0.1151 (0.000 - 3.674e-09) (90.00% confidence) # !XSPEC12> flux 25.0 50.0 err 100 90 #Parameter distribution is derived from fit covariance matrix. # Model Flux 0.18169 photons (1.044e-08 ergs/cm^2/s) range (25.000 - 50.000 keV) # Error range 0.000 - 0.2034 (0.000 - 1.167e-08) (90.00% confidence) # !XSPEC12> flux 50.0 100.0 err 100 90 #Parameter distribution is derived from fit covariance matrix. # Model Flux 0.1482 photons (1.6897e-08 ergs/cm^2/s) range (50.000 - 100.00 keV) # Error range 0.000 - 0.1742 (0.000 - 1.964e-08) (90.00% confidence) # !XSPEC12> flux 100.0 150.0 err 100 90 #Parameter distribution is derived from fit covariance matrix. # Model Flux 0.071754 photons (1.411e-08 ergs/cm^2/s) range (100.00 - 150.00 keV) # Error range 0.000 - 0.09023 (0.000 - 1.777e-08) (90.00% confidence) # !XSPEC12> flux 100.0 350.0 err 100 90 #Parameter distribution is derived from fit covariance matrix. # Model Flux 0.19316 photons (5.9101e-08 ergs/cm^2/s) range (100.00 - 350.00 keV) # Error range 0.000 - 0.2602 (0.000 - 7.760e-08) (90.00% confidence) # !XSPEC12> log none #