#XSPEC version: 12.9.1m #Build Date/Time: Wed Aug 16 10:19:00 2017 # !XSPEC12>show # #XSPEC version: 12.9.1m # #Mon Aug 28 21:32:18 2017 # 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: # /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger767284/remake_spec_cflux/spec_20ms_peak/sw00767284000b_20ms_peak.rsp associated with spectrum 1 source 1 # energies: 204 channels: 10 # Distinct RMF files: # /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger767284/remake_spec_cflux/spec_20ms_peak/sw00767284000b_20ms_peak.rsp # #1 file 1 spectrum #Spectrum 1 Spectral Data File: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger767284/remake_spec_cflux/spec_20ms_peak/sw00767284000b_20ms_peak.pha #Net count rate (cts/s) for Spectrum:1 4.961e-01 +/- 9.934e-02 # Assigned to Data Group 1 and Plot Group 1 # Noticed Channels: 1-10 # Telescope: SWIFT Instrument: BAT Channel Type: PI # Exposure Time: 0.02 sec # Using fit statistic: chi # Using test statistic: chi # Using Response (RMF) File /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger767284/remake_spec_cflux/spec_20ms_peak/sw00767284000b_20ms_peak.rsp for Source 1 # # Spectral data counts: 0.00992242 # Model predicted rate: 0.377699 # # #Current model list: # #======================================================================== #Model cpflux<1>*npow<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cpflux Emin keV 15.0000 frozen # 2 1 cpflux Emax keV 150.000 frozen # 3 1 cpflux Flux 2.80196 +/- 0.671466 # 4 2 npow PhoIndex 0.750727 +/- 0.475117 # 5 2 npow enorm keV 50.0000 frozen # 6 2 npow norm 1.00000 frozen #________________________________________________________________________ # # Using energies from responses. # #Fit statistic : Chi-Squared = 14.81 using 10 PHA bins. # #Test statistic : Chi-Squared = 14.81 using 10 PHA bins. # Reduced chi-squared = 1.852 for 8 degrees of freedom # Null hypothesis probability = 6.286529e-02 # Weighting method: standard # !XSPEC12>error 3 # Parameter Confidence Range (2.706) # Warning: renorm - no variable model to allow renormalization # Parameters #Chi-Squared |beta|/N Lvl 3:Flux 4:PhoIndex #14.5469 0.263336 -1 0.552284 -2.18326 #14.5294 1.09811 -1 0.527865 -2.19687 #14.512 1.16773 -1 0.509789 -2.20875 #14.4983 1.07345 -1 0.495203 -2.21883 #14.4879 0.961467 -1 0.483010 -2.22743 #14.4801 0.859961 -1 0.472630 -2.23483 #============================== # Variances and Principal Axes # 3 4 # 6.0132E-01| -0.8480 -0.5299 # 3.7817E-03| 0.5299 -0.8480 #------------------------------ # #======================== # Covariance Matrix # 1 2 # 4.335e-01 2.685e-01 # 2.685e-01 1.716e-01 #------------------------ # #======================================================================== #Model cpflux<1>*npow<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cpflux Emin keV 15.0000 frozen # 2 1 cpflux Emax keV 150.000 frozen # 3 1 cpflux Flux 0.472630 +/- 0.658424 # 4 2 npow PhoIndex -2.23483 +/- 0.414226 # 5 2 npow enorm keV 50.0000 frozen # 6 2 npow norm 1.00000 frozen #________________________________________________________________________ # # #Fit statistic : Chi-Squared = 14.48 using 10 PHA bins. # #Test statistic : Chi-Squared = 14.48 using 10 PHA bins. # Reduced chi-squared = 1.810 for 8 degrees of freedom # Null hypothesis probability = 7.007877e-02 #***Warning: New best fit found, fit parameters will be set to new values. # Warning: renorm - no variable model to allow renormalization # Parameters #Chi-Squared |beta|/N Lvl 3:Flux 4:PhoIndex #14.4675 0.201454 -1 0.456892 -2.24739 #============================== # Variances and Principal Axes # 3 4 # 5.9873E-01| -0.8436 -0.5370 # 3.5036E-03| 0.5370 -0.8436 #------------------------------ # #======================== # Covariance Matrix # 1 2 # 4.271e-01 2.696e-01 # 2.696e-01 1.751e-01 #------------------------ # #======================================================================== #Model cpflux<1>*npow<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cpflux Emin keV 15.0000 frozen # 2 1 cpflux Emax keV 150.000 frozen # 3 1 cpflux Flux 0.456892 +/- 0.653519 # 4 2 npow PhoIndex -2.24739 +/- 0.418503 # 5 2 npow enorm keV 50.0000 frozen # 6 2 npow norm 1.00000 frozen #________________________________________________________________________ # # #Fit statistic : Chi-Squared = 14.47 using 10 PHA bins. # #Test statistic : Chi-Squared = 14.47 using 10 PHA bins. # Reduced chi-squared = 1.808 for 8 degrees of freedom # Null hypothesis probability = 7.036583e-02 #***Warning: New best fit found, fit parameters will be set to new values. # Warning: renorm - no variable model to allow renormalization # Parameters #Chi-Squared |beta|/N Lvl 3:Flux 4:PhoIndex #14.4531 0.311597 -1 0.417179 -2.27584 #============================== # Variances and Principal Axes # 3 4 # 6.1219E-01| -0.8223 -0.5691 # 3.1975E-03| 0.5691 -0.8223 #------------------------------ # #======================== # Covariance Matrix # 1 2 # 4.150e-01 2.850e-01 # 2.850e-01 2.004e-01 #------------------------ # #======================================================================== #Model cpflux<1>*npow<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cpflux Emin keV 15.0000 frozen # 2 1 cpflux Emax keV 150.000 frozen # 3 1 cpflux Flux 0.417179 +/- 0.644190 # 4 2 npow PhoIndex -2.27584 +/- 0.447670 # 5 2 npow enorm keV 50.0000 frozen # 6 2 npow norm 1.00000 frozen #________________________________________________________________________ # # #Fit statistic : Chi-Squared = 14.45 using 10 PHA bins. # #Test statistic : Chi-Squared = 14.45 using 10 PHA bins. # Reduced chi-squared = 1.807 for 8 degrees of freedom # Null hypothesis probability = 7.069459e-02 #***Warning: New best fit found, fit parameters will be set to new values. #***Warning: Zero alpha-matrix diagonal element for parameter 4 # Parameter 4 is pegged at -2.27584 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # #***XSPEC Error: No variable parameters for fit # Fit error occurred during lower bound error calculation. # 3 0 3.8539 (-0.414373,3.43953) # !XSPEC12>error 4 # Parameter Confidence Range (2.706) # #***Warning: Number of trials exceeded before bracketing of delta fit-stat. #Last attempt: -3, with delta statistic: 0.407033 # # #*** Parameter lower bound is INVALID. # #Apparent non-monotonicity in statistic space detected. #Current bracket values -2.47038, -0.997552 #and delta stat 0, 3.17436 #but latest trial -1.11054 gives 3.35475 #Suggest that you check this result using the steppar command. # 4 0 -1.73397 (2.2799,0.545938) # !XSPEC12>log none #