XSPEC version: 12.9.0n
Build Date/Time: Thu May 12 09:56:58 2016
[?1034hXSPEC12>query no
XSPEC12>data 1:1 sw00718023000b_avg.pha
1 spectrum in use
Spectral Data File: sw00718023000b_avg.pha Spectrum 1
Net count rate (cts/s) for Spectrum:1 4.290e-02 +/- 2.739e-03
Assigned to Data Group 1 and Plot Group 1
Noticed Channels: 1-80
Telescope: SWIFT Instrument: BAT Channel Type: PI
Exposure Time: 246.7 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 sw00718023000b_avg.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 bremss
Input parameter value, delta, min, bot, top, and max values for ...
7 0.05( 0.07) 0.0001 0.0001 100 200
1:bremss:kT>7.0000 5.00000E-02 1.00000E-04 1.00000E-04 100.00 200
.00
1 0.01( 0.01) 0 0 1e+20 1e+24
2:bremss:norm>1.0000 1.00000E-02 0.0000 0.0000 1.00000E+24 1.
00000E+24
========================================================================
Model bremss<1> Source No.: 1 Active/On
Model Model Component Parameter Unit Value
par comp
1 1 bremss kT keV 7.00000 +/- 0.0
2 1 bremss norm 1.00000 +/- 0.0
________________________________________________________________________
Fit statistic : Chi-Squared = 2841.24 using 59 PHA bins.
Test statistic : Chi-Squared = 2841.24 using 59 PHA bins.
Reduced chi-squared = 49.8463 for 57 degrees of freedom
Null hypothesis probability = 0.000000e+00
Current data and model not fit yet.
XSPEC12>fit
Parameters
Chi-Squared |beta|/N Lvl 1:kT 2:norm
1471.95 31.3496 -2 14.5970 4.10076
616.556 30.5853 -3 37.9297 1.63892
430.159 108.403 -1 66.7300 1.09978
142.395 248.197 -2 198.313 0.973449
48.2458 219.852 -3 198.941 1.17962
48.2175 8.08335 -4 199.219 1.17990
48.2104 7.66838 -5 199.316 1.17991
==============================
Variances and Principal Axes
1 2
1.2116E+03| -1.0000 0.0003
4.8709E-04| -0.0003 -1.0000
------------------------------
========================
Covariance Matrix
1 2
1.212e+03 -3.893e-01
-3.893e-01 6.122e-04
------------------------
========================================================================
Model bremss<1> Source No.: 1 Active/On
Model Model Component Parameter Unit Value
par comp
1 1 bremss kT keV 199.316 +/- 34.8081
2 1 bremss norm 1.17991 +/- 2.47418E-02
________________________________________________________________________
Fit statistic : Chi-Squared = 48.21 using 59 PHA bins.
Test statistic : Chi-Squared = 48.21 using 59 PHA bins.
Reduced chi-squared = 0.8458 for 57 degrees of freedom
Null hypothesis probability = 7.900152e-01
XSPEC12>fit
Parameters
Chi-Squared |beta|/N Lvl 1:kT 2:norm
48.0969 0.00924112 0 199.329 1.18728
==============================
Variances and Principal Axes
1 2
1.2866E+03| -1.0000 0.0003
4.8705E-04| -0.0003 -1.0000
------------------------------
========================
Covariance Matrix
1 2
1.287e+03 -4.009e-01
-4.009e-01 6.120e-04
------------------------
========================================================================
Model bremss<1> Source No.: 1 Active/On
Model Model Component Parameter Unit Value
par comp
1 1 bremss kT keV 199.329 +/- 35.8686
2 1 bremss norm 1.18728 +/- 2.47379E-02
________________________________________________________________________
Fit statistic : Chi-Squared = 48.10 using 59 PHA bins.
Test statistic : Chi-Squared = 48.10 using 59 PHA bins.
Reduced chi-squared = 0.8438 for 57 degrees of freedom
Null hypothesis probability = 7.934275e-01
XSPEC12>fit 100
Parameters
Chi-Squared |beta|/N Lvl 1:kT 2:norm
48.0962 0.00919089 0 199.341 1.18727
==============================
Variances and Principal Axes
1 2
1.2987E+03| -1.0000 0.0003
4.8705E-04| -0.0003 -1.0000
------------------------------
========================
Covariance Matrix
1 2
1.299e+03 -4.027e-01
-4.027e-01 6.119e-04
------------------------
========================================================================
Model bremss<1> Source No.: 1 Active/On
Model Model Component Parameter Unit Value
par comp
1 1 bremss kT keV 199.341 +/- 36.0381
2 1 bremss norm 1.18727 +/- 2.47375E-02
________________________________________________________________________
Fit statistic : Chi-Squared = 48.10 using 59 PHA bins.
Test statistic : Chi-Squared = 48.10 using 59 PHA bins.
Reduced chi-squared = 0.8438 for 57 degrees of freedom
Null hypothesis probability = 7.934470e-01
XSPEC12>log bat_spec_brems.log
Logging to file:bat_spec_brems.log
XSPEC12>show
XSPEC version: 12.9.0n
Sun Nov 20 14:29:18 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: 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:
sw00718023000b_avg.rsp associated with spectrum 1 source 1
energies: 204 channels: 80
Distinct RMF files:
sw00718023000b_avg.rsp
1 file 1 spectrum
Spectrum 1 Spectral Data File: sw00718023000b_avg.pha
Net count rate (cts/s) for Spectrum:1 3.821e-02 +/- 8.966e-04
Assigned to Data Group 1 and Plot Group 1
Noticed Channels: 4-62
Telescope: SWIFT Instrument: BAT Channel Type: PI
Exposure Time: 246.7 sec
Using fit statistic: chi
Using test statistic: chi
Using Response (RMF) File sw00718023000b_avg.rsp for Source 1
Spectral data counts: 9.42525
Model predicted rate: 3.74291E-02
Current model list:
========================================================================
Model bremss<1> Source No.: 1 Active/On
Model Model Component Parameter Unit Value
par comp
1 1 bremss kT keV 199.341 +/- 36.0381
2 1 bremss norm 1.18727 +/- 2.47375E-02
________________________________________________________________________
Using energies from responses.
Fit statistic : Chi-Squared = 48.10 using 59 PHA bins.
Test statistic : Chi-Squared = 48.10 using 59 PHA bins.
Reduced chi-squared = 0.8438 for 57 degrees of freedom
Null hypothesis probability = 7.934470e-01
Weighting method: standard
XSPEC12>flux 15.0 25.0 err 500 90
Parameter distribution is derived from fit covariance matrix.
Model Flux 0.095012 photons (2.9564e-09 ergs/cm^2/s) range (15.000 - 25.000 keV)
Error range 0.09148 - 0.09825 (2.847e-09 - 3.057e-09) (90.00% confidence)
XSPEC12>flux 25.0 50.0 err 500 90
Parameter distribution is derived from fit covariance matrix.
Model Flux 0.10031 photons (5.6871e-09 ergs/cm^2/s) range (25.000 - 50.000 keV)
Error range 0.09689 - 0.1035 (5.493e-09 - 5.869e-09) (90.00% confidence)
XSPEC12>flux 50.0 150.0 err 500 90
Parameter distribution is derived from fit covariance matrix.
Model Flux 0.092544 photons (1.2472e-08 ergs/cm^2/s) range (50.000 - 150.00 keV)
Error range 0.08972 - 0.09538 (1.209e-08 - 1.285e-08) (90.00% confidence)
XSPEC12>flux 15.0 150.0 err 500 90
Parameter distribution is derived from fit covariance matrix.
Model Flux 0.28787 photons (2.1116e-08 ergs/cm^2/s) range (15.000 - 150.00 keV)
Error range 0.2783 - 0.2969 (2.042e-08 - 2.177e-08) (90.00% confidence)
XSPEC12>error 1
Parameter Confidence Range (2.706)
renorm: no renormalization necessary
Parameters
Chi-Squared |beta|/N Lvl 1:kT 2:norm
48.0646 0.00812353 0 200.000 1.18567
48.0609 2.76771 -1 200.000 1.18690
48.0609 0.125978 1 200.000 1.18690
==============================
Variances and Principal Axes
1 2
2.3357E+03| -1.0000 0.0002
4.8680E-04| -0.0002 -1.0000
------------------------------
========================
Covariance Matrix
1 2
2.336e+03 -5.378e-01
-5.378e-01 6.106e-04
------------------------
========================================================================
Model bremss<1> Source No.: 1 Active/On
Model Model Component Parameter Unit Value
par comp
1 1 bremss kT keV 200.000 +/- 48.3291
2 1 bremss norm 1.18690 +/- 2.47111E-02
________________________________________________________________________
Fit statistic : Chi-Squared = 48.06 using 59 PHA bins.
Test statistic : Chi-Squared = 48.06 using 59 PHA bins.
Reduced chi-squared = 0.8432 for 57 degrees of freedom
Null hypothesis probability = 7.945028e-01
***Warning: Number of trials exceeded before bracketing of delta fit-stat.
Last attempt: 200, with delta statistic: 0.0340778
*** Parameter lower bound is INVALID.
***Warning: Number of trials exceeded before bracketing of delta fit-stat.
Last attempt: 1.63312e+16, with delta statistic: 0
*** Parameter upper bound is INVALID.
1 174.838 0 (-25.1624,-200)
XSPEC12>error 2
Parameter Confidence Range (2.706)
2 1.15073 1.22332 (-0.0362943,0.0362943)
XSPEC12>log none
Log file closed
logging switched off
XSPEC12>setplot energy
XSPEC12>setplot command sc white
1
XSPEC12>setplot command cpd bat_spec_brems.gif/gif
2
XSPEC12>plot ldata delchi
XSPEC12>/*
XSPEC12>exit
XSPEC: quit
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters : value Lower 90% Upper 90%
kT [keV] : 200.000 (-25.1624 -200)
Norm : 1.18690 (-0.0362943 0.0362943)
------------------------------------------------------------
#Fit statistic : Chi-Squared = 48.06 using 59 PHA bins.
# Reduced chi-squared = 0.8432 for 57 degrees of freedom
# Null hypothesis probability = 7.945028e-01
Energy Fluence 90% Error
[keV] [erg/cm2] [erg/cm2]
15- 25 7.293e-07 2.590e-08
25- 50 1.403e-06 4.638e-08
50-150 3.077e-06 9.375e-08
15-150 5.209e-06 1.665e-07