Analysis Summary
Notes:
- 1) No attempt has been made to eliminate the non-significant decimal places.
- 2) This batgrbproduct analysis is done using the HEASARC data.
- 3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Wed Jan 22 15:18:36 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger217704
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Trigger: 00217704 Segment: 000
BAT Trigger Time: 174000620.8 [s; MET]
Trigger Stop: 174000624.896 [s; MET]
UTC: 2006-07-07T21:30:19.497320 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 357.079370004711 Dec: -17.9229403218212 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.58
Image Trigger?: NO
Rate S/N Ratio: 11.4455231422596 [ if not an image trigger ]
Image S/N Ratio: 8.58
Analysis Position: [ source = BAT ]
RA: 357.079370004711 Dec: -17.9229403218212 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 357.073600420415 Dec: -17.9078990506836 [deg; J2000]
{ 23h 48m 17.7s , -17d 54' 28.4" }
+/- 1.44999154811882 [arcmin] (estimated 90% radius based on SNR)
+/- 0.548273793444466 [arcmin] (formal 1-sigma fit error)
SNR: 17.8894207627549
Angular difference between the analysis and refined position is 0.960709 arcmin
Partial Coding Fraction: 0.4335938 [ including projection effects ]
Duration
T90: 66.6440000236034 +/- 6.37671418727915
Measured from: -46.380000025034
to: 20.2639999985695 [s; relative to TRIGTIME]
T50: 34.6480000019073 +/- 14.6414148361581
Measured from: -24.9000000059605
to: 9.74799999594688 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 3.05199998617172
to: 4.05199998617172 [s; relative to TRIGTIME]
Total Fluence
Measured from: -48.9560000002384
to: 25.4439999759197 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.657173 1.097406 0.733202 0.138317
0.066824 0.069174 0.060193 0.050796 [error]
Peak 0.037270 0.048231 0.026118 0.012595
0.008119 0.008631 0.007484 0.006149 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 74.400 -48.956 25.444
T90 66.644 -46.380 20.264
T50 34.648 -24.900 9.748
Peak 1.000 3.052 4.052
====== Spectral Analysis Summary =====================================
Model : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index : photon index: E^{Ph_index}
Ph_90err : 90% error of the photon index
Epeak : Epeak in keV
Epeak_90err: 90% error of Epeak
Norm : normalization at 50 keV in both the PL model and CPL model
Nomr_90err : 90% error of the normalization
chi2 : Chi-Squared
dof : degree of freedo
=== Time-averaged spectral analysis ===
(Best model with acceptable fit: CPL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -1.672 -0.127 0.125 - - - 2.46e-03 -1.95e-04 1.95e-04 72.330 57
CPL -0.424 -0.587 0.674 61.949 -8.236 15.016 1.06e-02 -5.22e-03 1.25e-02 57.320 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: PL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -1.677 -0.373 0.358 - - - 8.18e-03 -1.81e-03 1.76e-03 62.460 57
CPL -1.655 N/A N/A 642.153 N/A N/A 8.41e-03 N/A N/A 62.470 56
=== Fluence/Peak Flux Summary ===
Model Band1 Band2 Band3 Band4 Band5 Total
15-25 25-50 50-100 100-350 15-150 15-350 keV
Fluence PL 2.74e-07 4.54e-07 5.70e-07 1.42e-06 1.70e-06 2.72e-06 erg/cm2
90%_error_low -3.33e-08 -3.59e-08 -5.78e-08 -2.76e-07 -1.41e-07 -3.32e-07 erg/cm2
90%_error_hi 3.44e-08 3.59e-08 5.77e-08 3.15e-07 1.41e-07 3.61e-07 erg/cm2
Peak flux PL 3.99e-01 3.62e-01 2.26e-01 2.16e-01 1.08e+00 1.20e+00 ph/cm2/s
90%_error_low -1.30e-01 -7.79e-02 -6.34e-02 -1.01e-01 -2.26e-01 -2.47e-01 ph/cm2/s
90%_error_hi 1.40e-01 7.68e-02 6.21e-02 1.41e-01 2.27e-01 2.48e-01 ph/cm2/s
Fluence CPL 2.24e-07 5.13e-07 6.07e-07 3.50e-07 1.58e-06 1.69e-06 erg/cm2
90%_error_low -3.95e-08 -4.60e-08 -6.85e-08 -1.56e-07 -1.49e-07 -2.12e-07 erg/cm2
90%_error_hi 4.07e-08 4.72e-08 6.85e-08 2.77e-07 1.51e-07 2.99e-07 erg/cm2
Peak flux CPL 4.02e-01 3.60e-01 2.26e-01 2.24e-01 1.08e+00 1.22e+00 ph/cm2/s
90%_error_low N/A -3.85e-02 -6.54e-02 N/A -2.31e-01 -2.78e-01 ph/cm2/s
90%_error_hi N/A 9.37e-02 6.78e-02 N/A 2.28e-01 2.35e-01 ph/cm2/s
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