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 17:18:22 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger206773
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Trigger: 00206773 Segment: 000
BAT Trigger Time: 167544980.672 [s; MET]
Trigger Stop: 167544981.696 [s; MET]
UTC: 2006-04-24T04:16:19.520420 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 7.35525645990139 Dec: 36.8198378270448 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.1
Image Trigger?: NO
Rate S/N Ratio: 21.2132034355964 [ if not an image trigger ]
Image S/N Ratio: 10.1
Analysis Position: [ source = BAT ]
RA: 7.35525645990139 Dec: 36.8198378270448 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 7.35897766896579 Dec: 36.7845636298646 [deg; J2000]
{ 00h 29m 26.2s , +36d 47' 04.4" }
+/- 1.70236221959549 [arcmin] (estimated 90% radius based on SNR)
+/- 0.813305717588225 [arcmin] (formal 1-sigma fit error)
SNR: 14.2247333353899
Angular difference between the analysis and refined position is 2.123989 arcmin
Partial Coding Fraction: 0.53125 [ including projection effects ]
Duration
T90: 37.6800000071526 +/- 3.47315419041859
Measured from: -17.8439999818802
to: 19.8360000252724 [s; relative to TRIGTIME]
T50: 11.5440000295639 +/- 8.376860001479
Measured from: -8.36800000071526
to: 3.17600002884865 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.108000010251999
to: 1.108000010252 [s; relative to TRIGTIME]
Total Fluence
Measured from: -20.4599999785423
to: 20.4760000109673 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.371056 0.428516 0.278942 0.041417
0.039724 0.041268 0.035770 0.030336 [error]
Peak 0.060524 0.075356 0.046287 0.006741
0.007139 0.007780 0.006821 0.004791 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 40.936 -20.460 20.476
T90 37.680 -17.844 19.836
T50 11.544 -8.368 3.176
Peak 1.000 0.108 1.108
====== 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: 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 -1.698 -0.185 0.180 - - - 1.81e-03 -2.08e-04 2.05e-04 61.720 57
CPL -1.190 -0.625 0.819 73.363 -23.300 -73.363 3.41e-03 -1.72e-03 5.89e-03 60.200 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 -1.694 -0.201 0.193 - - - 1.23e-02 -1.57e-03 1.55e-03 50.360 57
CPL -0.897 -0.863 1.104 63.629 -16.221 -63.629 3.33e-02 -3.33e-02 9.74e-02 48.050 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 1.14e-07 1.85e-07 2.29e-07 5.57e-07 6.86e-07 1.09e-06 erg/cm2
90%_error_low -1.79e-08 -1.93e-08 -3.50e-08 -1.57e-07 -8.23e-08 -1.93e-07 erg/cm2
90%_error_hi 1.85e-08 1.93e-08 3.51e-08 1.93e-07 8.34e-08 2.22e-07 erg/cm2
Peak flux PL 6.11e-01 5.48e-01 3.39e-01 3.19e-01 1.63e+00 1.82e+00 ph/cm2/s
90%_error_low -1.05e-01 -6.36e-02 -5.55e-02 -9.17e-02 -1.88e-01 -2.11e-01 ph/cm2/s
90%_error_hi 1.10e-01 6.34e-02 5.53e-02 1.11e-01 1.88e-01 2.12e-01 ph/cm2/s
Fluence CPL 1.07e-07 1.97e-07 2.31e-07 2.51e-07 6.56e-07 7.87e-07 erg/cm2
90%_error_low -2.07e-08 -2.49e-08 -3.80e-08 -1.59e-07 -9.07e-08 -1.86e-07 erg/cm2
90%_error_hi 2.07e-08 2.58e-08 3.80e-08 3.62e-07 9.28e-08 3.84e-07 erg/cm2
Peak flux CPL 5.50e-01 5.99e-01 3.51e-01 1.31e-01 1.59e+00 1.63e+00 ph/cm2/s
90%_error_low -1.28e-01 -8.48e-02 -6.26e-02 -8.35e-02 -1.96e-01 -2.19e-01 ph/cm2/s
90%_error_hi 1.29e-01 8.86e-02 6.30e-02 2.21e-01 1.95e-01 2.73e-01 ph/cm2/s
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