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: Mon Jan 13 06:54:58 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger514586
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Trigger: 00514586 Segment: 000
BAT Trigger Time: 350654315.968 [s; MET]
Trigger Stop: 350654324.16 [s; MET]
UTC: 2012-02-11T11:58:28.088540 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 87.751188537819 Dec: -24.7591984547618 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.93
Image Trigger?: NO
Rate S/N Ratio: 8.24621125123532 [ if not an image trigger ]
Image S/N Ratio: 7.93
Analysis Position: [ source = BAT ]
RA: 87.751188537819 Dec: -24.7591984547618 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 87.7797455193343 Dec: -24.7911638449394 [deg; J2000]
{ 05h 51m 07.1s , -24d 47' 28.2" }
+/- 2.08983859512222 [arcmin] (estimated 90% radius based on SNR)
+/- 1.16579176176868 [arcmin] (formal 1-sigma fit error)
SNR: 10.6124206961979
Angular difference between the analysis and refined position is 2.469550 arcmin
Partial Coding Fraction: 0.640625 [ including projection effects ]
Duration
T90: 64.3199999928474 +/- 8.83205800550182
Measured from: -0.375999987125397
to: 63.944000005722 [s; relative to TRIGTIME]
T50: 33.0239999890327 +/- 18.4165491049755
Measured from: 8.00800001621246
to: 41.0320000052452 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 41.0120000243187
to: 42.0120000243187 [s; relative to TRIGTIME]
Total Fluence
Measured from: -2.2960000038147
to: 71.688000023365 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.325892 0.428668 0.415169 0.127515
0.055831 0.057817 0.052402 0.050726 [error]
Peak 0.020401 0.010884 0.023897 0.006507
0.006731 0.006769 0.006228 0.006032 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 73.984 -2.296 71.688
T90 64.320 -0.376 63.944
T50 33.024 8.008 41.032
Peak 1.000 41.012 42.012
====== 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 -1.413 -0.224 0.223 - - - 1.21e-03 -1.60e-04 1.59e-04 47.930 57
CPL -0.576 -0.921 1.263 84.835 -24.094 -84.835 3.19e-03 -3.19e-03 9.89e-03 45.860 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 -1.445 -0.672 0.672 - - - 3.77e-03 -1.42e-03 1.38e-03 56.420 57
CPL -1.108 N/A N/A 129.773 N/A N/A 5.62e-03 N/A N/A 56.410 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 1.05e-07 2.04e-07 3.06e-07 9.96e-07 8.62e-07 1.61e-06 erg/cm2
90%_error_low -2.27e-08 -2.81e-08 -5.19e-08 -3.17e-07 -1.26e-07 -3.64e-07 erg/cm2
90%_error_hi 2.40e-08 2.78e-08 5.16e-08 4.06e-07 1.28e-07 4.38e-07 erg/cm2
Peak flux PL 1.47e-01 1.53e-01 1.12e-01 1.33e-01 4.64e-01 5.46e-01 ph/cm2/s
90%_error_low -8.32e-02 -6.05e-02 -5.22e-02 -9.19e-02 -1.68e-01 -1.99e-01 ph/cm2/s
90%_error_hi 9.82e-02 5.82e-02 5.14e-02 1.76e-01 1.69e-01 2.06e-01 ph/cm2/s
Fluence CPL 9.12e-08 2.21e-07 3.20e-07 3.31e-07 8.06e-07 9.64e-07 erg/cm2
90%_error_low -2.86e-08 -3.48e-08 -5.80e-08 -2.23e-07 -1.40e-07 -2.64e-07 erg/cm2
90%_error_hi 2.91e-08 3.64e-08 5.91e-08 7.77e-07 1.44e-07 4.61e-07 erg/cm2
Peak flux CPL 1.43e-01 1.56e-01 1.14e-01 1.04e-01 4.60e-01 5.17e-01 ph/cm2/s
90%_error_low -5.47e-02 -6.31e-02 -5.36e-02 -1.04e-01 -1.73e-01 -2.20e-01 ph/cm2/s
90%_error_hi 1.02e-01 6.95e-02 5.89e-02 1.18e-01 1.72e-01 2.28e-01 ph/cm2/s
======================================================================