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: Fri Jan 17 18:04:45 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger424733
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Trigger: 00424733 Segment: 000
BAT Trigger Time: 298259949.888 [s; MET]
Trigger Stop: 298259950.4 [s; MET]
UTC: 2010-06-15T01:59:03.994640 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 177.207328867743 Dec: -19.4961246717107 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.47
Image Trigger?: NO
Rate S/N Ratio: 24.8797106092495 [ if not an image trigger ]
Image S/N Ratio: 10.47
Analysis Position: [ source = BAT ]
RA: 177.207328867743 Dec: -19.4961246717107 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 177.206896696251 Dec: -19.4818276375009 [deg; J2000]
{ 11h 48m 49.7s , -19d 28' 54.6" }
+/- 0.53475308005613 [arcmin] (estimated 90% radius based on SNR)
+/- 0.236200789362413 [arcmin] (formal 1-sigma fit error)
SNR: 74.3825077442666
Angular difference between the analysis and refined position is 0.858170 arcmin
Partial Coding Fraction: 0.9921875 [ including projection effects ]
Duration
T90: 38.8199999332428 +/- 0.816637012866886
Measured from: 1.2960000038147
to: 40.1159999370575 [s; relative to TRIGTIME]
T50: 23.4359999299049 +/- 1.45443869005261
Measured from: 7.26399999856949
to: 30.6999999284744 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 10.255999982357
to: 11.255999982357 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.0440000295639038
to: 47.4079999923706 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 3.166523 3.425759 2.063432 0.396882
0.044460 0.045767 0.039516 0.032415 [error]
Peak 0.192803 0.265776 0.181494 0.038326
0.008133 0.009009 0.007812 0.005528 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 47.452 -0.044 47.408
T90 38.820 1.296 40.116
T50 23.436 7.264 30.700
Peak 1.000 10.256 11.256
====== 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 -1.864 -0.044 0.043 - - - 1.13e-02 -2.39e-04 2.39e-04 51.900 57
CPL -1.646 -0.172 0.179 85.491 -17.274 107.912 1.42e-02 -2.34e-03 2.94e-03 47.160 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 -1.620 -0.075 0.075 - - - 4.30e-02 -1.83e-03 1.82e-03 49.470 57
CPL -1.278 -0.287 0.307 104.526 -28.303 237.230 6.40e-02 -1.78e-02 2.69e-02 45.270 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 9.62e-07 1.42e-06 1.56e-06 3.21e-06 4.92e-06 7.15e-06 erg/cm2
90%_error_low -4.07e-08 -3.35e-08 -4.42e-08 -2.06e-07 -1.05e-07 -2.29e-07 erg/cm2
90%_error_hi 4.15e-08 3.34e-08 4.41e-08 2.15e-07 1.05e-07 2.36e-07 erg/cm2
Peak flux PL 1.98e+00 1.86e+00 1.21e+00 1.22e+00 5.56e+00 6.27e+00 ph/cm2/s
90%_error_low -1.43e-01 -8.19e-02 -6.58e-02 -1.32e-01 -2.37e-01 -2.57e-01 ph/cm2/s
90%_error_hi 1.46e-01 8.16e-02 6.56e-02 1.41e-01 2.37e-01 2.57e-01 ph/cm2/s
Fluence CPL 9.12e-07 1.43e-06 1.57e-06 2.40e-06 4.82e-06 6.32e-06 erg/cm2
90%_error_low -5.45e-08 -3.55e-08 -4.67e-08 -4.72e-07 -1.27e-07 -4.99e-07 erg/cm2
90%_error_hi 5.56e-08 3.56e-08 4.70e-08 6.16e-07 1.27e-07 6.36e-07 erg/cm2
Peak flux CPL 1.86e+00 1.91e+00 1.24e+00 8.20e-01 5.45e+00 5.84e+00 ph/cm2/s
90%_error_low -1.72e-01 -9.41e-02 -7.13e-02 -2.25e-01 -2.52e-01 -3.53e-01 ph/cm2/s
90%_error_hi 1.75e-01 9.53e-02 7.21e-02 3.24e-01 2.52e-01 4.11e-01 ph/cm2/s
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