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 20 05:20:48 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger297114
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Trigger: 00297114 Segment: 000
BAT Trigger Time: 217387408 [s; MET]
Trigger Stop: 217387472 [s; MET]
UTC: 2007-11-22T01:23:25.621540 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 276.58149464452 Dec: 47.063184122741 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.13
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.13
Analysis Position: [ source = BAT ]
RA: 276.58149464452 Dec: 47.063184122741 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 276.56960980633 Dec: 47.1044142651593 [deg; J2000]
{ 18h 26m 16.7s , +47d 06' 15.9" }
+/- 2.35717740298496 [arcmin] (estimated 90% radius based on SNR)
+/- 1.1941680639418 [arcmin] (formal 1-sigma fit error)
SNR: 8.93571737461226
Angular difference between the analysis and refined position is 2.521012 arcmin
Partial Coding Fraction: 0.6953125 [ including projection effects ]
Duration
T90: 71.4320000112057 +/- 13.9282791539919
Measured from: -22.5879999995232
to: 48.8440000116825 [s; relative to TRIGTIME]
T50: 35.5879999995232 +/- 14.1940811724705
Measured from: -7.47200000286102
to: 28.1159999966621 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.99599999189377
to: 3.99599999189377 [s; relative to TRIGTIME]
Total Fluence
Measured from: -29.4120000004768
to: 55.6920000016689 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.401253 0.293999 0.282138 0.022217
0.058751 0.060096 0.052350 0.045368 [error]
Peak 0.025319 0.010959 0.011065 0.001905
0.006515 0.006571 0.005607 0.004879 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 85.104 -29.412 55.692
T90 71.432 -22.588 48.844
T50 35.588 -7.472 28.116
Peak 1.000 2.996 3.996
====== 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: N/A)
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 -1.622 -0.308 0.297 - - - 7.76e-04 -1.43e-04 1.40e-04 74.420 57
CPL -1.420 -0.500 1.229 138.857 -138.857 -138.857 9.91e-04 -9.91e-04 3.20e-03 74.310 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: N/A)
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 -2.300 -1.278 0.858 - - - 2.35e-03 -2.35e-03 1.50e-03 41.910 57
CPL -1.990 -0.020 5.028 3.396 N/A N/A 3.05e-03 N/A N/A 42.180 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 9.46e-08 1.61e-07 2.10e-07 5.51e-07 6.16e-07 1.02e-06 erg/cm2
90%_error_low -2.49e-08 -2.77e-08 -5.09e-08 -2.35e-07 -1.20e-07 -2.89e-07 erg/cm2
90%_error_hi 2.63e-08 2.75e-08 5.08e-08 3.29e-07 1.22e-07 3.63e-07 erg/cm2
Peak flux PL 2.10e-01 1.32e-01 5.37e-02 2.95e-02 4.11e-01 4.25e-01 ph/cm2/s
90%_error_low -1.06e-01 -6.50e-02 -4.18e-02 -2.95e-02 -1.59e-01 -1.69e-01 ph/cm2/s
90%_error_hi 1.09e-01 5.51e-02 5.14e-02 8.35e-02 1.59e-01 1.71e-01 ph/cm2/s
Fluence CPL 9.20e-08 1.65e-07 2.12e-07 3.97e-07 6.07e-07 8.66e-07 erg/cm2
90%_error_low -2.89e-08 -3.10e-08 -5.27e-08 -3.12e-07 -1.29e-07 -3.49e-07 erg/cm2
90%_error_hi 2.68e-08 3.51e-08 5.46e-08 2.17e-07 1.28e-07 2.53e-07 erg/cm2
Peak flux CPL 1.95e-01 7.48e-02 1.75e-02 5.96e-03 2.91e-01 2.93e-01 ph/cm2/s
90%_error_low -1.12e-01 -7.48e-02 N/A -5.96e-03 N/A N/A ph/cm2/s
90%_error_hi 1.12e-01 1.05e-01 N/A 4.83e-02 N/A N/A ph/cm2/s
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