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 GROUND-DETECTED GRB DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Thu Apr 23 14:20:20 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/ground_detect_bursts/scripts
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Trigger: 00413805 Segment: 000
BAT Trigger Time: 288717615.204
UTC: 2010-02-24T15:20:09.724 [includes UTCF correction]
Where From?: Ground analysis (best_duration.txt)
NOTE: BAT trigger time for ground-detected burst is the T100 start time.
Analysis Position: [ source = GCN ]
RA: 83.467 Dec: -7.994 [deg; J2000]
Refined Position: [ source = BAT pre-slew image ]
RA: 83.467 Dec: -7.994 [deg; J2000]
{ 05h 33m 52.1s , -7d -59' -38.4" }
+/- 2.58173654119 [arcmin] (estimated 90% radius based on SNR)
SNR: 7.84746875585
Angular difference between the analysis and refined position is 0.000000 arcmin
Partial Coding Fraction: 1.03125 [ including projection effects ]
Duration
T90: 0.483999984264374 +/- 0.243655520555607
Measured from: 0
to: 0.484 [s; relative to TRIGTIME]
T50: 0.483999984264374 +/- 0.260192275293733
Measured from: 0
to: 0.484 [s; relative to TRIGTIME]
====== Table of the duration information =============================
Value tstart tstop
T100 0.484 0.000 0.484
T90 0.484 0.000 0.484
T50 0.484 0.000 0.484
Peak 1.000 -0.216 0.784
====== 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 -1.090 -0.375 0.387 - - - 6.70e-03 -1.39e-03 1.39e-03 71.660 57
CPL -0.926 -7.807 1.207 357.851 N/A N/A 7.99e-03 N/A N/A 71.610 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 -1.071 -0.557 0.604 - - - 2.95e-03 -9.18e-04 9.16e-04 54.820 57
CPL -0.916 0.916 2.426 378.679 N/A N/A 3.49e-03 N/A N/A 54.800 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 2.82e-09 6.68e-09 1.25e-08 5.70e-08 3.40e-08 7.90e-08 erg/cm2
90%_error_low -1.07e-09 -1.63e-09 -3.17e-09 -2.66e-08 -8.01e-09 -2.93e-08 erg/cm2
90%_error_hi 1.21e-09 1.58e-09 3.11e-09 4.03e-08 8.17e-09 4.14e-08 erg/cm2
Peak flux PL 8.06e-02 1.05e-01 9.97e-02 1.68e-01 3.41e-01 4.53e-01 ph/cm2/s
90%_error_low -4.47e-02 -4.06e-02 -3.58e-02 -9.97e-02 -1.08e-01 -1.50e-01 ph/cm2/s
90%_error_hi 5.48e-02 3.87e-02 3.47e-02 1.72e-01 1.09e-01 1.67e-01 ph/cm2/s
Fluence CPL 2.73e-09 6.77e-09 1.27e-08 4.47e-08 3.36e-08 5.94e-08 erg/cm2
90%_error_low -1.28e-09 -1.69e-09 -3.33e-09 N/A -8.73e-09 -3.09e-08 erg/cm2
90%_error_hi 1.12e-09 1.82e-09 3.57e-09 N/A 8.43e-09 2.88e-08 erg/cm2
Peak flux CPL 7.78e-02 1.06e-01 1.01e-01 1.40e-01 3.39e-01 4.25e-01 ph/cm2/s
90%_error_low -5.23e-02 -4.17e-02 -3.63e-02 -1.40e-01 -1.11e-01 -1.83e-01 ph/cm2/s
90%_error_hi 4.90e-02 4.47e-02 4.15e-02 1.15e-01 1.10e-01 1.89e-01 ph/cm2/s
======================================================================
Special notes of this burst