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.
======================================================================
BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Mon Mar 3 22:41:25 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger586071
======================================================================
Trigger: 00586071 Segment: 000
BAT Trigger Time: 413623869.504 [s; MET]
Trigger Stop: 413623870.016 [s; MET]
UTC: 2014-02-09T07:30:57.881180 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 81.3347420112946 Dec: 32.477013277617 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.74
Image Trigger?: NO
Rate S/N Ratio: 15.7797338380595 [ if not an image trigger ]
Image S/N Ratio: 9.74
Analysis Position: [ source = BAT ]
RA: 81.3347420112946 Dec: 32.477013277617 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 81.3274012559897 Dec: 32.4884721348062 [deg; J2000]
{ 05h 25m 18.6s , +32d 29' 18.5" }
+/- 0.783788501459089 [arcmin] (estimated 90% radius based on SNR)
+/- 0.222804485578225 [arcmin] (formal 1-sigma fit error)
SNR: 43.0787234971595
Angular difference between the analysis and refined position is 0.781499 arcmin
Partial Coding Fraction: 0.3828125 [ including projection effects ]
Duration
T90: 20.432000041008 +/- 9.62708178563028
Measured from: 1.7039999961853
to: 22.1360000371933 [s; relative to TRIGTIME]
T50: 0.592000067234039 +/- 0.0815843022113378
Measured from: 1.95999997854233
to: 2.55200004577637 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.69199997186661
to: 2.69199997186661 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.15200001001358
to: 27.6240000128746 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.335441 2.107094 1.933753 0.576608
0.062658 0.067747 0.060738 0.047570 [error]
Peak 0.774136 1.555758 1.577069 0.479485
0.024895 0.033797 0.034685 0.022406 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 27.472 0.152 27.624
T90 20.432 1.704 22.136
T50 0.592 1.960 2.552
Peak 1.000 1.692 2.692
====== 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 -1.429 -0.063 0.063 - - - 1.57e-02 -5.53e-04 5.53e-04 52.370 57
CPL -1.162 -0.248 0.263 178.253 -60.891 1069.027 2.07e-02 -4.56e-03 6.24e-03 48.990 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 -1.230 -0.043 0.043 - - - 3.26e-01 -8.36e-03 8.35e-03 58.650 57
CPL -0.739 -0.182 0.190 152.383 -26.477 53.695 5.32e-01 -8.65e-02 1.07e-01 36.280 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 5.16e-07 9.90e-07 1.47e-06 4.70e-06 4.15e-06 7.68e-06 erg/cm2
90%_error_low -3.57e-08 -4.12e-08 -6.06e-08 -4.22e-07 -1.52e-07 -4.57e-07 erg/cm2
90%_error_hi 3.66e-08 4.10e-08 6.04e-08 4.50e-07 1.52e-07 4.78e-07 erg/cm2
Peak flux PL 1.81e-03 2.19e-02 2.40e-01 2.63e+01 1.07e+00 2.59e+01 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s
Fluence CPL 4.83e-07 1.01e-06 1.51e-06 3.38e-06 4.10e-06 6.39e-06 erg/cm2
90%_error_low -4.59e-08 -4.44e-08 -7.19e-08 -8.54e-07 -1.60e-07 -8.56e-07 erg/cm2
90%_error_hi 4.70e-08 4.47e-08 7.27e-08 1.21e-06 1.59e-07 1.20e-06 erg/cm2
Peak flux CPL 9.03e+00 1.25e+01 1.11e+01 1.01e+01 3.76e+01 4.27e+01 ph/cm2/s
90%_error_low -6.79e-01 -4.17e-01 -3.81e-01 -1.34e+00 -1.09e+00 -1.78e+00 ph/cm2/s
90%_error_hi 6.95e-01 4.18e-01 3.83e-01 1.60e+00 1.09e+00 1.95e+00 ph/cm2/s
======================================================================
Special notes of this burst