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: Sat Jan 11 22:47:52 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger573190
======================================================================
Trigger: 00573190 Segment: 000
BAT Trigger Time: 402615674.8 [s; MET]
Trigger Stop: 402615674.864 [s; MET]
UTC: 2013-10-04T21:41:03.688480 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 296.151463967544 Dec: -2.96000761369023 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.17
Image Trigger?: NO
Rate S/N Ratio: 25.7293606605372 [ if not an image trigger ]
Image S/N Ratio: 10.17
Analysis Position: [ source = BAT ]
RA: 296.151463967544 Dec: -2.96000761369023 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 296.108143486919 Dec: -2.95169898499796 [deg; J2000]
{ 19h 44m 26.0s , -02d 57' 06.1" }
+/- 1.09377478658263 [arcmin] (estimated 90% radius based on SNR)
+/- 0.397901487930913 [arcmin] (formal 1-sigma fit error)
SNR: 26.7612923824161
Angular difference between the analysis and refined position is 2.643207 arcmin
Partial Coding Fraction: 0.734375 [ including projection effects ]
Duration
T90: 1.53600001335144 +/- 0.326337243913619
Measured from: -0.184000015258789
to: 1.35199999809265 [s; relative to TRIGTIME]
T50: 0.51199996471405 +/- 0.0905096828275688
Measured from: 0.00800001621246338
to: 0.519999980926514 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.26800000667572
to: 0.73199999332428 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.248000025749207
to: 1.80000001192093 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.166058 0.201325 0.110951 0.014493
0.010369 0.010640 0.008919 0.006667 [error]
Peak 0.122672 0.171885 0.099673 0.013350
0.007931 0.008530 0.007006 0.004770 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 2.048 -0.248 1.800
T90 1.536 -0.184 1.352
T50 0.512 0.008 0.520
Peak 1.000 -0.268 0.732
====== 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 -1.805 -0.115 0.113 - - - 1.46e-02 -1.05e-03 1.04e-03 67.730 57
CPL -1.231 -0.469 0.538 60.678 -12.126 64.776 3.01e-02 -1.31e-02 2.87e-02 63.250 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: CPL)
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 -1.702 -0.102 0.101 - - - 2.53e-02 -1.64e-03 1.63e-03 81.190 57
CPL -0.852 -0.447 0.506 63.374 -9.489 21.163 7.18e-02 -2.98e-02 6.11e-02 69.540 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 5.10e-08 7.78e-08 8.90e-08 1.95e-07 2.76e-07 4.13e-07 erg/cm2
90%_error_low -4.99e-09 -4.99e-09 -8.52e-09 -3.57e-08 -2.00e-08 -4.44e-08 erg/cm2
90%_error_hi 5.11e-09 4.99e-09 8.56e-09 4.06e-08 2.02e-08 4.81e-08 erg/cm2
Peak flux PL 1.27e+00 1.13e+00 6.95e-01 6.49e-01 3.37e+00 3.74e+00 ph/cm2/s
90%_error_low -1.21e-01 -7.06e-02 -5.69e-02 -9.86e-02 -2.08e-01 -2.27e-01 ph/cm2/s
90%_error_hi 1.23e-01 7.04e-02 5.67e-02 1.08e-01 2.08e-01 2.27e-01 ph/cm2/s
Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_low -4.99e-09 -4.99e-09 -8.52e-09 -3.57e-08 -2.00e-08 -4.44e-08 erg/cm2
90%_error_hi 5.11e-09 4.99e-09 8.56e-09 4.06e-08 2.02e-08 4.81e-08 erg/cm2
Peak flux CPL 1.12e+00 1.24e+00 7.28e-01 2.64e-01 3.27e+00 3.35e+00 ph/cm2/s
90%_error_low -1.42e-01 -9.01e-02 -6.48e-02 -9.89e-02 -2.15e-01 -2.40e-01 ph/cm2/s
90%_error_hi 1.44e-01 9.25e-02 6.51e-02 1.50e-01 2.15e-01 2.53e-01 ph/cm2/s
======================================================================
Special notes of this burst