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: Thu Mar 17 19:01:50 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger670800
======================================================================
Trigger: 00670800 Segment: 000
BAT Trigger Time: 474731983.36 [s; MET]
Trigger Stop: 474731984.384 [s; MET]
UTC: 2016-01-17T13:59:27.649320 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 132.190488716105 Dec: -16.3400348873399 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.06
Image Trigger?: NO
Rate S/N Ratio: 11.4455231422596 [ if not an image trigger ]
Image S/N Ratio: 7.06
Analysis Position: [ source = BAT ]
RA: 132.190488716105 Dec: -16.3400348873399 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 132.170487312476 Dec: -16.3432403732475 [deg; J2000]
{ 08h 48m 40.9s , -16d 20' 35.7" }
+/- 1.46484935781316 [arcmin] (estimated 90% radius based on SNR)
+/- 0.52363524188656 [arcmin] (formal 1-sigma fit error)
SNR: 17.630770291536
Angular difference between the analysis and refined position is 1.167552 arcmin
Partial Coding Fraction: 0.9375 [ including projection effects ]
Duration
T90: 11.5359999537468 +/- 2.60802764034251
Measured from: 0.367999970912933
to: 11.9039999246597 [s; relative to TRIGTIME]
T50: 3.05199992656708 +/- 2.28039291133579
Measured from: 2.05199998617172
to: 5.1039999127388 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.17199999094009
to: 3.17199999094009 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.0199999809265137
to: 14.472000002861 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.319477 0.283244 0.114536 0.006300
0.025141 0.025535 0.021227 0.018047 [error]
Peak 0.083649 0.086467 0.036505 0.007199
0.007572 0.007853 0.006098 0.004590 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 14.452 0.020 14.472
T90 11.536 0.368 11.904
T50 3.052 2.052 5.104
Peak 1.000 2.172 3.172
====== 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 -2.285 -0.219 0.204 - - - 2.45e-03 -3.76e-04 3.69e-04 52.280 57
CPL -1.778 -0.219 1.099 16.149 -15.591 23.598 5.08e-03 -5.08e-03 2.05e-02 51.240 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 -2.026 -0.196 0.186 - - - 1.14e-02 -1.50e-03 1.47e-03 65.300 57
CPL -1.437 -0.698 1.150 38.142 N/A N/A 2.56e-02 N/A N/A 63.920 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 9.51e-08 1.09e-07 8.92e-08 1.23e-07 3.38e-07 4.16e-07 erg/cm2
90%_error_low -1.24e-08 -1.17e-08 -1.83e-08 -4.24e-08 -4.20e-08 -6.80e-08 erg/cm2
90%_error_hi 1.26e-08 1.16e-08 1.92e-08 5.58e-08 4.32e-08 7.81e-08 erg/cm2
Peak flux PL 7.78e-01 5.75e-01 2.82e-01 1.97e-01 1.73e+00 1.83e+00 ph/cm2/s
90%_error_low -1.12e-01 -5.92e-02 -4.82e-02 -5.74e-02 -1.78e-01 -1.89e-01 ph/cm2/s
90%_error_hi 1.15e-01 5.91e-02 4.89e-02 7.02e-02 1.78e-01 1.89e-01 ph/cm2/s
Fluence CPL 9.29e-08 1.15e-07 8.24e-08 4.39e-08 3.17e-07 3.34e-07 erg/cm2
90%_error_low -1.32e-08 -1.36e-08 -2.59e-08 -3.62e-08 -4.92e-08 -6.45e-08 erg/cm2
90%_error_hi 1.25e-08 1.62e-08 2.27e-08 8.87e-08 5.12e-08 1.08e-07 erg/cm2
Peak flux CPL 7.46e-01 6.18e-01 2.75e-01 8.39e-02 1.70e+00 1.72e+00 ph/cm2/s
90%_error_low -1.24e-01 -8.40e-02 -6.39e-02 -8.39e-02 -1.84e-01 -2.00e-01 ph/cm2/s
90%_error_hi 1.24e-01 9.13e-02 5.47e-02 1.66e-01 1.83e-01 2.44e-01 ph/cm2/s
======================================================================
Special notes of this burst