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: Wed Jun 1 15:59:24 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger682339
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Trigger: 00682339 Segment: 000
BAT Trigger Time: 482030948.032 [s; MET]
Trigger Stop: 482030948.544 [s; MET]
UTC: 2016-04-11T01:28:51.924060 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 349.361911484438 Dec: -40.2708134633611 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.44
Image Trigger?: NO
Rate S/N Ratio: 15.9059737205869 [ if not an image trigger ]
Image S/N Ratio: 7.44
Analysis Position: [ source = BAT ]
RA: 349.361911484438 Dec: -40.2708134633611 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 349.373060255973 Dec: -40.258861585134 [deg; J2000]
{ 23h 17m 29.5s , -40d 15' 31.9" }
+/- 2.39899764309769 [arcmin] (estimated 90% radius based on SNR)
+/- 0.986504018371565 [arcmin] (formal 1-sigma fit error)
SNR: 8.71402166353091
Angular difference between the analysis and refined position is 0.880224 arcmin
Partial Coding Fraction: 0.2734375 [ including projection effects ]
Duration
T90: 0.355999946594238 +/- 0.0756042006334982
Measured from: 0.0879999995231628
to: 0.443999946117401 [s; relative to TRIGTIME]
T50: 0.195999979972839 +/- 0.0651152459160164
Measured from: 0.159999966621399
to: 0.355999946594238 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.241999983787537
to: 0.758000016212463 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.0600000023841858
to: 0.452000021934509 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.016191 0.049774 0.050797 0.013886
0.008515 0.008968 0.009117 0.006765 [error]
Peak 0.031910 0.073084 0.051593 0.016754
0.012152 0.012939 0.012400 0.009344 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 0.392 0.060 0.452
T90 0.356 0.088 0.444
T50 0.196 0.160 0.356
Peak 1.000 -0.242 0.758
====== 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 -1.409 -0.305 0.298 - - - 2.07e-02 -4.57e-03 4.56e-03 65.940 57
CPL 1.402 -1.778 3.305 66.585 -13.124 25.758 4.12e-01 -4.12e-01 1.07e+01 56.770 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 -1.632 -0.353 0.334 - - - 1.15e-02 -2.72e-03 2.68e-03 64.990 57
CPL 1.240 -2.158 4.029 51.931 -10.259 26.237 3.81e-01 -3.81e-01 4.53e+01 59.070 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 9.52e-09 1.85e-08 2.78e-08 9.07e-08 7.82e-08 1.47e-07 erg/cm2
90%_error_low -3.12e-09 -4.38e-09 -7.01e-09 -3.78e-08 -1.80e-08 -4.56e-08 erg/cm2
90%_error_hi 3.42e-09 4.35e-09 6.95e-09 4.92e-08 1.81e-08 5.38e-08 erg/cm2
Peak flux PL 5.35e-01 4.98e-01 3.22e-01 3.20e-01 1.49e+00 1.68e+00 ph/cm2/s
90%_error_low -1.70e-01 -1.14e-01 -9.29e-02 -1.48e-01 -3.34e-01 -3.77e-01 ph/cm2/s
90%_error_hi 1.84e-01 1.13e-01 9.27e-02 2.01e-01 3.35e-01 3.79e-01 ph/cm2/s
Fluence CPL 5.13e-09 2.29e-08 3.67e-08 1.30e-08 7.55e-08 7.78e-08 erg/cm2
90%_error_low -3.42e-09 -5.89e-09 -1.05e-08 N/A -1.93e-08 -2.14e-08 erg/cm2
90%_error_hi 4.18e-09 5.99e-09 1.07e-08 N/A 1.95e-08 2.85e-08 erg/cm2
Peak flux CPL 3.45e-01 6.45e-01 3.51e-01 3.30e-02 1.37e+00 1.37e+00 ph/cm2/s
90%_error_low -2.10e-01 -1.60e-01 -1.39e-01 -3.30e-02 -3.51e-01 -3.53e-01 ph/cm2/s
90%_error_hi 2.31e-01 1.70e-01 1.29e-01 1.38e-01 3.51e-01 3.62e-01 ph/cm2/s
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