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 19:08:07 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger669319
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Trigger: 00669319 Segment: 000
BAT Trigger Time: 473599466.496 [s; MET]
Trigger Stop: 473599467.52 [s; MET]
UTC: 2016-01-04T11:24:10.846420 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 76.8038165818516 Dec: 11.3540862276317 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.69
Image Trigger?: NO
Rate S/N Ratio: 15.7162336455017 [ if not an image trigger ]
Image S/N Ratio: 8.69
Analysis Position: [ source = BAT ]
RA: 76.8038165818516 Dec: 11.3540862276317 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 76.8104786072597 Dec: 11.3325967804089 [deg; J2000]
{ 05h 07m 14.5s , +11d 19' 57.3" }
+/- 1.65507686297469 [arcmin] (estimated 90% radius based on SNR)
+/- 0.574623163555882 [arcmin] (formal 1-sigma fit error)
SNR: 14.8088385311091
Angular difference between the analysis and refined position is 1.347614 arcmin
Partial Coding Fraction: 1.015625 [ including projection effects ]
Duration
T90: 16.5639999508858 +/- 2.78765064453465
Measured from: -0.935999989509583
to: 15.6279999613762 [s; relative to TRIGTIME]
T50: 10.3159999847412 +/- 3.98850551658403
Measured from: 0.343999981880188
to: 10.6599999666214 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.163999974727631
to: 0.836000025272369 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.31199997663498
to: 17.6480000019073 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.249276 0.308652 0.169364 0.015621
0.027393 0.028522 0.024132 0.020343 [error]
Peak 0.034432 0.058013 0.035211 0.008057
0.006728 0.007205 0.006288 0.004772 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 18.960 -1.312 17.648
T90 16.564 -0.936 15.628
T50 10.316 0.344 10.660
Peak 1.000 -0.164 0.836
====== 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 -1.755 -0.193 0.186 - - - 2.32e-03 -2.92e-04 2.87e-04 61.540 57
CPL -1.017 -0.726 0.897 57.998 -14.705 281.262 6.04e-03 -3.62e-03 1.33e-02 58.500 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 -1.481 -0.258 0.252 - - - 8.23e-03 -1.33e-03 1.32e-03 54.810 57
CPL -0.724 -0.877 1.361 77.848 -25.731 -77.848 2.12e-02 -2.12e-02 9.63e-02 53.270 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 7.14e-08 1.12e-07 1.33e-07 3.06e-07 4.06e-07 6.23e-07 erg/cm2
90%_error_low -1.10e-08 -1.20e-08 -2.23e-08 -9.19e-08 -5.23e-08 -1.17e-07 erg/cm2
90%_error_hi 1.13e-08 1.20e-08 2.26e-08 1.15e-07 5.33e-08 1.35e-07 erg/cm2
Peak flux PL 3.33e-01 3.39e-01 2.43e-01 2.77e-01 1.02e+00 1.19e+00 ph/cm2/s
90%_error_low -7.87e-02 -5.36e-02 -4.93e-02 -9.74e-02 -1.56e-01 -1.89e-01 ph/cm2/s
90%_error_hi 8.30e-02 5.32e-02 4.90e-02 1.25e-01 1.56e-01 1.92e-01 ph/cm2/s
Fluence CPL 6.65e-08 1.23e-07 1.32e-07 9.61e-08 3.77e-07 4.17e-07 erg/cm2
90%_error_low -1.24e-08 -1.60e-08 -2.62e-08 -6.47e-08 -5.70e-08 -8.80e-08 erg/cm2
90%_error_hi 1.25e-08 1.67e-08 2.52e-08 2.02e-07 5.96e-08 2.06e-07 erg/cm2
Peak flux CPL 3.02e-01 3.70e-01 2.52e-01 1.14e-01 9.98e-01 1.04e+00 ph/cm2/s
90%_error_low -9.00e-02 -3.46e-02 -5.62e-02 -1.14e-01 -1.60e-01 -1.86e-01 ph/cm2/s
90%_error_hi 9.30e-02 7.35e-02 5.60e-02 2.06e-01 1.60e-01 2.71e-01 ph/cm2/s
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