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 18:14:36 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger675361
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Trigger: 00675361 Segment: 000
BAT Trigger Time: 477884681.152 [s; MET]
Trigger Stop: 477884685.248 [s; MET]
UTC: 2016-02-23T01:44:25.270300 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 147.583623924545 Dec: 9.37258061929805 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.52
Image Trigger?: NO
Rate S/N Ratio: 10.0498756211209 [ if not an image trigger ]
Image S/N Ratio: 7.52
Analysis Position: [ source = BAT ]
RA: 147.583623924545 Dec: 9.37258061929805 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 147.605648785973 Dec: 9.36774140759629 [deg; J2000]
{ 09h 50m 25.4s , +09d 22' 03.9" }
+/- 1.0054662170295 [arcmin] (estimated 90% radius based on SNR)
+/- 0.360341810262211 [arcmin] (formal 1-sigma fit error)
SNR: 30.1811831744101
Angular difference between the analysis and refined position is 1.335797 arcmin
Partial Coding Fraction: 0.5390625 [ including projection effects ]
Duration
T90: 134.863999962807 +/- 17.4523558703056
Measured from: 0.0600000023841858
to: 134.923999965191 [s; relative to TRIGTIME]
T50: 21.12399995327 +/- 5.59414832688933
Measured from: 89.3359999656677
to: 110.459999918938 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 109.948000013828
to: 110.948000013828 [s; relative to TRIGTIME]
Total Fluence
Measured from: -6
to: 182.039999961853 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.896406 2.967764 2.510335 0.508971
0.103045 0.107863 0.093981 0.080939 [error]
Peak 0.081726 0.142822 0.137805 0.037414
0.009059 0.010467 0.010224 0.007555 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 188.040 -6.000 182.040
T90 134.864 0.060 134.924
T50 21.124 89.336 110.460
Peak 1.000 109.948 110.948
====== 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 -1.354 -0.073 0.073 - - - 2.86e-03 -1.15e-04 1.15e-04 57.560 57
CPL -0.958 -0.288 0.309 139.844 -39.167 207.937 4.41e-03 -1.17e-03 1.71e-03 51.910 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 -1.171 -0.132 0.133 - - - 2.66e-02 -2.07e-03 2.07e-03 54.360 57
CPL -0.860 -0.374 0.562 195.401 -195.401 -195.401 3.77e-02 -1.25e-02 3.14e-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 5.99e-07 1.20e-06 1.88e-06 6.50e-06 5.25e-06 1.02e-05 erg/cm2
90%_error_low -4.60e-08 -5.53e-08 -9.31e-08 -6.94e-07 -2.31e-07 -7.55e-07 erg/cm2
90%_error_hi 4.72e-08 5.50e-08 9.29e-08 7.51e-07 2.31e-07 8.02e-07 erg/cm2
Peak flux PL 8.00e-01 9.80e-01 8.70e-01 1.33e+00 3.11e+00 3.98e+00 ph/cm2/s
90%_error_low -1.13e-01 -8.74e-02 -8.01e-02 -2.40e-01 -2.45e-01 -3.35e-01 ph/cm2/s
90%_error_hi 1.18e-01 8.65e-02 7.94e-02 2.71e-01 2.45e-01 3.41e-01 ph/cm2/s
Fluence CPL 5.51e-07 1.24e-06 1.94e-06 3.77e-06 5.10e-06 7.50e-06 erg/cm2
90%_error_low -5.66e-08 -6.25e-08 -1.04e-07 -1.15e-06 -2.56e-07 -1.16e-06 erg/cm2
90%_error_hi 5.77e-08 6.33e-08 1.05e-07 1.78e-06 2.55e-07 1.77e-06 erg/cm2
Peak flux CPL 7.52e-01 1.01e+00 9.01e-01 9.43e-01 3.08e+00 3.60e+00 ph/cm2/s
90%_error_low -1.37e-01 -9.84e-02 -9.36e-02 -3.93e-01 -2.51e-01 -4.71e-01 ph/cm2/s
90%_error_hi 1.40e-01 1.01e-01 9.57e-02 4.60e-01 2.51e-01 5.70e-01 ph/cm2/s
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