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: Sun Jul 31 21:04:28 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger704572
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Trigger: 00704572 Segment: 000
BAT Trigger Time: 490324126.592 [s; MET]
Trigger Stop: 490324128.64 [s; MET]
UTC: 2016-07-16T01:08:30.026020 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 190.54362714462 Dec: -61.3659454743721 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.92
Image Trigger?: NO
Rate S/N Ratio: 15.0332963783729 [ if not an image trigger ]
Image S/N Ratio: 8.92
Analysis Position: [ source = BAT ]
RA: 190.54362714462 Dec: -61.3659454743721 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 190.502425295578 Dec: -61.3645114902404 [deg; J2000]
{ 12h 42m 00.6s , -61d 21' 52.2" }
+/- 2.03500228609883 [arcmin] (estimated 90% radius based on SNR)
+/- 0.876984784121687 [arcmin] (formal 1-sigma fit error)
SNR: 11.0232936796401
Angular difference between the analysis and refined position is 1.187817 arcmin
Partial Coding Fraction: 0.75 [ including projection effects ]
Duration
T90: 6.39199995994568 +/- 0.575013070049184
Measured from: -0.0160000324249268
to: 6.37599992752075 [s; relative to TRIGTIME]
T50: 4.33999991416931 +/- 1.3403238333232
Measured from: 1.14800000190735
to: 5.48799991607666 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.948000013828278
to: 1.94800001382828 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.431999981403351
to: 6.72799998521805 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.166673 0.136340 0.055228 0.017314
0.018497 0.018482 0.015483 0.013329 [error]
Peak 0.038399 0.035696 0.019177 0.002719
0.007055 0.006976 0.005936 0.004870 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 7.160 -0.432 6.728
T90 6.392 -0.016 6.376
T50 4.340 1.148 5.488
Peak 1.000 0.948 1.948
====== 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 -2.295 -0.321 0.287 - - - 2.66e-03 -5.83e-04 5.65e-04 55.190 57
CPL -2.378 -0.382 1.482 184.185 N/A N/A 2.37e-03 N/A N/A 55.180 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 -2.058 -0.395 0.353 - - - 5.34e-03 -1.45e-03 1.40e-03 54.970 57
CPL -1.190 -0.925 2.435 34.999 N/A N/A 1.85e-02 N/A N/A 54.140 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 5.16e-08 5.87e-08 4.78e-08 6.51e-08 1.82e-07 2.23e-07 erg/cm2
90%_error_low -9.21e-09 -8.85e-09 -1.38e-08 -3.04e-08 -3.14e-08 -5.02e-08 erg/cm2
90%_error_hi 9.39e-09 8.63e-09 1.48e-08 4.48e-08 3.28e-08 6.12e-08 erg/cm2
Peak flux PL 3.77e-01 2.73e-01 1.31e-01 8.90e-02 8.23e-01 8.70e-01 ph/cm2/s
90%_error_low -9.78e-02 -5.52e-02 -4.47e-02 -4.64e-02 -1.63e-01 -1.75e-01 ph/cm2/s
90%_error_hi 1.01e-01 5.48e-02 4.70e-02 7.01e-02 1.63e-01 1.76e-01 ph/cm2/s
Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_low -9.21e-09 -8.85e-09 -1.38e-08 -3.04e-08 -3.14e-08 -5.02e-08 erg/cm2
90%_error_hi 9.39e-09 8.63e-09 1.48e-08 4.48e-08 3.28e-08 6.12e-08 erg/cm2
Peak flux CPL 3.61e-01 3.03e-01 1.21e-01 2.46e-02 8.04e-01 8.09e-01 ph/cm2/s
90%_error_low -1.07e-01 N/A -6.88e-02 -2.46e-02 -1.65e-01 -1.69e-01 ph/cm2/s
90%_error_hi 1.07e-01 N/A 5.52e-02 1.13e-01 1.66e-01 2.13e-01 ph/cm2/s
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