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: Mon Nov 14 22:02:14 EST 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger718023
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Trigger: 00718023 Segment: 000
BAT Trigger Time: 498419528.192 [s; MET]
Trigger Stop: 498419529.216 [s; MET]
UTC: 2016-10-17T17:51:51.169980 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 142.765381319357 Dec: 43.1418079589348 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.53
Image Trigger?: NO
Rate S/N Ratio: 19.5448202856921 [ if not an image trigger ]
Image S/N Ratio: 8.53
Analysis Position: [ source = BAT ]
RA: 142.765381319357 Dec: 43.1418079589348 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 142.765950837089 Dec: 43.1237910283339 [deg; J2000]
{ 09h 31m 03.8s , +43d 07' 25.6" }
+/- 0.919328694193454 [arcmin] (estimated 90% radius based on SNR)
+/- 0.393986743914146 [arcmin] (formal 1-sigma fit error)
SNR: 34.3006957395021
Angular difference between the analysis and refined position is 1.081303 arcmin
Partial Coding Fraction: 1.015625 [ including projection effects ]
Duration
T90: 217.047999918461 +/- 6.86324586240994
Measured from: -0.807999968528748
to: 216.239999949932 [s; relative to TRIGTIME]
T50: 126.003999948502 +/- 3.4710966645323
Measured from: 17.1360000371933
to: 143.139999985695 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 21.2560000419617
to: 22.2560000419617 [s; relative to TRIGTIME]
Total Fluence
Measured from: -13.2799999713898
to: 233.420000016689 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.828171 3.352492 2.456268 0.654394
0.080875 0.084517 0.073984 0.063034 [error]
Peak 0.091345 0.115948 0.126834 0.036032
0.006344 0.007140 0.006753 0.005256 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 246.700 -13.280 233.420
T90 217.048 -0.808 216.240
T50 126.004 17.136 143.140
Peak 1.000 21.256 22.256
====== 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 -1.571 -0.061 0.061 - - - 2.32e-03 -7.18e-05 7.17e-05 40.880 57
CPL -1.571 -0.059 0.114 9999.360 -9999.360 -9999.360 2.32e-03 -6.70e-05 4.72e-04 40.910 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 -1.139 -0.108 0.108 - - - 2.41e-02 -1.38e-03 1.38e-03 55.630 57
CPL -1.140 -0.102 0.115 9999.360 -9999.360 -9999.360 2.42e-02 -1.39e-03 4.76e-03 55.700 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 7.81e-07 1.37e-06 1.85e-06 5.11e-06 5.37e-06 9.12e-06 erg/cm2
90%_error_low -4.67e-08 -4.69e-08 -7.55e-08 -4.64e-07 -1.78e-07 -5.10e-07 erg/cm2
90%_error_hi 4.79e-08 4.68e-08 7.53e-08 4.96e-07 1.78e-07 5.35e-07 erg/cm2
Peak flux PL 7.03e-01 8.78e-01 7.97e-01 1.26e+00 2.81e+00 3.64e+00 ph/cm2/s
90%_error_low -8.16e-02 -6.13e-02 -5.39e-02 -1.80e-01 -1.65e-01 -2.27e-01 ph/cm2/s
90%_error_hi 8.50e-02 6.06e-02 5.34e-02 1.99e-01 1.66e-01 2.31e-01 ph/cm2/s
Fluence CPL 7.81e-07 1.37e-06 1.85e-06 5.10e-06 5.37e-06 9.51e-06 erg/cm2
90%_error_low N/A N/A N/A N/A -1.64e-07 -1.59e-06 erg/cm2
90%_error_hi N/A N/A N/A N/A 1.78e-07 2.63e-09 erg/cm2
Peak flux CPL 7.03e-01 8.78e-01 7.95e-01 1.25e+00 2.83e+00 3.64e+00 ph/cm2/s
90%_error_low N/A -6.14e-02 -5.30e-02 N/A -1.85e-01 -3.07e-01 ph/cm2/s
90%_error_hi N/A 6.06e-02 5.69e-02 N/A 1.46e-01 1.97e-01 ph/cm2/s
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