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.
======================================================================
BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.48
Process Start Time: Wed Jun 14 15:08:07 EDT 2023
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1161390
======================================================================
Trigger: 01161390 Segment: 000
BAT Trigger Time: 701406966.848 [s; MET]
Trigger Stop: 701406967.872 [s; MET]
UTC: 2023-03-25T03:15:35.863840 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 296.820236138275 Dec: -46.0941325282463 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 11.62
Image Trigger?: NO
Rate S/N Ratio: 29.086079144498 [ if not an image trigger ]
Image S/N Ratio: 11.62
Analysis Position: [ source = BAT ]
RA: 296.820236138275 Dec: -46.0941325282463 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 296.857024926155 Dec: -46.0707340759418 [deg; J2000]
{ 19h 47m 25.7s , -46d 04' 14.6" }
+/- 1.5568128472591 [arcmin] (estimated 90% radius based on SNR)
+/- 0.558808453447805 [arcmin] (formal 1-sigma fit error)
SNR: 16.1619940153994
Angular difference between the analysis and refined position is 2.077276 arcmin
Partial Coding Fraction: 0.4882812 [ including projection effects ]
Duration
T90: 38.2880001068115 +/- 11.3418334203591
Measured from: -7.22400009632111
to: 31.0640000104904 [s; relative to TRIGTIME]
T50: 6.04800009727478 +/- 7.18016826971619
Measured from: -0.168000102043152
to: 5.87999999523163 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.0680000782012939
to: 0.931999921798706 [s; relative to TRIGTIME]
Total Fluence
Measured from: -8.55200004577637
to: 41.7039999961853 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.736410 0.905709 0.570368 0.101465
0.076035 0.077711 0.067597 0.058154 [error]
Peak 0.100025 0.146943 0.144738 0.031913
0.013842 0.015027 0.014572 0.009694 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 50.256 -8.552 41.704
T90 38.288 -7.224 31.064
T50 6.048 -0.168 5.880
Peak 1.000 -0.068 0.932
====== 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 -1.813 -0.185 0.178 - - - 2.84e-03 -3.25e-04 3.19e-04 43.720 57
CPL -1.405 -0.670 0.742 67.022 -19.647 -67.022 4.72e-03 -1.86e-03 6.97e-03 42.570 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 -1.319 -0.177 0.176 - - - 2.77e-02 -2.97e-03 2.96e-03 56.720 57
CPL -0.861 -0.543 0.786 136.821 -55.761 -136.821 4.56e-02 -1.98e-02 5.81e-02 55.420 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 2.45e-07 3.72e-07 4.23e-07 9.18e-07 1.31e-06 1.96e-06 erg/cm2
90%_error_low -3.61e-08 -3.64e-08 -6.54e-08 -2.60e-07 -1.51e-07 -3.30e-07 erg/cm2
90%_error_hi 3.73e-08 3.64e-08 6.58e-08 3.21e-07 1.53e-07 3.78e-07 erg/cm2
Peak flux PL 9.59e-01 1.07e+00 8.62e-01 1.15e+00 3.32e+00 4.04e+00 ph/cm2/s
90%_error_low -1.77e-01 -1.29e-01 -1.10e-01 -2.74e-01 -3.62e-01 -4.45e-01 ph/cm2/s
90%_error_hi 1.87e-01 1.27e-01 1.09e-01 3.18e-01 3.62e-01 4.49e-01 ph/cm2/s
Fluence CPL 2.32e-07 3.89e-07 4.26e-07 4.81e-07 1.27e-06 1.53e-06 erg/cm2
90%_error_low -4.16e-08 -3.82e-08 -6.99e-08 -2.96e-07 -1.65e-07 -3.48e-07 erg/cm2
90%_error_hi 4.19e-08 4.71e-08 7.02e-08 5.30e-07 1.68e-07 5.80e-07 erg/cm2
Peak flux CPL 8.67e-01 1.12e+00 9.13e-01 7.44e-01 3.27e+00 3.64e+00 ph/cm2/s
90%_error_low -2.19e-01 -1.44e-01 -1.33e-01 -3.49e-01 -3.69e-01 -5.28e-01 ph/cm2/s
90%_error_hi 2.28e-01 1.48e-01 1.38e-01 5.18e-01 3.68e-01 6.74e-01 ph/cm2/s
======================================================================