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 v2.48
Process Start Time: Wed Jun 14 14:59:49 EDT 2023
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1165354
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Trigger: 01165354 Segment: 000
BAT Trigger Time: 703969706.624 [s; MET]
Trigger Stop: 703969718.784 [s; MET]
UTC: 2023-04-23T19:07:55.465280 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 122.604962807057 Dec: -21.9203287405549 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.3
Image Trigger?: NO
Rate S/N Ratio: 8.60232526704263 [ if not an image trigger ]
Image S/N Ratio: 7.3
Analysis Position: [ source = BAT ]
RA: 122.604962807057 Dec: -21.9203287405549 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 122.617613108822 Dec: -21.90101311814 [deg; J2000]
{ 08h 10m 28.2s , -21d 54' 03.6" }
+/- 2.31936388783496 [arcmin] (estimated 90% radius based on SNR)
+/- 1.1251900313376 [arcmin] (formal 1-sigma fit error)
SNR: 9.14456016139219
Angular difference between the analysis and refined position is 1.356105 arcmin
Partial Coding Fraction: 1.03125 [ including projection effects ]
Duration
T90: 23.6039999723434 +/- 4.27154537102887
Measured from: -0.659999966621399
to: 22.944000005722 [s; relative to TRIGTIME]
T50: 13.5759999752045 +/- 5.71036467937035
Measured from: 3.89600002765656
to: 17.472000002861 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 10.6240000724792
to: 11.6240000724792 [s; relative to TRIGTIME]
Total Fluence
Measured from: -2.25199997425079
to: 24.4920001029968 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.223083 0.360289 0.195658 -0.002772
0.041995 0.043384 0.037300 0.032194 [error]
Peak 0.022458 0.037889 0.011594 0.001708
0.008410 0.008686 0.007360 0.006693 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 26.744 -2.252 24.492
T90 23.604 -0.660 22.944
T50 13.576 3.896 17.472
Peak 1.000 10.624 11.624
====== 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 -1.691 -0.274 0.260 - - - 1.86e-03 -3.18e-04 3.10e-04 43.530 57
CPL -1.257 -0.761 1.290 76.719 -54.442 -76.719 3.24e-03 -3.24e-03 1.38e-02 43.010 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: N/A)
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 -2.015 -0.698 0.548 - - - 3.88e-03 -1.75e-03 1.65e-03 57.980 57
CPL 0.688 -2.911 -0.688 40.450 -40.450 -40.450 1.45e-01 -1.45e-01 4.57e+04 56.060 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 7.60e-08 1.24e-07 1.54e-07 3.78e-07 4.61e-07 7.32e-07 erg/cm2
90%_error_low -1.65e-08 -1.83e-08 -3.52e-08 -1.50e-07 -8.19e-08 -1.89e-07 erg/cm2
90%_error_hi 1.72e-08 1.83e-08 3.54e-08 2.04e-07 8.40e-08 2.34e-07 erg/cm2
Peak flux PL 2.62e-01 1.95e-01 9.65e-02 6.81e-02 5.86e-01 6.22e-01 ph/cm2/s
90%_error_low -1.06e-01 -6.51e-02 -5.24e-02 -6.81e-02 -1.89e-01 -2.06e-01 ph/cm2/s
90%_error_hi 1.13e-01 6.42e-02 5.63e-02 9.51e-02 1.90e-01 2.10e-01 ph/cm2/s
Fluence CPL 7.26e-08 1.31e-07 1.54e-07 1.82e-07 4.41e-07 5.40e-07 erg/cm2
90%_error_low -1.87e-08 -2.22e-08 -3.90e-08 -1.47e-07 -9.28e-08 -1.80e-07 erg/cm2
90%_error_hi 1.89e-08 2.57e-08 3.79e-08 3.75e-07 9.49e-08 2.70e-07 erg/cm2
Peak flux CPL 1.92e-01 2.67e-01 8.61e-02 3.35e-03 5.49e-01 5.49e-01 ph/cm2/s
90%_error_low -1.92e-01 -1.07e-01 -6.13e-02 -3.35e-03 -1.99e-01 -1.99e-01 ph/cm2/s
90%_error_hi 1.46e-01 1.14e-01 7.07e-02 5.52e-02 1.95e-01 1.97e-01 ph/cm2/s
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