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: Sat Jul 30 00:05:13 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1033264
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Trigger: 01033264 Segment: 000
BAT Trigger Time: 635297168.832 [s; MET]
Trigger Stop: 635297169.856 [s; MET]
UTC: 2021-02-17T23:25:42.306620 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 97.6103563204343 Dec: 68.7148663144961 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 13.81
Image Trigger?: NO
Rate S/N Ratio: 30.1662062579967 [ if not an image trigger ]
Image S/N Ratio: 13.81
Analysis Position: [ source = BAT ]
RA: 97.6103563204343 Dec: 68.7148663144961 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 97.5571228385546 Dec: 68.7132740600339 [deg; J2000]
{ 06h 30m 13.7s , +68d 42' 47.8" }
+/- 1.40065927080951 [arcmin] (estimated 90% radius based on SNR)
+/- 0.635981327716574 [arcmin] (formal 1-sigma fit error)
SNR: 18.7962819599304
Angular difference between the analysis and refined position is 1.163426 arcmin
Partial Coding Fraction: 0.3085938 [ including projection effects ]
Duration
T90: 4 +/- 1.4142135623731
Measured from: -0.832000017166138
to: 3.16799998283386 [s; relative to TRIGTIME]
T50: 1 +/- 1
Measured from: 0.167999982833862
to: 1.16799998283386 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.167999982833862
to: 1.16799998283386 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.832000017166138
to: 3.16799998283386 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.322712 0.439980 0.235825 0.049488
0.030654 0.032386 0.027857 0.023582 [error]
Peak 0.154019 0.225873 0.129668 0.032373
0.017227 0.018831 0.015978 0.012513 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 4.000 -0.832 3.168
T90 4.000 -0.832 3.168
T50 1.000 0.168 1.168
Peak 1.000 0.168 1.168
====== 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: 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 -1.913 -0.160 0.155 - - - 1.71e-02 -1.74e-03 1.71e-03 63.240 57
CPL -1.330 -0.674 0.840 51.280 -16.316 -51.280 3.60e-02 -1.94e-02 6.94e-02 61.140 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 -1.853 -0.177 0.170 - - - 3.50e-02 -3.88e-03 3.82e-03 58.360 57
CPL -1.420 -0.807 0.844 63.858 -22.204 -63.858 5.95e-02 -2.62e-02 1.07e-01 57.290 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 1.29e-07 1.85e-07 1.96e-07 3.86e-07 6.31e-07 8.96e-07 erg/cm2
90%_error_low -1.70e-08 -1.63e-08 -2.66e-08 -9.61e-08 -6.23e-08 -1.25e-07 erg/cm2
90%_error_hi 1.75e-08 1.64e-08 2.66e-08 1.14e-07 6.30e-08 1.39e-07 erg/cm2
Peak flux PL 2.03e+00 1.66e+00 9.17e-01 7.46e-01 4.93e+00 5.35e+00 ph/cm2/s
90%_error_low -3.10e-01 -1.68e-01 -1.30e-01 -1.89e-01 -5.04e-01 -5.32e-01 ph/cm2/s
90%_error_hi 3.22e-01 1.68e-01 1.29e-01 2.21e-01 5.05e-01 5.32e-01 ph/cm2/s
Fluence CPL 1.21e-07 1.98e-07 1.97e-07 1.58e-07 6.02e-07 6.74e-07 erg/cm2
90%_error_low -1.99e-08 -2.06e-08 -3.01e-08 -1.00e-07 -7.16e-08 -1.25e-07 erg/cm2
90%_error_hi 1.99e-08 2.36e-08 2.91e-08 2.60e-07 7.17e-08 2.79e-07 erg/cm2
Peak flux CPL 1.90e+00 1.74e+00 9.47e-01 4.61e-01 4.86e+00 5.05e+00 ph/cm2/s
90%_error_low -3.70e-01 -2.13e-01 -1.42e-01 -2.59e-01 -5.19e-01 -6.03e-01 ph/cm2/s
90%_error_hi 3.78e-01 2.23e-01 1.46e-01 4.69e-01 5.18e-01 6.85e-01 ph/cm2/s
======================================================================