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 00:42:24 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1013852
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Trigger: 01013852 Segment: 000
BAT Trigger Time: 630227367.616 [s; MET]
Trigger Stop: 630227375.808 [s; MET]
UTC: 2020-12-21T07:09:01.425800 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 214.477529644785 Dec: -45.4108092626907 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.86
Image Trigger?: NO
Rate S/N Ratio: 8.60232526704263 [ if not an image trigger ]
Image S/N Ratio: 7.86
Analysis Position: [ source = BAT ]
RA: 214.477529644785 Dec: -45.4108092626907 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 214.487896390161 Dec: -45.4056921072394 [deg; J2000]
{ 14h 17m 57.1s , -45d 24' 20.5" }
+/- 1.63002892363785 [arcmin] (estimated 90% radius based on SNR)
+/- 0.881604672008873 [arcmin] (formal 1-sigma fit error)
SNR: 15.1349929098167
Angular difference between the analysis and refined position is 0.533812 arcmin
Partial Coding Fraction: 0.4296875 [ including projection effects ]
Duration
T90: 44.3159999847412 +/- 5.94633892162459
Measured from: -6.1360000371933
to: 38.1799999475479 [s; relative to TRIGTIME]
T50: 19.8719999790192 +/- 4.85144844739813
Measured from: 2.01199996471405
to: 21.8839999437332 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 4.15599989891052
to: 5.15599989891052 [s; relative to TRIGTIME]
Total Fluence
Measured from: -7.63200008869171
to: 41.7119998931885 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.622504 1.026596 0.886449 0.163455
0.082697 0.081126 0.072742 0.065376 [error]
Peak 0.037167 0.039303 0.037257 0.017091
0.011671 0.011832 0.010819 0.008773 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 49.344 -7.632 41.712
T90 44.316 -6.136 38.180
T50 19.872 2.012 21.884
Peak 1.000 4.156 5.156
====== 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 -1.398 -0.149 0.150 - - - 4.03e-03 -3.44e-04 3.44e-04 45.430 57
CPL -0.858 -0.589 0.698 113.077 -36.511 -113.077 7.27e-03 -3.35e-03 7.89e-03 43.110 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 -1.451 -0.501 0.495 - - - 8.19e-03 -2.38e-03 2.37e-03 71.480 57
CPL -0.535 -1.751 5.223 83.429 -36.749 -83.429 2.29e-02 -2.29e-02 5.34e+00 71.070 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 2.31e-07 4.51e-07 6.85e-07 2.26e-06 1.92e-06 3.63e-06 erg/cm2
90%_error_low -3.58e-08 -4.34e-08 -7.16e-08 -4.79e-07 -1.76e-07 -5.32e-07 erg/cm2
90%_error_hi 3.76e-08 4.29e-08 7.10e-08 5.61e-07 1.78e-07 5.98e-07 erg/cm2
Peak flux PL 3.22e-01 3.33e-01 2.44e-01 2.87e-01 1.01e+00 1.19e+00 ph/cm2/s
90%_error_low -1.51e-01 -1.09e-01 -8.56e-02 -1.62e-01 -3.02e-01 -3.44e-01 ph/cm2/s
90%_error_hi 1.76e-01 1.06e-01 8.31e-02 2.47e-01 3.04e-01 3.46e-01 ph/cm2/s
Fluence CPL 2.06e-07 4.71e-07 7.16e-07 1.13e-06 1.86e-06 2.53e-06 erg/cm2
90%_error_low -4.45e-08 -4.94e-08 -8.07e-08 -5.66e-07 -1.93e-07 -5.93e-07 erg/cm2
90%_error_hi 4.61e-08 5.07e-08 8.28e-08 8.24e-07 1.92e-07 9.82e-07 erg/cm2
Peak flux CPL 2.66e-01 3.59e-01 2.66e-01 1.25e-01 9.73e-01 1.02e+00 ph/cm2/s
90%_error_low -2.66e-01 -1.25e-01 -1.00e-01 -1.25e-01 -3.40e-01 -3.82e-01 ph/cm2/s
90%_error_hi 2.16e-01 1.37e-01 1.11e-01 2.21e-01 3.20e-01 4.10e-01 ph/cm2/s
======================================================================