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 00:57:02 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1004168
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Trigger: 01004168 Segment: 000
BAT Trigger Time: 626204000.704 [s; MET]
Trigger Stop: 626204001.088 [s; MET]
UTC: 2020-11-04T17:32:54.779360 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 5.21659807530782 Dec: 7.82039469041078 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 11.43
Image Trigger?: NO
Rate S/N Ratio: 44.7772263544762 [ if not an image trigger ]
Image S/N Ratio: 11.43
Analysis Position: [ source = BAT ]
RA: 5.21659807530782 Dec: 7.82039469041078 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 5.21483624812214 Dec: 7.83453810714096 [deg; J2000]
{ 00h 20m 51.6s , +07d 50' 04.3" }
+/- 0.814644087139038 [arcmin] (estimated 90% radius based on SNR)
+/- 0.313788239006559 [arcmin] (formal 1-sigma fit error)
SNR: 40.7668429674515
Angular difference between the analysis and refined position is 0.855043 arcmin
Partial Coding Fraction: 0.53125 [ including projection effects ]
Duration
T90: 8.6599999666214 +/- 0.161839373016547
Measured from: -8.32000005245209
to: 0.339999914169312 [s; relative to TRIGTIME]
T50: 5.27199995517731 +/- 0.211357516693095
Measured from: -6.91600000858307
to: -1.64400005340576 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -8.51999998092651
to: -7.51999998092651 [s; relative to TRIGTIME]
Total Fluence
Measured from: -8.8639999628067
to: 0.879999995231628 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.723391 1.027291 0.814917 0.233022
0.030226 0.033323 0.029938 0.024122 [error]
Peak 0.131294 0.184914 0.128900 0.031950
0.010772 0.012111 0.010315 0.007536 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 9.744 -8.864 0.880
T90 8.660 -8.320 0.340
T50 5.272 -6.916 -1.644
Peak 1.000 -8.520 -7.520
====== 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 -1.476 -0.069 0.069 - - - 1.98e-02 -7.39e-04 7.39e-04 61.170 57
CPL -1.426 -0.114 0.251 563.601 -563.601 -563.601 2.09e-02 -1.75e-03 6.21e-03 61.250 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 -1.563 -0.128 0.126 - - - 3.23e-02 -2.40e-03 2.39e-03 55.600 57
CPL -1.482 -0.204 0.439 320.082 -320.082 -320.082 3.56e-02 -1.83e-02 2.27e-02 55.640 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 2.41e-07 4.50e-07 6.47e-07 1.97e-06 1.84e-06 3.31e-06 erg/cm2
90%_error_low -1.71e-08 -1.88e-08 -3.04e-08 -2.02e-07 -7.38e-08 -2.21e-07 erg/cm2
90%_error_hi 1.76e-08 1.87e-08 3.03e-08 2.17e-07 7.40e-08 2.34e-07 erg/cm2
Peak flux PL 1.41e+00 1.37e+00 9.27e-01 9.83e-01 4.11e+00 4.69e+00 ph/cm2/s
90%_error_low -1.75e-01 -1.06e-01 -8.67e-02 -1.76e-01 -3.05e-01 -3.39e-01 ph/cm2/s
90%_error_hi 1.81e-01 1.05e-01 8.60e-02 1.98e-01 3.05e-01 3.40e-01 ph/cm2/s
Fluence CPL 2.40e-07 2.97e-07 6.48e-07 1.97e-06 1.84e-06 3.23e-06 erg/cm2
90%_error_low -2.19e-08 -3.08e-08 -3.13e-08 -6.64e-07 -7.94e-08 -5.98e-07 erg/cm2
90%_error_hi 1.48e-08 2.94e-08 3.38e-08 1.29e-07 7.71e-08 2.94e-07 erg/cm2
Peak flux CPL 1.41e+00 1.37e+00 9.29e-01 9.80e-01 4.10e+00 4.66e+00 ph/cm2/s
90%_error_low -2.06e-01 -1.08e-01 -8.85e-02 -4.41e-01 -3.02e-01 -5.37e-01 ph/cm2/s
90%_error_hi 1.55e-01 1.24e-01 9.59e-02 1.18e-01 3.08e-01 3.65e-01 ph/cm2/s
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