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: Fri Jul 29 23:08:20 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1051453
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Trigger: 01051453 Segment: 000
BAT Trigger Time: 643792096 [s; MET]
Trigger Stop: 643792192 [s; MET]
UTC: 2021-05-27T07:07:48.910100 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 172.354664489761 Dec: 31.618254634337 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.78
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 10.78
Analysis Position: [ source = BAT ]
RA: 172.354664489761 Dec: 31.618254634337 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 172.347546324808 Dec: 31.6280234850647 [deg; J2000]
{ 11h 29m 23.4s , +31d 37' 40.9" }
+/- 1.81750004971886 [arcmin] (estimated 90% radius based on SNR)
+/- 0.631952065766921 [arcmin] (formal 1-sigma fit error)
SNR: 12.955095560891
Angular difference between the analysis and refined position is 0.689788 arcmin
Partial Coding Fraction: 0.90625 [ including projection effects ]
Duration
T90: 64.4639999866486 +/- 10.6299790530767
Measured from: -11.9359999895096
to: 52.527999997139 [s; relative to TRIGTIME]
T50: 40.4199999570847 +/- 10.6617319617024
Measured from: 1.46399998664856
to: 41.8839999437332 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 17.8639999628067
to: 18.8639999628067 [s; relative to TRIGTIME]
Total Fluence
Measured from: -18.3200000524521
to: 65.7120000123978 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.609067 0.501267 0.271803 -0.016817
0.055054 0.056674 0.049806 0.045736 [error]
Peak 0.018365 0.022294 0.015860 -0.001000
0.006121 0.006162 0.005625 0.005032 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 84.032 -18.320 65.712
T90 64.464 -11.936 52.528
T50 40.420 1.464 41.884
Peak 1.000 17.864 18.864
====== 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 -2.268 -0.258 0.235 - - - 8.65e-04 -1.55e-04 1.51e-04 48.740 57
CPL -1.868 -0.142 1.055 12.706 -12.010 34.651 1.52e-03 -5.11e-04 5.19e-03 48.160 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 -1.654 -0.649 0.593 - - - 3.39e-03 -1.29e-03 1.22e-03 43.570 57
CPL -1.332 -1.003 2.636 93.583 -93.583 -93.583 5.11e-03 -5.11e-03 2.32e-01 43.580 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 1.92e-07 2.22e-07 1.84e-07 2.57e-07 6.91e-07 8.55e-07 erg/cm2
90%_error_low -2.86e-08 -2.77e-08 -4.38e-08 -1.02e-07 -9.99e-08 -1.63e-07 erg/cm2
90%_error_hi 2.91e-08 2.72e-08 4.62e-08 1.39e-07 1.04e-07 1.92e-07 erg/cm2
Peak flux PL 1.62e-01 1.49e-01 9.45e-02 9.21e-02 4.44e-01 4.97e-01 ph/cm2/s
90%_error_low -7.82e-02 -4.98e-02 -4.47e-02 -6.37e-02 -1.46e-01 -1.67e-01 ph/cm2/s
90%_error_hi 8.73e-02 4.93e-02 4.51e-02 1.17e-01 1.46e-01 1.71e-01 ph/cm2/s
Fluence CPL 1.88e-07 2.32e-07 1.76e-07 1.19e-07 6.61e-07 7.14e-07 erg/cm2
90%_error_low -3.11e-08 -2.93e-08 -5.37e-08 -9.61e-08 -1.11e-07 -1.57e-07 erg/cm2
90%_error_hi 2.90e-08 3.66e-08 4.88e-08 2.19e-07 1.16e-07 2.62e-07 erg/cm2
Peak flux CPL 1.59e-01 1.51e-01 9.51e-02 7.52e-02 4.41e-01 4.81e-01 ph/cm2/s
90%_error_low -8.69e-02 -5.17e-02 -9.51e-02 -7.52e-02 -1.49e-01 -1.82e-01 ph/cm2/s
90%_error_hi 9.02e-02 6.35e-02 4.87e-02 1.30e-01 1.46e-01 1.83e-01 ph/cm2/s
======================================================================