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: Mon Oct 24 11:46:01 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1111672
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Trigger: 01111672 Segment: 000
BAT Trigger Time: 677660683.776 [s; MET]
Trigger Stop: 677660684.8 [s; MET]
UTC: 2022-06-23T07:04:14.406620 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 145.462239057548 Dec: 75.8284740409551 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 18.9
Image Trigger?: NO
Rate S/N Ratio: 84.4985206971104 [ if not an image trigger ]
Image S/N Ratio: 18.9
Analysis Position: [ source = BAT ]
RA: 145.462239057548 Dec: 75.8284740409551 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 145.468106578395 Dec: 75.82314777064 [deg; J2000]
{ 09h 41m 52.3s , +75d 49' 23.3" }
+/- 0.844273294080949 [arcmin] (estimated 90% radius based on SNR)
+/- 0.231031888495376 [arcmin] (formal 1-sigma fit error)
SNR: 38.7384813716631
Angular difference between the analysis and refined position is 0.330999 arcmin
Partial Coding Fraction: 0.9453125 [ including projection effects ]
Duration
T90: 56.7959998846054 +/- 4.03039509147759
Measured from: -3.26800000667572
to: 53.5279998779297 [s; relative to TRIGTIME]
T50: 23.675999879837 +/- 4.52679852854081
Measured from: 1.2960000038147
to: 24.9719998836517 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.148000001907349
to: 0.851999998092651 [s; relative to TRIGTIME]
Total Fluence
Measured from: -3.84399998188019
to: 73.7919999361038 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.485779 1.976161 1.667865 0.483371
0.058966 0.061473 0.055190 0.046972 [error]
Peak 0.130012 0.204529 0.201120 0.090111
0.008759 0.010652 0.010804 0.009081 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 77.636 -3.844 73.792
T90 56.796 -3.268 53.528
T50 23.676 1.296 24.972
Peak 1.000 -0.148 0.852
====== 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 -1.342 -0.068 0.068 - - - 4.62e-03 -1.61e-04 1.61e-04 54.780 57
CPL -1.342 -0.065 0.072 9999.360 -9999.360 -9999.360 4.63e-03 -1.53e-04 8.85e-04 54.830 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 -1.047 -0.103 0.104 - - - 3.89e-02 -2.12e-03 2.12e-03 90.080 57
CPL -1.043 -0.103 0.106 9999.010 -9999.010 -9999.010 3.92e-02 -2.13e-03 7.38e-03 90.190 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 3.95e-07 8.00e-07 1.26e-06 4.41e-06 3.51e-06 6.86e-06 erg/cm2
90%_error_low -2.79e-08 -3.25e-08 -5.53e-08 -4.37e-07 -1.35e-07 -4.68e-07 erg/cm2
90%_error_hi 2.87e-08 3.23e-08 5.51e-08 4.71e-07 1.36e-07 4.97e-07 erg/cm2
Peak flux PL 1.04e+00 1.37e+00 1.33e+00 2.29e+00 4.50e+00 6.03e+00 ph/cm2/s
90%_error_low -1.15e-01 -9.00e-02 -8.68e-02 -3.20e-01 -2.47e-01 -3.83e-01 ph/cm2/s
90%_error_hi 1.19e-01 8.90e-02 8.60e-02 3.53e-01 2.47e-01 3.94e-01 ph/cm2/s
Fluence CPL 3.95e-07 7.95e-07 1.25e-06 4.51e-06 3.53e-06 6.84e-06 erg/cm2
90%_error_low N/A N/A N/A -1.17e-06 N/A -9.71e-07 erg/cm2
90%_error_hi N/A N/A N/A -6.75e-08 N/A 2.56e-07 erg/cm2
Peak flux CPL 1.04e+00 1.37e+00 1.33e+00 2.52e+00 4.50e+00 6.05e+00 ph/cm2/s
90%_error_low -1.15e-01 -9.02e-02 -8.70e-02 N/A -2.45e-01 -4.73e-01 ph/cm2/s
90%_error_hi 1.19e-01 8.88e-02 8.61e-02 N/A 2.47e-01 3.44e-01 ph/cm2/s
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