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 23:42:15 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1040123
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Trigger: 01040123 Segment: 000
BAT Trigger Time: 639093824 [s; MET]
Trigger Stop: 639093896 [s; MET]
UTC: 2021-04-02T22:03:17.222860 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 198.259947568503 Dec: 44.5125955041343 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 24.08
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 24.08
Analysis Position: [ source = BAT ]
RA: 198.259947568503 Dec: 44.5125955041343 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 198.28400223477 Dec: 44.5104422184498 [deg; J2000]
{ 13h 13m 08.2s , +44d 30' 37.6" }
+/- 1.0624681864995 [arcmin] (estimated 90% radius based on SNR)
+/- 0.367293002309736 [arcmin] (formal 1-sigma fit error)
SNR: 27.8948600819655
Angular difference between the analysis and refined position is 1.037294 arcmin
Partial Coding Fraction: 0.6953125 [ including projection effects ]
Duration
T90: 238.707999944687 +/- 18.7908142212934
Measured from: 1.15600001811981
to: 239.863999962807 [s; relative to TRIGTIME]
T50: 132.703999996185 +/- 7.47823423873571
Measured from: 52.095999956131
to: 184.799999952316 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 173.531999945641
to: 174.531999945641 [s; relative to TRIGTIME]
Total Fluence
Measured from: -51.6039999723434
to: 310.200000047684 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 5.112057 6.090382 3.590196 0.635886
0.129970 0.136692 0.127648 0.131169 [error]
Peak 0.064726 0.067652 0.049890 0.016135
0.006882 0.007536 0.006723 0.006457 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 361.804 -51.604 310.200
T90 238.708 1.156 239.864
T50 132.704 52.096 184.800
Peak 1.000 173.532 174.532
====== 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 -1.839 -0.064 0.063 - - - 2.61e-03 -8.78e-05 8.74e-05 63.960 57
CPL -1.498 -0.260 0.277 70.179 -13.140 67.191 3.89e-03 -1.00e-03 1.47e-03 58.880 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 -1.603 -0.220 0.213 - - - 1.18e-02 -1.51e-03 1.48e-03 36.460 57
CPL -1.605 -0.218 0.217 9999.220 -9999.220 -9999.220 1.18e-02 -1.02e-02 8.40e-03 36.470 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 1.66e-06 2.48e-06 2.77e-06 5.86e-06 8.67e-06 1.28e-05 erg/cm2
90%_error_low -9.23e-08 -7.97e-08 -1.30e-07 -5.82e-07 -2.95e-07 -6.81e-07 erg/cm2
90%_error_hi 9.43e-08 7.96e-08 1.30e-07 6.26e-07 2.96e-07 7.15e-07 erg/cm2
Peak flux PL 5.36e-01 5.07e-01 3.34e-01 3.41e-01 1.52e+00 1.72e+00 ph/cm2/s
90%_error_low -9.72e-02 -5.80e-02 -5.70e-02 -1.05e-01 -1.70e-01 -2.01e-01 ph/cm2/s
90%_error_hi 1.01e-01 5.77e-02 5.65e-02 1.31e-01 1.70e-01 2.04e-01 ph/cm2/s
Fluence CPL 1.56e-06 2.54e-06 2.78e-06 3.46e-06 8.36e-06 1.03e-05 erg/cm2
90%_error_low -1.16e-07 -9.33e-08 -1.36e-07 -1.07e-06 -3.72e-07 -1.15e-06 erg/cm2
90%_error_hi 1.18e-07 9.43e-08 1.37e-07 1.66e-06 3.73e-07 1.71e-06 erg/cm2
Peak flux CPL 5.49e-01 4.96e-01 3.31e-01 3.40e-01 1.52e+00 1.77e+00 ph/cm2/s
90%_error_low N/A -4.66e-02 N/A N/A -1.75e-01 -2.57e-01 ph/cm2/s
90%_error_hi N/A 6.99e-02 N/A N/A 1.70e-01 1.30e-01 ph/cm2/s
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