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 00:51:15 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1009679
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Trigger: 01009679 Segment: 000
BAT Trigger Time: 628237704.384 [s; MET]
Trigger Stop: 628237709.888 [s; MET]
UTC: 2020-11-28T06:27:58.325240 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 223.135530064962 Dec: 26.6780005543733 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.45
Image Trigger?: NO
Rate S/N Ratio: 12.369316876853 [ if not an image trigger ]
Image S/N Ratio: 7.45
Analysis Position: [ source = BAT ]
RA: 223.135530064962 Dec: 26.6780005543733 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 223.090504544183 Dec: 26.716892145258 [deg; J2000]
{ 14h 52m 21.7s , +26d 43' 00.8" }
+/- 2.39995214824111 [arcmin] (estimated 90% radius based on SNR)
+/- 1.64601318669136 [arcmin] (formal 1-sigma fit error)
SNR: 8.70907104722002
Angular difference between the analysis and refined position is 3.357127 arcmin
Partial Coding Fraction: 0.921875 [ including projection effects ]
Duration
T90: 8.52400004863739 +/- 3.21968018487519
Measured from: -0.259999990463257
to: 8.26400005817413 [s; relative to TRIGTIME]
T50: 3.70000004768372 +/- 2.1335276609451
Measured from: 1.12000000476837
to: 4.82000005245209 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 4.20800006389618
to: 5.20800006389618 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.439999938011169
to: 8.73600006103516 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.079761 0.114555 0.080653 0.031473
0.019945 0.020656 0.018203 0.016198 [error]
Peak 0.013290 0.021513 0.018173 0.014909
0.006571 0.006796 0.005819 0.005349 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 9.176 -0.440 8.736
T90 8.524 -0.260 8.264
T50 3.700 1.120 4.820
Peak 1.000 4.208 5.208
====== 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 -1.362 -0.365 0.373 - - - 2.19e-03 -4.36e-04 4.32e-04 49.580 57
CPL -1.374 -2.482 0.558 9999.360 N/A N/A 2.19e-03 N/A N/A 49.590 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 -1.249 -0.627 0.704 - - - 3.81e-03 -1.26e-03 1.26e-03 45.190 57
CPL -1.263 -0.614 1.106 9999.360 -9999.360 -9999.360 3.80e-03 -3.80e-03 1.27e-02 45.190 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 2.26e-08 4.52e-08 7.03e-08 2.41e-07 1.96e-07 3.79e-07 erg/cm2
90%_error_low -7.77e-09 -9.71e-09 -1.83e-08 -1.13e-07 -4.37e-08 -1.30e-07 erg/cm2
90%_error_hi 8.39e-09 9.41e-09 1.79e-08 1.72e-07 4.45e-08 1.79e-07 erg/cm2
Peak flux PL 1.23e-01 1.44e-01 1.21e-01 1.72e-01 4.50e-01 5.61e-01 ph/cm2/s
90%_error_low -7.44e-02 -6.05e-02 -4.88e-02 -1.11e-01 -1.55e-01 -1.91e-01 ph/cm2/s
90%_error_hi 8.84e-02 5.54e-02 4.66e-02 2.12e-01 1.56e-01 2.02e-01 ph/cm2/s
Fluence CPL 2.30e-08 4.42e-08 6.92e-08 2.75e-07 1.98e-07 3.72e-07 erg/cm2
90%_error_low N/A N/A N/A -2.12e-07 -5.69e-08 -1.76e-07 erg/cm2
90%_error_hi N/A N/A N/A 4.10e-08 5.49e-08 1.14e-07 erg/cm2
Peak flux CPL 1.24e-01 1.44e-01 1.21e-01 1.71e-01 4.52e-01 5.66e-01 ph/cm2/s
90%_error_low N/A N/A N/A N/A -1.57e-01 -2.28e-01 ph/cm2/s
90%_error_hi N/A N/A N/A N/A 1.55e-01 1.96e-01 ph/cm2/s
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