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 22:42:53 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1061554
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Trigger: 01061554 Segment: 000
BAT Trigger Time: 648907275.456 [s; MET]
Trigger Stop: 648907278.528 [s; MET]
UTC: 2021-07-25T12:00:48.024580 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 192.932182299759 Dec: 17.1251868322912 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.81
Image Trigger?: NO
Rate S/N Ratio: 11 [ if not an image trigger ]
Image S/N Ratio: 7.81
Analysis Position: [ source = BAT ]
RA: 192.932182299759 Dec: 17.1251868322912 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 192.890888455284 Dec: 17.1017936462215 [deg; J2000]
{ 12h 51m 33.8s , +17d 06' 06.5" }
+/- 3.25037354393711 [arcmin] (estimated 90% radius based on SNR)
+/- 1.52588488265531 [arcmin] (formal 1-sigma fit error)
SNR: 5.64657538750426
Angular difference between the analysis and refined position is 2.752665 arcmin
Partial Coding Fraction: 0.984375 [ including projection effects ]
Duration
T90: 417.907999873161 +/- 158.76587538321
Measured from: 0.820000052452087
to: 418.727999925613 [s; relative to TRIGTIME]
T50: 290.359999895096 +/- 274.904362450144
Measured from: 5.74800002574921
to: 296.107999920845 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.972000002861023
to: 1.97200000286102 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.096000075340271
to: 432.399999976158 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.283942 0.531999 0.493366 0.008465
0.141367 0.146733 0.130113 0.120038 [error]
Peak 0.018472 0.026418 0.026145 0.020536
0.006884 0.007501 0.006963 0.006392 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 432.304 0.096 432.400
T90 417.908 0.820 418.728
T50 290.360 5.748 296.108
Peak 1.000 0.972 1.972
====== 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 -1.409 -0.510 0.495 - - - 2.06e-04 -6.39e-05 6.29e-05 39.750 57
CPL -0.108 -1.668 3.359 72.168 -28.543 -72.168 9.37e-04 -9.37e-04 3.42e-02 38.530 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 -1.152 -0.509 0.552 - - - 4.87e-03 -1.37e-03 1.37e-03 70.800 57
CPL -1.153 -0.507 0.560 9999.360 -9999.360 -9999.360 4.89e-03 -1.38e-03 5.39e-02 70.810 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 1.05e-07 2.03e-07 3.06e-07 9.98e-07 8.60e-07 1.61e-06 erg/cm2
90%_error_low -4.63e-08 -6.25e-08 -1.19e-07 -6.15e-07 -2.90e-07 -7.51e-07 erg/cm2
90%_error_hi 5.18e-08 6.18e-08 1.20e-07 1.07e-06 3.02e-07 1.13e-06 erg/cm2
Peak flux PL 1.44e-01 1.78e-01 1.60e-01 2.50e-01 5.68e-01 7.32e-01 ph/cm2/s
90%_error_low -7.24e-02 -6.05e-02 -5.48e-02 -1.42e-01 -1.62e-01 -2.21e-01 ph/cm2/s
90%_error_hi 8.28e-02 5.71e-02 5.32e-02 2.40e-01 1.63e-01 2.43e-01 ph/cm2/s
Fluence CPL 8.41e-08 2.31e-07 3.27e-07 2.20e-07 7.85e-07 8.62e-07 erg/cm2
90%_error_low -5.67e-08 -7.66e-08 -1.43e-07 -2.01e-07 -2.84e-07 -3.58e-07 erg/cm2
90%_error_hi 6.07e-08 8.34e-08 1.45e-07 1.24e-06 3.20e-07 1.14e-06 erg/cm2
Peak flux CPL 1.49e-01 1.76e-01 1.59e-01 2.54e-01 5.71e-01 7.34e-01 ph/cm2/s
90%_error_low -7.80e-02 -6.14e-02 -5.37e-02 N/A -1.73e-01 -2.82e-01 ph/cm2/s
90%_error_hi 7.19e-02 7.19e-02 5.63e-02 N/A 1.66e-01 2.14e-01 ph/cm2/s
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