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 v2.46
Process Start Time: Wed Nov 27 12:04:02 EST 2019
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger932435
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Trigger: 00932435 Segment: 000
BAT Trigger Time: 594175017.536 [s; MET]
Trigger Stop: 594175019.584 [s; MET]
UTC: 2019-10-31T00:36:33.697220 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 233.470112879956 Dec: 6.14378241270486 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.26
Image Trigger?: NO
Rate S/N Ratio: 12.4899959967968 [ if not an image trigger ]
Image S/N Ratio: 7.26
Analysis Position: [ source = BAT ]
RA: 233.470112879956 Dec: 6.14378241270486 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 233.496301690784 Dec: 6.10555421287116 [deg; J2000]
{ 15h 33m 59.1s , +06d 06' 20.0" }
+/- 1.65918404790887 [arcmin] (estimated 90% radius based on SNR)
+/- 0.770912269432629 [arcmin] (formal 1-sigma fit error)
SNR: 14.7564975195284
Angular difference between the analysis and refined position is 2.775246 arcmin
Partial Coding Fraction: 0.4648438 [ including projection effects ]
Duration
T90: 12.1319999694824 +/- 2.34751269965428
Measured from: -4.24800002574921
to: 7.88399994373322 [s; relative to TRIGTIME]
T50: 5.91999995708466 +/- 1.82003621467988
Measured from: -0.404000043869019
to: 5.51599991321564 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 3.42799997329712
to: 4.42799997329712 [s; relative to TRIGTIME]
Total Fluence
Measured from: -6.26400005817413
to: 8.59599995613098 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.202048 0.455695 0.357759 0.105837
0.037167 0.039081 0.035329 0.029842 [error]
Peak 0.017471 0.043784 0.057224 0.018466
0.009590 0.010290 0.009278 0.008055 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 14.860 -6.264 8.596
T90 12.132 -4.248 7.884
T50 5.920 -0.404 5.516
Peak 1.000 3.428 4.428
====== 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: PL)
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 -1.190 -0.165 0.168 - - - 5.19e-03 -5.09e-04 5.09e-04 55.250 57
CPL -0.622 -0.616 0.726 129.203 -45.923 -129.203 9.72e-03 -4.67e-03 1.12e-02 52.790 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: PL)
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 -0.917 -0.352 0.383 - - - 8.76e-03 -2.01e-03 1.98e-03 60.350 57
CPL 1.021 -1.802 3.070 92.969 -24.920 323.886 5.58e-02 -5.58e-02 7.30e-01 56.900 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 7.37e-08 1.64e-07 2.87e-07 1.18e-06 7.84e-07 1.70e-06 erg/cm2
90%_error_low -1.32e-08 -1.85e-08 -3.33e-08 -2.73e-07 -8.45e-08 -2.98e-07 erg/cm2
90%_error_hi 1.39e-08 1.83e-08 3.30e-08 3.26e-07 8.51e-08 3.43e-07 erg/cm2
Peak flux PL 2.07e-01 2.95e-01 3.13e-01 6.13e-01 1.01e+00 1.43e+00 ph/cm2/s
90%_error_low -8.65e-02 -8.55e-02 -7.05e-02 -2.44e-01 -2.29e-01 -3.27e-01 ph/cm2/s
90%_error_hi 1.03e-01 8.47e-02 7.00e-02 3.36e-01 2.31e-01 3.47e-01 ph/cm2/s
Fluence CPL 6.58e-08 1.73e-07 3.02e-07 5.50e-07 7.56e-07 1.09e-06 erg/cm2
90%_error_low -1.56e-08 -2.13e-08 -3.76e-08 -2.91e-07 -9.15e-08 -3.01e-07 erg/cm2
90%_error_hi 1.62e-08 2.19e-08 3.85e-08 7.11e-07 9.11e-08 5.60e-07 erg/cm2
Peak flux CPL 1.14e-01 3.05e-01 3.80e-01 1.81e-01 9.29e-01 9.78e-01 ph/cm2/s
90%_error_low -8.54e-02 -1.11e-01 -9.43e-02 -1.81e-01 -2.36e-01 -2.72e-01 ph/cm2/s
90%_error_hi 1.27e-01 1.05e-01 9.89e-02 3.76e-01 2.42e-01 4.17e-01 ph/cm2/s
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