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 Dec 11 18:41:23 EST 2019
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger939079
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Trigger: 00939079 Segment: 000
BAT Trigger Time: 596198348.288 [s; MET]
Trigger Stop: 596198349.312 [s; MET]
UTC: 2019-11-23T10:38:44.318720 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 215.260938956595 Dec: 22.8416115021627 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.27
Image Trigger?: NO
Rate S/N Ratio: 12.1655250605964 [ if not an image trigger ]
Image S/N Ratio: 7.27
Analysis Position: [ source = BAT ]
RA: 215.260938956595 Dec: 22.8416115021627 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 215.292546007874 Dec: 22.8338454237002 [deg; J2000]
{ 14h 21m 10.2s , +22d 50' 01.8" }
+/- 2.15793976109161 [arcmin] (estimated 90% radius based on SNR)
+/- 0.762786298907505 [arcmin] (formal 1-sigma fit error)
SNR: 10.1372312903918
Angular difference between the analysis and refined position is 1.808807 arcmin
Partial Coding Fraction: 0.859375 [ including projection effects ]
Duration
T90: 284.81199991703 +/- 52.2317749194354
Measured from: -1.03199994564056
to: 283.77999997139 [s; relative to TRIGTIME]
T50: 147.699999928474 +/- 117.160109295019
Measured from: 9.21200001239777
to: 156.911999940872 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 111.784000039101
to: 112.784000039101 [s; relative to TRIGTIME]
Total Fluence
Measured from: -3.04799997806549
to: 335.968000054359 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.610025 0.906088 0.443038 0.139023
0.107184 0.110748 0.097098 0.087028 [error]
Peak 0.034228 0.063907 0.048251 0.012634
0.006425 0.006946 0.006421 0.005466 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 339.016 -3.048 335.968
T90 284.812 -1.032 283.780
T50 147.700 9.212 156.912
Peak 1.000 111.784 112.784
====== 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 -1.691 -0.264 0.254 - - - 3.77e-04 -6.49e-05 6.34e-05 52.610 57
CPL -0.946 -0.587 1.782 57.876 -15.487 -57.876 1.04e-03 -1.04e-03 1.17e-02 51.480 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 -1.334 -0.213 0.213 - - - 1.01e-02 -1.31e-03 1.30e-03 59.830 57
CPL -0.907 -0.538 1.034 123.409 -61.869 -123.409 1.70e-02 -9.28e-03 4.16e-02 59.130 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 1.95e-07 3.19e-07 3.95e-07 9.69e-07 1.18e-06 1.88e-06 erg/cm2
90%_error_low -4.15e-08 -4.73e-08 -8.97e-08 -3.78e-07 -2.11e-07 -4.82e-07 erg/cm2
90%_error_hi 4.28e-08 4.73e-08 9.12e-08 5.17e-07 2.17e-07 5.96e-07 erg/cm2
Peak flux PL 3.56e-01 3.95e-01 3.14e-01 4.12e-01 1.22e+00 1.48e+00 ph/cm2/s
90%_error_low -7.44e-02 -5.37e-02 -5.02e-02 -1.20e-01 -1.54e-01 -1.97e-01 ph/cm2/s
90%_error_hi 7.85e-02 5.32e-02 4.97e-02 1.47e-01 1.54e-01 2.01e-01 ph/cm2/s
Fluence CPL 1.86e-07 3.52e-07 3.78e-07 2.61e-07 1.07e-06 1.18e-06 erg/cm2
90%_error_low -4.57e-08 -6.83e-08 -1.35e-07 -2.35e-07 -2.60e-07 -3.62e-07 erg/cm2
90%_error_hi 4.58e-08 7.65e-08 1.05e-07 8.32e-07 2.77e-07 9.15e-07 erg/cm2
Peak flux CPL 3.34e-01 4.15e-01 3.23e-01 2.41e-01 1.20e+00 1.31e+00 ph/cm2/s
90%_error_low -8.65e-02 -6.58e-02 -5.44e-02 -1.56e-01 -1.60e-01 -2.31e-01 ph/cm2/s
90%_error_hi 8.89e-02 6.97e-02 5.62e-02 2.12e-01 1.59e-01 2.81e-01 ph/cm2/s
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