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 12:25:31 EST 2019
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger926515
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Trigger: 00926515 Segment: 000
BAT Trigger Time: 591184360 [s; MET]
Trigger Stop: 591184424 [s; MET]
UTC: 2019-09-26T09:52:16.353280 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 100.598926332506 Dec: 59.5111569925745 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.13
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 8.13
Analysis Position: [ source = BAT ]
RA: 100.598926332506 Dec: 59.5111569925745 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 100.615496445917 Dec: 59.5317546515976 [deg; J2000]
{ 06h 42m 27.7s , +59d 31' 54.3" }
+/- 2.28201250794827 [arcmin] (estimated 90% radius based on SNR)
+/- 1.2323758029466 [arcmin] (formal 1-sigma fit error)
SNR: 9.35913029757714
Angular difference between the analysis and refined position is 1.334783 arcmin
Partial Coding Fraction: 0.5 [ including projection effects ]
Duration
T90: 362.340000033379 +/- 19.6065119642314
Measured from: 11.2079999446869
to: 373.547999978065 [s; relative to TRIGTIME]
T50: 187.144000053406 +/- 116.639384614027
Measured from: 47.3839999437332
to: 234.527999997139 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 52.9479999542236
to: 53.9479999542236 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.00399994850158691
to: 386.468000054359 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.839651 1.715415 0.941788 0.059635
0.124655 0.128511 0.111524 0.098384 [error]
Peak 0.032886 0.026849 0.007819 0.010941
0.008310 0.008535 0.007016 0.006592 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 386.472 -0.004 386.468
T90 362.340 11.208 373.548
T50 187.144 47.384 234.528
Peak 1.000 52.948 53.948
====== 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 -2.114 -0.184 0.175 - - - 6.46e-04 -7.53e-05 7.34e-05 48.580 57
CPL -1.997 1.997 1.997 1.670 N/A N/A 7.27e-04 N/A N/A 49.290 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 -2.016 -0.804 0.704 - - - 3.76e-03 -1.85e-03 1.72e-03 59.940 57
CPL -2.037 -1.642 3.855 19.452 N/A N/A 3.45e-03 N/A N/A 59.870 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 5.69e-07 7.21e-07 6.66e-07 1.08e-06 2.32e-06 3.04e-06 erg/cm2
90%_error_low -6.85e-08 -6.09e-08 -1.08e-07 -3.12e-07 -2.37e-07 -4.38e-07 erg/cm2
90%_error_hi 7.02e-08 6.07e-08 1.10e-07 3.91e-07 2.42e-07 4.99e-07 erg/cm2
Peak flux PL 2.55e-01 1.89e-01 9.36e-02 6.59e-02 5.68e-01 6.03e-01 ph/cm2/s
90%_error_low -1.25e-01 -6.82e-02 -5.50e-02 -6.59e-02 -2.01e-01 -2.16e-01 ph/cm2/s
90%_error_hi 1.30e-01 6.73e-02 6.06e-02 1.20e-01 2.01e-01 2.18e-01 ph/cm2/s
Fluence CPL 5.62e-07 6.13e-07 4.98e-07 8.26e-07 1.94e-06 2.71e-06 erg/cm2
90%_error_low -7.41e-08 -1.67e-07 -2.34e-07 -5.37e-07 -5.84e-07 -1.17e-06 erg/cm2
90%_error_hi 7.39e-08 1.53e-07 2.61e-07 7.86e-07 6.02e-07 9.78e-07 erg/cm2
Peak flux CPL N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_low -1.25e-01 -6.82e-02 -5.50e-02 -6.59e-02 -2.01e-01 -2.16e-01 ph/cm2/s
90%_error_hi 1.30e-01 6.73e-02 6.06e-02 1.20e-01 2.01e-01 2.18e-01 ph/cm2/s
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