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 11:54:33 EST 2019
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger933515
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Trigger: 00933515 Segment: 000
BAT Trigger Time: 594742547.776 [s; MET]
Trigger Stop: 594742548.288 [s; MET]
UTC: 2019-11-06T14:15:23.900640 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 269.349636887849 Dec: 46.0518248196464 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.85
Image Trigger?: NO
Rate S/N Ratio: 20.5669638012031 [ if not an image trigger ]
Image S/N Ratio: 7.85
Analysis Position: [ source = BAT ]
RA: 269.349636887849 Dec: 46.0518248196464 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 269.359318636608 Dec: 46.0473276332839 [deg; J2000]
{ 17h 57m 26.2s , +46d 02' 50.4" }
+/- 1.63859635698673 [arcmin] (estimated 90% radius based on SNR)
+/- 0.741387568123865 [arcmin] (formal 1-sigma fit error)
SNR: 15.0220716823996
Angular difference between the analysis and refined position is 0.485133 arcmin
Partial Coding Fraction: 0.953125 [ including projection effects ]
Duration
T90: 3.43599987030029 +/- 0.324863016551151
Measured from: -1.25199997425079
to: 2.1839998960495 [s; relative to TRIGTIME]
T50: 1.64799988269806 +/- 0.720988169553211
Measured from: -0.00800001621246338
to: 1.6399998664856 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.0479999780654907
to: 0.952000021934509 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.35600006580353
to: 2.37999999523163 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.056877 0.157930 0.156001 0.053594
0.013764 0.014639 0.013370 0.011352 [error]
Peak 0.020252 0.054813 0.053791 0.023784
0.007093 0.007917 0.007290 0.005981 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 3.736 -1.356 2.380
T90 3.436 -1.252 2.184
T50 1.648 -0.008 1.640
Peak 1.000 -0.048 0.952
====== 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 -0.900 -0.171 0.178 - - - 7.59e-03 -7.55e-04 7.49e-04 45.040 57
CPL -0.595 -0.386 0.759 263.338 -263.338 -263.338 1.04e-02 -3.39e-03 1.15e-02 44.420 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 -0.770 -0.267 0.288 - - - 9.78e-03 -1.56e-03 1.52e-03 44.710 57
CPL -0.765 -0.267 0.347 9999.190 -9999.190 -9999.190 9.85e-03 -1.47e-03 1.79e-02 44.710 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 2.07e-08 5.50e-08 1.18e-07 6.56e-07 3.18e-07 8.50e-07 erg/cm2
90%_error_low -4.18e-09 -6.88e-09 -1.23e-08 -1.47e-07 -3.30e-08 -1.54e-07 erg/cm2
90%_error_hi 4.49e-09 6.76e-09 1.22e-08 1.78e-07 3.31e-08 1.81e-07 erg/cm2
Peak flux PL 2.01e-01 3.13e-01 3.67e-01 8.32e-01 1.13e+00 1.71e+00 ph/cm2/s
90%_error_low -6.55e-02 -6.66e-02 -5.53e-02 -2.52e-01 -1.71e-01 -2.84e-01 ph/cm2/s
90%_error_hi 7.47e-02 6.52e-02 5.49e-02 3.26e-01 1.72e-01 3.12e-01 ph/cm2/s
Fluence CPL 1.92e-08 5.62e-08 1.22e-07 4.33e-07 3.12e-07 6.30e-07 erg/cm2
90%_error_low -5.15e-09 -7.39e-09 -1.46e-08 -2.44e-07 -3.60e-08 -2.43e-07 erg/cm2
90%_error_hi 5.16e-09 7.58e-09 1.49e-08 3.98e-07 3.53e-08 2.75e-07 erg/cm2
Peak flux CPL 2.01e-01 3.14e-01 3.68e-01 8.31e-01 1.13e+00 1.71e+00 ph/cm2/s
90%_error_low -6.65e-02 -5.70e-02 -5.52e-02 -5.22e-01 -1.75e-01 -5.56e-01 ph/cm2/s
90%_error_hi 5.61e-02 6.44e-02 7.05e-02 1.68e-01 1.71e-01 2.85e-01 ph/cm2/s
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