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: Sun Dec 4 15:33:31 EST 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger721234
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Trigger: 00721234 Segment: 000
BAT Trigger Time: 500268770.304 [s; MET]
Trigger Stop: 500268774.4 [s; MET]
UTC: 2016-11-08T03:32:33.177140 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 180.783723776048 Dec: 24.8691396176327 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.76
Image Trigger?: NO
Rate S/N Ratio: 10.5830052442584 [ if not an image trigger ]
Image S/N Ratio: 7.76
Analysis Position: [ source = BAT ]
RA: 180.783723776048 Dec: 24.8691396176327 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 180.780036135262 Dec: 24.9049778897337 [deg; J2000]
{ 12h 03m 07.2s , +24d 54' 17.9" }
+/- 1.85186791844804 [arcmin] (estimated 90% radius based on SNR)
+/- 1.31608467197713 [arcmin] (formal 1-sigma fit error)
SNR: 12.6129992073679
Angular difference between the analysis and refined position is 2.159643 arcmin
Partial Coding Fraction: 0.953125 [ including projection effects ]
Duration
T90: 115.835999906063 +/- 11.6600351623619
Measured from: -0.495999991893768
to: 115.339999914169 [s; relative to TRIGTIME]
T50: 79.4799999594688 +/- 11.3451261957804
Measured from: 7.27599996328354
to: 86.7559999227524 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -1.80400002002716
to: -0.804000020027161 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.90400004386902
to: 126.755999982357 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.720930 0.739977 0.483102 0.039515
0.060149 0.062129 0.052665 0.044194 [error]
Peak 0.031894 0.032535 0.008618 0.000440
0.005509 0.005725 0.004723 0.003849 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 128.660 -1.904 126.756
T90 115.836 -0.496 115.340
T50 79.480 7.276 86.756
Peak 1.000 -1.804 -0.804
====== 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 -1.785 -0.163 0.158 - - - 9.26e-04 -9.56e-05 9.40e-05 46.500 57
CPL -1.312 -0.560 0.677 65.124 -17.764 -65.124 1.69e-03 -8.14e-04 2.23e-03 44.620 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 -2.072 -0.407 0.357 - - - 3.88e-03 -1.12e-03 1.09e-03 59.950 57
CPL 0.048 -2.040 3.268 35.961 -16.204 18.499 7.86e-02 -7.86e-02 8.16e+00 56.840 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 1.99e-07 3.08e-07 3.57e-07 7.97e-07 1.10e-06 1.66e-06 erg/cm2
90%_error_low -2.60e-08 -2.70e-08 -4.97e-08 -2.04e-07 -1.15e-07 -2.58e-07 erg/cm2
90%_error_hi 2.67e-08 2.71e-08 5.01e-08 2.47e-07 1.17e-07 2.92e-07 erg/cm2
Peak flux PL 2.78e-01 2.00e-01 9.50e-02 6.37e-02 6.03e-01 6.36e-01 ph/cm2/s
90%_error_low -7.22e-02 -4.27e-02 -3.41e-02 -3.44e-02 -1.25e-01 -1.35e-01 ph/cm2/s
90%_error_hi 7.45e-02 4.23e-02 3.61e-02 5.23e-02 1.25e-01 1.36e-01 ph/cm2/s
Fluence CPL 1.89e-07 3.25e-07 3.58e-07 3.68e-07 1.05e-06 1.24e-06 erg/cm2
90%_error_low -2.97e-08 -3.48e-08 -5.40e-08 -2.17e-07 -1.27e-07 -2.57e-07 erg/cm2
90%_error_hi 2.97e-08 3.58e-08 5.37e-08 5.02e-07 1.31e-07 5.35e-07 erg/cm2
Peak flux CPL 2.46e-01 2.54e-01 7.65e-02 4.45e-03 5.80e-01 5.80e-01 ph/cm2/s
90%_error_low -8.83e-02 -6.67e-02 -4.28e-02 -4.45e-03 -1.23e-01 -1.23e-01 ph/cm2/s
90%_error_hi 8.50e-02 6.91e-02 4.72e-02 5.22e-02 1.24e-01 1.25e-01 ph/cm2/s
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