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: Tue Aug 15 14:38:47 EDT 2017
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger765008
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Trigger: 00765008 Segment: 000
BAT Trigger Time: 522917628.224 [s; MET]
Trigger Stop: 522917629.248 [s; MET]
UTC: 2017-07-28T06:53:28.786200 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 58.8977966424924 Dec: 12.1531504042179 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.37
Image Trigger?: NO
Rate S/N Ratio: 13.6014705087354 [ if not an image trigger ]
Image S/N Ratio: 8.37
Analysis Position: [ source = BAT ]
RA: 58.8977966424924 Dec: 12.1531504042179 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 58.9019491881013 Dec: 12.1623143083089 [deg; J2000]
{ 03h 55m 36.5s , +12d 09' 44.3" }
+/- 2.13400162372094 [arcmin] (estimated 90% radius based on SNR)
+/- 1.13550854820716 [arcmin] (formal 1-sigma fit error)
SNR: 10.3000699020161
Angular difference between the analysis and refined position is 0.601366 arcmin
Partial Coding Fraction: 0.734375 [ including projection effects ]
Duration
T90: 1.24799996614456 +/- 0.246868420778323
Measured from: 0.236000001430511
to: 1.48399996757507 [s; relative to TRIGTIME]
T50: 0.519999980926514 +/- 0.206155252368384
Measured from: 0.61599999666214
to: 1.13599997758865 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.200000047683716
to: 1.20000004768372 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.168000042438507
to: 1.58400005102158 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.054699 0.076575 0.026221 0.000316
0.008658 0.008987 0.007517 0.006220 [error]
Peak 0.039421 0.063677 0.022043 -0.001261
0.007381 0.007649 0.006431 0.005260 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 1.416 0.168 1.584
T90 1.248 0.236 1.484
T50 0.520 0.616 1.136
Peak 1.000 0.200 1.200
====== 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 -2.001 -0.271 0.249 - - - 6.33e-03 -1.26e-03 1.23e-03 65.120 57
CPL 0.997 -1.627 2.252 38.786 -5.490 7.075 3.98e-01 -3.98e-01 8.63e+00 52.860 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 -1.959 -0.289 0.265 - - - 7.26e-03 -1.51e-03 1.48e-03 76.490 57
CPL 1.148 -1.769 2.561 41.000 -5.970 7.654 4.69e-01 -4.69e-01 1.31e+01 65.630 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 1.84e-08 2.49e-08 2.49e-08 4.49e-08 8.27e-08 1.13e-07 erg/cm2
90%_error_low -3.55e-09 -3.93e-09 -6.35e-09 -1.86e-08 -1.53e-08 -2.76e-08 erg/cm2
90%_error_hi 3.63e-09 3.91e-09 6.62e-09 2.55e-08 1.58e-08 3.30e-08 erg/cm2
Peak flux PL 4.65e-01 3.57e-01 1.84e-01 1.36e-01 1.07e+00 1.14e+00 ph/cm2/s
90%_error_low -9.93e-02 -5.93e-02 -4.78e-02 -5.62e-02 -1.76e-01 -1.92e-01 ph/cm2/s
90%_error_hi 1.03e-01 5.92e-02 4.92e-02 7.52e-02 1.76e-01 1.93e-01 ph/cm2/s
Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_low -3.55e-09 -3.93e-09 -6.35e-09 -1.86e-08 -1.53e-08 -2.76e-08 erg/cm2
90%_error_hi 3.63e-09 3.91e-09 6.62e-09 2.55e-08 1.58e-08 3.30e-08 erg/cm2
Peak flux CPL 3.48e-01 4.89e-01 1.65e-01 7.07e-03 1.01e+00 1.01e+00 ph/cm2/s
90%_error_low -1.27e-01 -9.15e-02 -6.17e-02 -7.07e-03 -1.76e-01 -1.76e-01 ph/cm2/s
90%_error_hi 1.27e-01 9.38e-02 6.45e-02 2.80e-02 1.77e-01 1.77e-01 ph/cm2/s
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