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.
======================================================================
BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Thu Apr 13 17:21:46 EDT 2017
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger743065
======================================================================
Trigger: 00743065 Segment: 000
BAT Trigger Time: 511531935.296 [s; MET]
Trigger Stop: 511531939.392 [s; MET]
UTC: 2017-03-18T12:11:56.523520 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 305.64484692759 Dec: 28.4088371264311 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.17
Image Trigger?: NO
Rate S/N Ratio: 16.4924225024706 [ if not an image trigger ]
Image S/N Ratio: 12.17
Analysis Position: [ source = BAT ]
RA: 305.64484692759 Dec: 28.4088371264311 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 305.662886054861 Dec: 28.4056212980887 [deg; J2000]
{ 20h 22m 39.1s , +28d 24' 20.2" }
+/- 1.219494762415 [arcmin] (estimated 90% radius based on SNR)
+/- 0.406466426582266 [arcmin] (formal 1-sigma fit error)
SNR: 22.9088970640108
Angular difference between the analysis and refined position is 0.971377 arcmin
Partial Coding Fraction: 0.4375 [ including projection effects ]
Duration
T90: 116.915999948978 +/- 31.5270477928061
Measured from: -5.35600000619888
to: 111.55999994278 [s; relative to TRIGTIME]
T50: 36.2159999608994 +/- 5.37444324172465
Measured from: 5.6599999666214
to: 41.8759999275208 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.87199997901917
to: 2.87199997901917 [s; relative to TRIGTIME]
Total Fluence
Measured from: -21.5920000076294
to: 146.259999990463 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.983846 2.179676 1.559454 0.548996
0.112665 0.114733 0.099809 0.085071 [error]
Peak 0.030191 0.032227 0.080853 0.038840
0.010722 0.011612 0.010793 0.008831 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 167.852 -21.592 146.260
T90 116.916 -5.356 111.560
T50 36.216 5.660 41.876
Peak 1.000 1.872 2.872
====== 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: 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 -1.334 -0.107 0.108 - - - 2.21e-03 -1.39e-04 1.39e-04 74.310 57
CPL -0.774 -0.473 0.538 113.058 -32.467 288.883 4.18e-03 -1.71e-03 3.41e-03 70.180 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 -0.807 -0.358 0.395 - - - 1.06e-02 -2.54e-03 2.45e-03 83.160 57
CPL 1.078 -2.007 5.433 113.582 -33.136 -113.582 4.72e-02 -4.72e-02 1.61e+00 81.130 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 4.06e-07 8.27e-07 1.31e-06 4.62e-06 3.65e-06 7.17e-06 erg/cm2
90%_error_low -4.73e-08 -5.96e-08 -9.70e-08 -7.09e-07 -2.44e-07 -7.76e-07 erg/cm2
90%_error_hi 4.91e-08 5.92e-08 9.66e-08 7.93e-07 2.45e-07 8.44e-07 erg/cm2
Peak flux PL 2.26e-01 3.44e-01 3.93e-01 8.59e-01 1.22e+00 1.82e+00 ph/cm2/s
90%_error_low -1.01e-01 -1.07e-01 -8.10e-02 -3.23e-01 -2.76e-01 -3.93e-01 ph/cm2/s
90%_error_hi 1.26e-01 1.08e-01 8.09e-02 4.35e-01 2.81e-01 4.16e-01 ph/cm2/s
Fluence CPL 3.67e-07 8.73e-07 1.37e-06 2.15e-06 3.50e-06 4.76e-06 erg/cm2
90%_error_low -5.71e-08 -7.21e-08 -1.10e-07 -9.45e-07 -2.79e-07 -9.64e-07 erg/cm2
90%_error_hi 5.86e-08 7.40e-08 1.11e-07 1.90e-06 2.75e-07 1.87e-06 erg/cm2
Peak flux CPL 1.00e-01 3.06e-01 4.77e-01 3.41e-01 1.10e+00 1.23e+00 ph/cm2/s
90%_error_low -1.00e-01 -1.78e-01 -1.27e-01 -2.16e-01 -3.13e-01 -4.19e-01 ph/cm2/s
90%_error_hi 1.87e-01 1.38e-01 1.40e-01 6.54e-01 3.17e-01 7.64e-01 ph/cm2/s
======================================================================
Special notes of this burst