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: Thu Oct 6 15:25:31 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger711914
======================================================================
Trigger: 00711914 Segment: 000
BAT Trigger Time: 495389280 [s; MET]
Trigger Stop: 495389344 [s; MET]
UTC: 2016-09-12T16:07:43.149340 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 301.518010297722 Dec: 57.543460509347 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.97
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.97
Analysis Position: [ source = BAT ]
RA: 301.518010297722 Dec: 57.543460509347 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 301.605851267266 Dec: 57.5638056226087 [deg; J2000]
{ 20h 06m 25.4s , +57d 33' 49.7" }
+/- 2.35821115181329 [arcmin] (estimated 90% radius based on SNR)
+/- 1.3558636778596 [arcmin] (formal 1-sigma fit error)
SNR: 8.9301220804323
Angular difference between the analysis and refined position is 3.079894 arcmin
Partial Coding Fraction: 0.9609375 [ including projection effects ]
Duration
T90: 207.307999968529 +/- 16.0269435733524
Measured from: -20.4480000138283
to: 186.8599999547 [s; relative to TRIGTIME]
T50: 22.4359999895096 +/- 105.830444624765
Measured from: 145.463999986649
to: 167.899999976158 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 148.56400001049
to: 149.56400001049 [s; relative to TRIGTIME]
Total Fluence
Measured from: -33.1119999885559
to: 211.087999999523 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.578017 2.179341 1.768317 0.481266
0.106124 0.113153 0.105087 0.109793 [error]
Peak 0.052537 0.071959 0.062680 0.022365
0.007134 0.008209 0.007661 0.007259 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 244.200 -33.112 211.088
T90 207.308 -20.448 186.860
T50 22.436 145.464 167.900
Peak 1.000 148.564 149.564
====== 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 -1.435 -0.109 0.108 - - - 1.56e-03 -9.37e-05 9.33e-05 36.820 57
CPL -1.177 -0.310 0.456 158.823 -72.019 -158.823 2.10e-03 -6.10e-04 1.42e-03 35.710 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 -1.268 -0.204 0.205 - - - 1.36e-02 -1.57e-03 1.56e-03 53.260 57
CPL -1.262 -0.207 0.355 9999.320 -9999.320 -9999.320 1.36e-02 -1.36e-02 8.26e-03 53.280 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 4.57e-07 8.75e-07 1.29e-06 4.12e-06 3.66e-06 6.74e-06 erg/cm2
90%_error_low -4.68e-08 -5.38e-08 -1.04e-07 -6.80e-07 -2.48e-07 -7.63e-07 erg/cm2
90%_error_hi 4.84e-08 5.36e-08 1.04e-07 7.72e-07 2.50e-07 8.41e-07 erg/cm2
Peak flux PL 4.47e-01 5.16e-01 4.29e-01 6.00e-01 1.61e+00 1.99e+00 ph/cm2/s
90%_error_low -8.87e-02 -6.39e-02 -6.28e-02 -1.66e-01 -1.82e-01 -2.46e-01 ph/cm2/s
90%_error_hi 9.28e-02 6.29e-02 6.20e-02 2.04e-01 1.82e-01 2.54e-01 ph/cm2/s
Fluence CPL 4.37e-07 8.96e-07 1.31e-06 2.72e-06 3.56e-06 5.37e-06 erg/cm2
90%_error_low -5.68e-08 -6.34e-08 -1.08e-07 -1.26e-06 -2.89e-07 -1.29e-06 erg/cm2
90%_error_hi 5.77e-08 6.48e-08 1.10e-07 1.59e-06 2.90e-07 1.66e-06 erg/cm2
Peak flux CPL 4.47e-01 5.17e-01 4.29e-01 5.96e-01 1.62e+00 2.00e+00 ph/cm2/s
90%_error_low N/A N/A -6.28e-02 N/A -2.52e-01 -3.24e-01 ph/cm2/s
90%_error_hi N/A N/A 6.21e-02 N/A 2.34e-01 2.22e-01 ph/cm2/s
======================================================================
Special notes of this burst