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: Mon Jan 13 06:04:32 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger517234
======================================================================
Trigger: 00517234 Segment: 000
BAT Trigger Time: 352880026.624 [s; MET]
Trigger Stop: 352880030.72 [s; MET]
UTC: 2012-03-08T06:13:38.654560 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 219.077930337103 Dec: 79.7034623843718 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.74
Image Trigger?: NO
Rate S/N Ratio: 8.30662386291807 [ if not an image trigger ]
Image S/N Ratio: 8.74
Analysis Position: [ source = BAT ]
RA: 219.077930337103 Dec: 79.7034623843718 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 219.12266054142 Dec: 79.677734855378 [deg; J2000]
{ 14h 36m 29.4s , +79d 40' 39.8" }
+/- 1.31455536765174 [arcmin] (estimated 90% radius based on SNR)
+/- 0.425188706623284 [arcmin] (formal 1-sigma fit error)
SNR: 20.5794735924838
Angular difference between the analysis and refined position is 1.616649 arcmin
Partial Coding Fraction: 0.9765625 [ including projection effects ]
Duration
T90: 61.2559999227524 +/- 16.8148358036733
Measured from: -19.4639999866486
to: 41.7919999361038 [s; relative to TRIGTIME]
T50: 23.1159999966621 +/- 3.68487558487293
Measured from: -6.28400003910065
to: 16.8319999575615 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.624000012874603
to: 1.6240000128746 [s; relative to TRIGTIME]
Total Fluence
Measured from: -24.7520000338554
to: 58.2039999961853 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.667613 0.803141 0.502276 0.097781
0.045030 0.047349 0.043354 0.041502 [error]
Peak 0.023313 0.030163 0.019870 0.001468
0.005007 0.005475 0.005001 0.004647 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 82.956 -24.752 58.204
T90 61.256 -19.464 41.792
T50 23.116 -6.284 16.832
Peak 1.000 0.624 1.624
====== 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 -1.719 -0.130 0.127 - - - 1.52e-03 -1.21e-04 1.20e-04 53.070 57
CPL -1.095 -0.507 0.581 65.035 -14.143 80.572 3.34e-03 -1.55e-03 3.55e-03 48.520 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 -1.707 -0.408 0.374 - - - 4.48e-03 -1.16e-03 1.11e-03 68.960 57
CPL -1.335 -1.071 1.997 76.369 -76.325 -76.369 7.33e-03 -7.33e-03 1.02e-01 68.790 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 1.98e-07 3.19e-07 3.88e-07 9.25e-07 1.17e-06 1.83e-06 erg/cm2
90%_error_low -2.12e-08 -2.22e-08 -4.20e-08 -1.91e-07 -9.72e-08 -2.33e-07 erg/cm2
90%_error_hi 2.17e-08 2.22e-08 4.23e-08 2.23e-07 9.87e-08 2.59e-07 erg/cm2
Peak flux PL 2.25e-01 2.00e-01 1.23e-01 1.14e-01 5.96e-01 6.62e-01 ph/cm2/s
90%_error_low -6.76e-02 -4.22e-02 -4.06e-02 -5.97e-02 -1.26e-01 -1.46e-01 ph/cm2/s
90%_error_hi 7.12e-02 4.22e-02 4.13e-02 8.97e-02 1.26e-01 1.50e-01 ph/cm2/s
Fluence CPL 1.84e-07 3.42e-07 3.86e-07 3.45e-07 1.09e-06 1.26e-06 erg/cm2
90%_error_low -2.45e-08 -2.86e-08 -4.71e-08 -1.79e-07 -1.11e-07 -2.14e-07 erg/cm2
90%_error_hi 2.47e-08 2.94e-08 4.63e-08 4.04e-07 1.14e-07 4.15e-07 erg/cm2
Peak flux CPL 2.17e-01 2.10e-01 1.23e-01 6.60e-02 5.89e-01 6.16e-01 ph/cm2/s
90%_error_low -7.64e-02 -5.04e-02 -4.75e-02 -6.60e-02 -1.30e-01 -1.53e-01 ph/cm2/s
90%_error_hi 7.63e-02 6.05e-02 4.41e-02 6.54e-02 1.30e-01 1.89e-01 ph/cm2/s
======================================================================
Special notes of this burst