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 06:45:09 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger514767
======================================================================
Trigger: 00514767 Segment: 000
BAT Trigger Time: 350785647.424 [s; MET]
Trigger Stop: 350785648.448 [s; MET]
UTC: 2012-02-13T00:27:19.539260 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 301.032042264378 Dec: 65.3975709325225 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 13.83
Image Trigger?: NO
Rate S/N Ratio: 25.298221281347 [ if not an image trigger ]
Image S/N Ratio: 13.83
Analysis Position: [ source = BAT ]
RA: 301.032042264378 Dec: 65.3975709325225 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 300.991469250387 Dec: 65.4133757417132 [deg; J2000]
{ 20h 03m 58.0s , +65d 24' 48.2" }
+/- 0.678940279349305 [arcmin] (estimated 90% radius based on SNR)
+/- 0.171722481704201 [arcmin] (formal 1-sigma fit error)
SNR: 52.8882244822193
Angular difference between the analysis and refined position is 1.387722 arcmin
Partial Coding Fraction: 1.015625 [ including projection effects ]
Duration
T90: 41.0279999375343 +/- 12.7763865071505
Measured from: -3.432000041008
to: 37.5959998965263 [s; relative to TRIGTIME]
T50: 15.391999900341 +/- 1.42056326353137
Measured from: 2.14800000190735
to: 17.5399999022484 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 5.4439999461174
to: 6.4439999461174 [s; relative to TRIGTIME]
Total Fluence
Measured from: -6.31200003623962
to: 74.4599999785423 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.825814 1.558213 0.559263 0.133213
0.045415 0.045410 0.038542 0.032944 [error]
Peak 0.090527 0.081388 0.035815 0.006180
0.005770 0.005709 0.004581 0.003691 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 80.772 -6.312 74.460
T90 41.028 -3.432 37.596
T50 15.392 2.148 17.540
Peak 1.000 5.444 6.444
====== 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 -2.372 -0.091 0.089 - - - 2.38e-03 -1.28e-04 1.27e-04 64.420 57
CPL -1.866 -0.147 0.458 10.651 -8.718 14.801 4.64e-03 -1.14e-03 3.85e-03 59.490 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 -2.089 -0.160 0.154 - - - 1.11e-02 -1.16e-03 1.14e-03 50.850 57
CPL -1.994 1.994 1.994 2.673 -1.690 -2.673 1.27e-02 N/A N/A 50.790 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 5.60e-07 6.08e-07 4.70e-07 5.95e-07 1.86e-06 2.23e-06 erg/cm2
90%_error_low -3.55e-08 -2.43e-08 -3.57e-08 -8.72e-08 -8.00e-08 -1.26e-07 erg/cm2
90%_error_hi 3.63e-08 2.43e-08 3.63e-08 9.75e-08 8.05e-08 1.33e-07 erg/cm2
Peak flux PL 8.09e-01 5.76e-01 2.71e-01 1.79e-01 1.74e+00 1.84e+00 ph/cm2/s
90%_error_low -9.33e-02 -4.58e-02 -3.73e-02 -4.33e-02 -1.39e-01 -1.46e-01 ph/cm2/s
90%_error_hi 9.53e-02 4.57e-02 3.79e-02 5.14e-02 1.39e-01 1.46e-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-08 -2.43e-08 -3.57e-08 -8.72e-08 -8.00e-08 -1.26e-07 erg/cm2
90%_error_hi 3.63e-08 2.43e-08 3.63e-08 9.75e-08 8.05e-08 1.33e-07 erg/cm2
Peak flux CPL 8.08e-01 5.78e-01 2.71e-01 1.80e-01 1.74e+00 1.83e+00 ph/cm2/s
90%_error_low -1.08e-01 -5.79e-02 -3.79e-02 -2.83e-02 -1.39e-01 -1.37e-01 ph/cm2/s
90%_error_hi 1.01e-01 4.40e-02 3.89e-02 5.98e-02 1.45e-01 1.59e-01 ph/cm2/s
======================================================================
Special notes of this burst