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 06:09:51 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger516997
======================================================================
Trigger: 00516997 Segment: 000
BAT Trigger Time: 352669058.068 [s; MET]
Trigger Stop: 352669058.132 [s; MET]
UTC: 2012-03-05T19:37:30.107140 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 47.5464362623518 Dec: 28.4934691193433 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 18.18
Image Trigger?: NO
Rate S/N Ratio: 186.566342087741 [ if not an image trigger ]
Image S/N Ratio: 18.18
Analysis Position: [ source = BAT ]
RA: 47.5464362623518 Dec: 28.4934691193433 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 47.5489609882108 Dec: 28.494791756286 [deg; J2000]
{ 03h 10m 11.8s , +28d 29' 41.3" }
+/- 0.927685758260998 [arcmin] (estimated 90% radius based on SNR)
+/- 0.269958629434275 [arcmin] (formal 1-sigma fit error)
SNR: 33.8601235139361
Angular difference between the analysis and refined position is 0.154991 arcmin
Partial Coding Fraction: 0.921875 [ including projection effects ]
Duration
T90: 0.0999999046325684 +/- 0.0120000243186951
Measured from: 0.00400000810623169
to: 0.1039999127388 [s; relative to TRIGTIME]
T50: 0.0279999375343323 +/- 0.00565686571343518
Measured from: 0.0199999809265137
to: 0.0479999184608459 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.434000015258789
to: 0.565999984741211 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0
to: 0.12799996137619 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.052298 0.097002 0.099583 0.033456
0.003540 0.004716 0.005186 0.004097 [error]
Peak 0.054310 0.103196 0.103130 0.031328
0.005824 0.006688 0.006726 0.005624 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 0.128 0.000 0.128
T90 0.100 0.004 0.104
T50 0.028 0.020 0.048
Peak 1.000 -0.434 0.566
====== 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 -0.992 -0.089 0.090 - - - 1.43e-01 -7.49e-03 7.49e-03 64.320 57
CPL -0.675 -0.340 0.372 222.886 -92.581 -222.886 2.04e-01 -5.55e-02 1.01e-01 61.830 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 -1.039 -0.120 0.121 - - - 1.92e-02 -1.31e-03 1.31e-03 52.630 57
CPL -0.838 -0.259 0.490 313.166 -313.166 -313.166 2.39e-02 -5.74e-03 1.62e-02 52.050 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 1.46e-08 3.66e-08 7.36e-08 3.71e-07 1.99e-07 4.96e-07 erg/cm2
90%_error_low -1.38e-09 -2.13e-09 -4.69e-09 -4.99e-08 -1.23e-08 -5.34e-08 erg/cm2
90%_error_hi 1.42e-09 2.12e-09 4.67e-09 5.49e-08 1.24e-08 5.79e-08 erg/cm2
Peak flux PL 5.08e-01 6.73e-01 6.55e-01 1.14e+00 2.21e+00 2.98e+00 ph/cm2/s
90%_error_low -6.68e-02 -5.48e-02 -5.20e-02 -1.84e-01 -1.53e-01 -2.31e-01 ph/cm2/s
90%_error_hi 6.96e-02 5.43e-02 5.16e-02 2.06e-01 1.53e-01 2.38e-01 ph/cm2/s
Fluence CPL 1.37e-08 3.78e-08 7.58e-08 2.30e-07 1.94e-07 3.58e-07 erg/cm2
90%_error_low -1.65e-09 -2.52e-09 -5.31e-09 -8.85e-08 -1.35e-08 -8.82e-08 erg/cm2
90%_error_hi 1.67e-09 2.57e-09 5.40e-09 1.53e-07 1.34e-08 1.53e-07 erg/cm2
Peak flux CPL 4.86e-01 6.84e-01 6.69e-01 9.01e-01 2.19e+00 2.74e+00 ph/cm2/s
90%_error_low -8.15e-02 -5.94e-02 -6.03e-02 -3.57e-01 -1.58e-01 -3.90e-01 ph/cm2/s
90%_error_hi 7.85e-02 6.11e-02 6.16e-02 2.97e-01 1.57e-01 3.61e-01 ph/cm2/s
======================================================================
Special notes of this burst