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: Fri Jan 17 17:49:15 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger426114
======================================================================
Trigger: 00426114 Segment: 000
BAT Trigger Time: 299405806.764 [s; MET]
Trigger Stop: 299405806.796 [s; MET]
UTC: 2010-06-28T08:16:40.830060 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 225.967631752 Dec: -31.6607579182113 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.88
Image Trigger?: NO
Rate S/N Ratio: 31.7647603485372 [ if not an image trigger ]
Image S/N Ratio: 9.88
Analysis Position: [ source = BAT ]
RA: 225.967631752 Dec: -31.6607579182113 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 225.94305437884 Dec: -31.6529542185084 [deg; J2000]
{ 15h 03m 46.3s , -31d 39' 10.6" }
+/- 2.06791844843284 [arcmin] (estimated 90% radius based on SNR)
+/- 0.885030799813363 [arcmin] (formal 1-sigma fit error)
SNR: 10.7734889116672
Angular difference between the analysis and refined position is 1.339710 arcmin
Partial Coding Fraction: 0.703125 [ including projection effects ]
Duration
T90: 0.0359999537467957 +/- 0.00894429003608426
Measured from: -0.00400000810623169
to: 0.031999945640564 [s; relative to TRIGTIME]
T50: 0.0199999213218689 +/- 0.00565686571343518
Measured from: 0.00400000810623169
to: 0.0239999294281006 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.48199999332428
to: 0.51800000667572 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.00400000810623169
to: 0.0360000133514404 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.006607 0.012837 0.023574 0.003267
0.001782 0.002253 0.002784 0.001871 [error]
Peak -0.004136 0.017805 0.037246 0.009731
0.006523 0.006678 0.006375 0.005576 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 0.040 -0.004 0.036
T90 0.036 -0.004 0.032
T50 0.020 0.004 0.024
Peak 1.000 -0.482 0.518
====== 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 -1.252 -0.256 0.240 - - - 5.28e-02 -1.05e-02 1.04e-02 80.980 57
CPL 2.655 -1.815 3.708 74.331 -8.935 12.103 2.25e+00 -2.25e+00 3.15e+01 60.430 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 -0.533 -0.458 0.543 - - - 4.05e-03 -1.41e-03 1.36e-03 73.630 57
CPL 9.603 -5.170 -9.603 84.670 -10.035 9.620 3.58e+00 -3.58e+00 4.49e+00 63.270 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 2.14e-09 4.58e-09 7.69e-09 2.95e-08 2.11e-08 4.39e-08 erg/cm2
90%_error_low -5.75e-10 -9.23e-10 -1.78e-09 -1.12e-08 -4.57e-09 -1.32e-08 erg/cm2
90%_error_hi 6.11e-10 9.19e-10 1.76e-09 1.38e-08 4.60e-09 1.53e-08 erg/cm2
Peak flux PL 6.62e-02 1.20e-01 1.66e-01 4.78e-01 4.77e-01 8.31e-01 ph/cm2/s
90%_error_low -3.84e-02 -5.15e-02 -4.72e-02 -2.21e-01 -1.44e-01 -2.60e-01 ph/cm2/s
90%_error_hi 5.40e-02 5.46e-02 4.72e-02 3.30e-01 1.48e-01 3.05e-01 ph/cm2/s
Fluence CPL 1.39e-09 1.88e-09 1.96e-09 4.68e-09 6.47e-09 9.89e-09 erg/cm2
90%_error_low N/A -1.04e-09 -1.29e-09 N/A N/A -6.32e-09 erg/cm2
90%_error_hi N/A 4.86e-10 1.05e-09 N/A N/A 4.43e-09 erg/cm2
Peak flux CPL 5.84e-04 3.68e-02 2.86e-01 5.08e-02 3.73e-01 3.67e-01 ph/cm2/s
90%_error_low -3.49e-04 -1.32e-02 -7.83e-02 -2.40e-02 -8.60e-02 -7.98e-02 ph/cm2/s
90%_error_hi 9.01e-03 6.43e-02 6.37e-02 7.45e-02 1.05e-01 1.19e-01 ph/cm2/s
======================================================================
Special notes of this burst