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: Sat Oct 4 20:53:39 EDT 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger610953
======================================================================
Trigger: 00610953 Segment: 000
BAT Trigger Time: 430901666.496 [s; MET]
Trigger Stop: 430901667.52 [s; MET]
UTC: 2014-08-28T06:54:14.043420 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 142.011386710826 Dec: 14.5900409767357 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.41
Image Trigger?: NO
Rate S/N Ratio: 15.8429795177549 [ if not an image trigger ]
Image S/N Ratio: 7.41
Analysis Position: [ source = BAT ]
RA: 142.011386710826 Dec: 14.5900409767357 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 142.031859306659 Dec: 14.5707244181277 [deg; J2000]
{ 09h 28m 07.6s , +14d 34' 14.6" }
+/- 1.30925079351341 [arcmin] (estimated 90% radius based on SNR)
+/- 0.456747113227155 [arcmin] (formal 1-sigma fit error)
SNR: 20.6986912271668
Angular difference between the analysis and refined position is 1.660272 arcmin
Partial Coding Fraction: 0.2617188 [ including projection effects ]
Duration
T90: 19.1480000019073 +/- 4.15046982043008
Measured from: -4.54000002145767
to: 14.6079999804497 [s; relative to TRIGTIME]
T50: 6.97199994325638 +/- 1.23631711278944
Measured from: -0.903999984264374
to: 6.067999958992 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.495999991893768
to: 1.49599999189377 [s; relative to TRIGTIME]
Total Fluence
Measured from: -6.70800000429153
to: 18.3159999847412 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.671385 0.942972 0.617877 0.145847
0.054356 0.057814 0.052082 0.046585 [error]
Peak 0.067157 0.104422 0.079420 -0.001374
0.011286 0.012532 0.012194 0.009781 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 25.024 -6.708 18.316
T90 19.148 -4.540 14.608
T50 6.972 -0.904 6.068
Peak 1.000 0.496 1.496
====== 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: CPL)
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 -1.729 -0.127 0.124 - - - 6.38e-03 -5.02e-04 4.98e-04 65.250 57
CPL -0.795 -0.570 0.654 59.789 -9.443 24.332 2.01e-02 -9.99e-03 2.42e-02 56.840 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 -1.715 -0.240 0.228 - - - 1.67e-02 -2.67e-03 2.62e-03 56.090 57
CPL -0.801 -0.864 1.076 60.211 -16.117 154.545 5.27e-02 -5.27e-02 1.52e-01 52.730 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 2.53e-07 4.04e-07 4.88e-07 1.15e-06 1.48e-06 2.30e-06 erg/cm2
90%_error_low -2.79e-08 -2.93e-08 -5.09e-08 -2.29e-07 -1.20e-07 -2.80e-07 erg/cm2
90%_error_hi 2.87e-08 2.93e-08 5.10e-08 2.63e-07 1.21e-07 3.06e-07 erg/cm2
Peak flux PL 8.47e-01 7.50e-01 4.57e-01 4.22e-01 2.23e+00 2.48e+00 ph/cm2/s
90%_error_low -1.71e-01 -1.06e-01 -9.24e-02 -1.44e-01 -3.15e-01 -3.55e-01 ph/cm2/s
90%_error_hi 1.78e-01 1.06e-01 9.26e-02 1.81e-01 3.15e-01 3.58e-01 ph/cm2/s
Fluence CPL 2.23e-07 4.47e-07 4.96e-07 3.29e-07 1.37e-06 1.50e-06 erg/cm2
90%_error_low -3.36e-08 -3.88e-08 -5.85e-08 -1.60e-07 -1.32e-07 -2.08e-07 erg/cm2
90%_error_hi 3.39e-08 3.98e-08 5.79e-08 3.35e-07 1.36e-07 3.48e-07 erg/cm2
Peak flux CPL 7.55e-01 8.36e-01 4.79e-01 1.58e-01 2.18e+00 2.23e+00 ph/cm2/s
90%_error_low -1.95e-01 -1.33e-01 -1.08e-01 -1.58e-01 -3.17e-01 -3.39e-01 ph/cm2/s
90%_error_hi 1.99e-01 1.40e-01 1.08e-01 2.49e-01 3.18e-01 3.69e-01 ph/cm2/s
======================================================================
Special notes of this burst