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 17:05:31 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger509717
======================================================================
Trigger: 00509717 Segment: 000
BAT Trigger Time: 345650656 [s; MET]
Trigger Stop: 345650976 [s; MET]
UTC: 2011-12-15T14:04:08.321280 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 349.548231274995 Dec: 32.475567914634 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: NO [ by BAT flight software ]
Image S/N Ratio: 8.16
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 8.16
Analysis Position: [ source = BAT ]
RA: 349.548231274995 Dec: 32.475567914634 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 349.548 Dec: 32.4756 [deg; J2000]
{ 23h 18m 11.5s , +32d 28' 32.2" }
+/- 2.45235028722 [arcmin] (estimated 90% radius based on SNR)
SNR: 8.44556606931
Angular difference between the analysis and refined position is 0.011864 arcmin
Partial Coding Fraction: 0.4648438 [ including projection effects ]
Duration
T90: 373.819999992847 +/- 93.2202465729463
Measured from: 7.60399997234344
to: 381.423999965191 [s; relative to TRIGTIME]
T50: 154.979999959469 +/- 110.461724542731
Measured from: 129.431999981403
to: 284.411999940872 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 216.347999989986
to: 217.347999989986 [s; relative to TRIGTIME]
Total Fluence
Measured from: 1.61599999666214
to: 411.019999980927 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.302848 1.429054 1.185111 0.260853
0.169394 0.175700 0.159015 0.146620 [error]
Peak 0.016779 0.017615 0.024819 0.014824
0.008662 0.008769 0.007763 0.007037 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 409.404 1.616 411.020
T90 373.820 7.604 381.424
T50 154.980 129.432 284.412
Peak 1.000 216.348 217.348
====== 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 -1.605 -0.209 0.206 - - - 7.08e-04 -9.14e-05 9.05e-05 64.710 57
CPL -1.155 -0.432 0.852 87.871 -33.995 -87.871 1.24e-03 -5.95e-04 2.26e-03 63.570 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 -1.385 -0.781 0.806 - - - 4.10e-03 -1.77e-03 1.77e-03 48.420 57
CPL -0.757 -6.953 0.757 109.286 -109.286 -109.286 8.03e-03 -8.03e-03 8.23e+00 48.250 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 4.09e-07 7.04e-07 9.26e-07 2.48e-06 2.71e-06 4.52e-06 erg/cm2
90%_error_low -7.78e-08 -8.77e-08 -1.55e-07 -7.62e-07 -3.72e-07 -9.18e-07 erg/cm2
90%_error_hi 8.11e-08 8.74e-08 1.55e-07 9.63e-07 3.77e-07 1.08e-06 erg/cm2
Peak flux PL 1.51e-01 1.63e-01 1.25e-01 1.56e-01 4.98e-01 5.95e-01 ph/cm2/s
90%_error_low -1.03e-01 -1.63e-01 -1.25e-01 -1.56e-01 -2.24e-01 -2.57e-01 ph/cm2/s
90%_error_hi 1.34e-01 7.96e-02 6.13e-02 2.24e-01 2.28e-01 2.60e-01 ph/cm2/s
Fluence CPL 3.87e-07 7.44e-07 9.41e-07 1.22e-06 2.61e-06 3.29e-06 erg/cm2
90%_error_low -8.67e-08 -1.08e-07 -1.69e-07 -8.08e-07 -4.10e-07 -9.22e-07 erg/cm2
90%_error_hi 8.84e-08 1.13e-07 1.69e-07 1.90e-06 4.11e-07 1.63e-06 erg/cm2
Peak flux CPL 1.30e-01 1.70e-01 1.34e-01 8.97e-02 4.84e-01 5.24e-01 ph/cm2/s
90%_error_low -1.30e-01 -1.70e-01 -7.08e-02 -8.97e-02 -2.62e-01 -3.00e-01 ph/cm2/s
90%_error_hi 1.50e-01 9.36e-02 8.34e-02 1.21e-01 2.35e-01 3.12e-01 ph/cm2/s
======================================================================
Special notes of this burst