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: Sun Jan 19 15:28:07 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger356912
======================================================================
Trigger: 00356912 Segment: 000
BAT Trigger Time: 268844867.776 [s; MET]
Trigger Stop: 268844868.8 [s; MET]
UTC: 2009-07-09T15:07:42.879640 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 93.5932107495315 Dec: 64.0853192755238 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.47
Image Trigger?: NO
Rate S/N Ratio: 15.7480157480236 [ if not an image trigger ]
Image S/N Ratio: 7.47
Analysis Position: [ source = BAT ]
RA: 93.5932107495315 Dec: 64.0853192755238 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 93.5056309703031 Dec: 64.0738514737333 [deg; J2000]
{ 06h 14m 01.4s , +64d 04' 25.9" }
+/- 1.63618801406248 [arcmin] (estimated 90% radius based on SNR)
+/- 0.56551943198512 [arcmin] (formal 1-sigma fit error)
SNR: 15.0536692630554
Angular difference between the analysis and refined position is 2.397827 arcmin
Partial Coding Fraction: 0.1582031 [ including projection effects ]
Duration
T90: 26.944000005722 +/- 4.51319844312174
Measured from: -2.94400000572205
to: 24 [s; relative to TRIGTIME]
T50: 9.16800004243851 +/- 5.20364178929304
Measured from: 0.687999963760376
to: 9.85600000619888 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.979999959468842
to: 1.97999995946884 [s; relative to TRIGTIME]
Total Fluence
Measured from: -5.40800005197525
to: 27.7599999904633 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.551719 0.791312 0.757393 0.149682
0.073741 0.078105 0.070879 0.060567 [error]
Peak 0.045350 0.117134 0.093235 0.037331
0.014081 0.016354 0.014492 0.011401 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 33.168 -5.408 27.760
T90 26.944 -2.944 24.000
T50 9.168 0.688 9.856
Peak 1.000 0.980 1.980
====== 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 -1.449 -0.172 0.171 - - - 4.63e-03 -4.74e-04 4.72e-04 45.520 57
CPL -0.729 -0.711 0.847 92.177 -25.456 890.846 1.04e-02 -5.62e-03 1.54e-02 42.540 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 -1.309 -0.253 0.255 - - - 1.86e-02 -3.06e-03 3.06e-03 62.650 57
CPL 0.015 -1.126 1.580 82.052 -21.508 143.787 7.91e-02 -7.91e-02 3.51e-01 58.450 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 1.87e-07 3.55e-07 5.20e-07 1.63e-06 1.47e-06 2.69e-06 erg/cm2
90%_error_low -3.18e-08 -3.83e-08 -6.71e-08 -4.07e-07 -1.64e-07 -4.64e-07 erg/cm2
90%_error_hi 3.33e-08 3.80e-08 6.65e-08 4.87e-07 1.65e-07 5.29e-07 erg/cm2
Peak flux PL 6.37e-01 7.18e-01 5.80e-01 7.79e-01 2.22e+00 2.71e+00 ph/cm2/s
90%_error_low -1.76e-01 -1.35e-01 -1.08e-01 -2.54e-01 -3.78e-01 -4.53e-01 ph/cm2/s
90%_error_hi 1.91e-01 1.33e-01 1.07e-01 3.13e-01 3.79e-01 4.56e-01 ph/cm2/s
Fluence CPL 1.63e-07 3.79e-07 5.50e-07 6.67e-07 1.41e-06 1.76e-06 erg/cm2
90%_error_low -3.97e-08 -4.56e-08 -7.62e-08 -3.58e-07 -1.75e-07 -3.96e-07 erg/cm2
90%_error_hi 4.07e-08 4.71e-08 7.82e-08 9.47e-07 1.76e-07 9.35e-07 erg/cm2
Peak flux CPL 4.78e-01 7.95e-01 6.70e-01 2.80e-01 2.14e+00 2.22e+00 ph/cm2/s
90%_error_low -2.05e-01 -1.63e-01 -1.36e-01 -1.78e-01 -3.87e-01 -4.32e-01 ph/cm2/s
90%_error_hi 2.28e-01 1.69e-01 1.41e-01 3.90e-01 3.87e-01 5.01e-01 ph/cm2/s
======================================================================
Special notes of this burst