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 23:16:39 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger323542
======================================================================
Trigger: 00323542 Segment: 000
BAT Trigger Time: 242097146.368 [s; MET]
Trigger Stop: 242097147.392 [s; MET]
UTC: 2008-09-03T01:12:23.300160 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 86.796749000734 Dec: 51.3264586033656 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.95
Image Trigger?: NO
Rate S/N Ratio: 14.2126704035519 [ if not an image trigger ]
Image S/N Ratio: 8.95
Analysis Position: [ source = BAT ]
RA: 86.796749000734 Dec: 51.3264586033656 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 86.7882630712467 Dec: 51.2581266424858 [deg; J2000]
{ 05h 47m 09.2s , +51d 15' 29.3" }
+/- 0.9181082291117 [arcmin] (estimated 90% radius based on SNR)
+/- 0.23508820080697 [arcmin] (formal 1-sigma fit error)
SNR: 34.3658525819496
Angular difference between the analysis and refined position is 4.112262 arcmin
Partial Coding Fraction: 1 [ including projection effects ]
Duration
T90: 66.3400000035763 +/- 10.4208652304861
Measured from: -7.74399998784065
to: 58.5960000157356 [s; relative to TRIGTIME]
T50: 23.5320000052452 +/- 3.19928051920323
Measured from: -0.259999990463257
to: 23.272000014782 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -2.7960000038147
to: -1.7960000038147 [s; relative to TRIGTIME]
Total Fluence
Measured from: -10.5439999997616
to: 68.0079999864101 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.864568 1.128191 0.654836 0.128058
0.043561 0.046027 0.042238 0.042137 [error]
Peak 0.021214 0.041373 0.036303 0.009894
0.005023 0.005400 0.005145 0.004775 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 78.552 -10.544 68.008
T90 66.340 -7.744 58.596
T50 23.532 -0.260 23.272
Peak 1.000 -2.796 -1.796
====== 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 -1.663 -0.098 0.097 - - - 2.17e-03 -1.21e-04 1.21e-04 53.290 57
CPL -0.933 -0.447 0.500 67.964 -11.449 35.009 5.24e-03 -2.15e-03 4.26e-03 45.020 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 -1.156 -0.246 0.249 - - - 6.73e-03 -1.02e-03 1.01e-03 65.450 57
CPL 0.787 -1.466 2.267 71.497 -14.853 67.378 6.21e-02 -6.21e-02 6.29e-01 59.820 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 4.21e-07 5.32e-07 1.34e-06 1.58e-06 2.55e-06 erg/cm2
90%_error_low -2.15e-08 -2.19e-08 -4.09e-08 -2.07e-07 -9.46e-08 -2.44e-07 erg/cm2
90%_error_hi 2.21e-08 2.19e-08 4.11e-08 2.32e-07 9.55e-08 2.64e-07 erg/cm2
Peak flux PL 1.99e-01 2.46e-01 2.21e-01 3.43e-01 7.85e-01 1.01e+00 ph/cm2/s
90%_error_low -5.11e-02 -4.16e-02 -3.95e-02 -1.11e-01 -1.19e-01 -1.65e-01 ph/cm2/s
90%_error_hi 5.52e-02 4.11e-02 3.92e-02 1.40e-01 1.19e-01 1.72e-01 ph/cm2/s
Fluence CPL 2.54e-07 3.44e-07 3.63e-07 8.47e-07 1.19e-06 1.80e-06 erg/cm2
90%_error_low -3.84e-08 -4.77e-08 -3.83e-08 -5.83e-07 -8.54e-08 -1.84e-07 erg/cm2
90%_error_hi 3.33e-08 3.54e-08 3.50e-08 -3.77e-09 6.18e-08 1.56e-07 erg/cm2
Peak flux CPL 1.37e-01 2.85e-01 2.45e-01 6.66e-02 7.22e-01 7.35e-01 ph/cm2/s
90%_error_low -6.81e-02 -5.32e-02 -4.96e-02 -4.74e-02 -1.31e-01 -1.41e-01 ph/cm2/s
90%_error_hi 7.12e-02 5.53e-02 5.03e-02 1.39e-01 1.29e-01 1.73e-01 ph/cm2/s
======================================================================
Special notes of this burst