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 Jan 11 23:45:47 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger566561
======================================================================
Trigger: 00566561 Segment: 000
BAT Trigger Time: 398321629.504 [s; MET]
Trigger Stop: 398321630.528 [s; MET]
UTC: 2013-08-16T04:53:38.587620 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 170.092535443697 Dec: -57.5581832376266 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.39
Image Trigger?: NO
Rate S/N Ratio: 16.062378404209 [ if not an image trigger ]
Image S/N Ratio: 10.39
Analysis Position: [ source = BAT ]
RA: 170.092535443697 Dec: -57.5581832376266 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 170.047101745408 Dec: -57.5377683993217 [deg; J2000]
{ 11h 20m 11.3s , -57d 32' 16.0" }
+/- 1.59443637830679 [arcmin] (estimated 90% radius based on SNR)
+/- 0.555378595485049 [arcmin] (formal 1-sigma fit error)
SNR: 15.619946088531
Angular difference between the analysis and refined position is 1.907888 arcmin
Partial Coding Fraction: 0.984375 [ including projection effects ]
Duration
T90: 8.67599999904633 +/- 2.34176005165807
Measured from: -3.16400003433228
to: 5.51199996471405 [s; relative to TRIGTIME]
T50: 2.60399997234344 +/- 0.66971335751184
Measured from: -1.39200001955032
to: 1.21199995279312 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.167999982833862
to: 1.16799998283386 [s; relative to TRIGTIME]
Total Fluence
Measured from: -3.73600000143051
to: 7.66799998283386 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.178608 0.236588 0.105671 0.008653
0.017589 0.018012 0.015598 0.013595 [error]
Peak 0.041756 0.056238 0.031595 0.001000
0.005556 0.005804 0.004957 0.004268 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 11.404 -3.736 7.668
T90 8.676 -3.164 5.512
T50 2.604 -1.392 1.212
Peak 1.000 0.168 1.168
====== 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 -1.827 -0.175 0.168 - - - 2.73e-03 -3.16e-04 3.12e-04 66.250 57
CPL -0.339 -0.876 1.101 46.220 -6.874 12.820 1.97e-02 -1.97e-02 6.74e-02 56.660 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 -1.667 -0.207 0.202 - - - 7.66e-03 -1.09e-03 1.08e-03 51.140 57
CPL 0.225 -1.060 1.371 48.874 -7.912 14.845 9.52e-02 -9.52e-02 5.18e-01 40.210 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 5.42e-08 8.16e-08 9.20e-08 1.97e-07 2.87e-07 4.25e-07 erg/cm2
90%_error_low -7.38e-09 -7.88e-09 -1.42e-08 -5.44e-08 -3.32e-08 -7.09e-08 erg/cm2
90%_error_hi 7.56e-09 7.88e-09 1.44e-08 6.68e-08 3.39e-08 8.06e-08 erg/cm2
Peak flux PL 3.70e-01 3.38e-01 2.13e-01 2.05e-01 1.01e+00 1.13e+00 ph/cm2/s
90%_error_low -6.68e-02 -4.32e-02 -3.81e-02 -6.21e-02 -1.28e-01 -1.48e-01 ph/cm2/s
90%_error_hi 6.91e-02 4.32e-02 3.85e-02 7.70e-02 1.28e-01 1.49e-01 ph/cm2/s
Fluence CPL 4.75e-08 9.62e-08 8.44e-08 2.55e-08 2.48e-07 2.53e-07 erg/cm2
90%_error_low -8.56e-09 -1.14e-08 -1.96e-08 N/A -3.43e-08 -3.85e-08 erg/cm2
90%_error_hi 8.61e-09 1.19e-08 1.82e-08 N/A 3.79e-08 5.90e-08 erg/cm2
Peak flux CPL 3.12e-01 4.19e-01 2.05e-01 2.69e-02 9.60e-01 9.63e-01 ph/cm2/s
90%_error_low -7.64e-02 -6.21e-02 -5.39e-02 -2.69e-02 -1.28e-01 -1.29e-01 ph/cm2/s
90%_error_hi 7.80e-02 6.51e-02 4.97e-02 5.10e-02 1.29e-01 1.33e-01 ph/cm2/s
======================================================================
Special notes of this burst