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 14:41:18 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger359530
======================================================================
Trigger: 00359530 Segment: 000
BAT Trigger Time: 271531879.488 [s; MET]
Trigger Stop: 271531883.584 [s; MET]
UTC: 2009-08-09T17:31:14.504600 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 328.645008350626 Dec: -0.0832895616909542 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.62
Image Trigger?: NO
Rate S/N Ratio: 10.6770782520313 [ if not an image trigger ]
Image S/N Ratio: 8.62
Analysis Position: [ source = BAT ]
RA: 328.645008350626 Dec: -0.0832895616909542 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 328.676295114875 Dec: -0.0960883536527028 [deg; J2000]
{ 21h 54m 42.3s , -00d 05' 45.9" }
+/- 2.1456530547026 [arcmin] (estimated 90% radius based on SNR)
+/- 1.0829894810255 [arcmin] (formal 1-sigma fit error)
SNR: 10.2202601934028
Angular difference between the analysis and refined position is 2.028203 arcmin
Partial Coding Fraction: 0.4335938 [ including projection effects ]
Duration
T90: 8.86799997091293 +/- 2.87484886958812
Measured from: -0.143999993801117
to: 8.72399997711182 [s; relative to TRIGTIME]
T50: 3.00799995660782 +/- 1.41738346896597
Measured from: 1.95600003004074
to: 4.96399998664856 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.26399999856949
to: 3.26399999856949 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.711999952793121
to: 9.25600004196167 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.124350 0.229186 0.164849 0.063783
0.027404 0.028801 0.025708 0.023247 [error]
Peak 0.040525 0.040887 0.046027 0.017960
0.009225 0.009043 0.008491 0.007288 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 9.968 -0.712 9.256
T90 8.868 -0.144 8.724
T50 3.008 1.956 4.964
Peak 1.000 2.264 3.264
====== 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 -1.348 -0.255 0.258 - - - 3.75e-03 -5.60e-04 5.58e-04 55.470 57
CPL -1.143 -0.981 1.088 202.490 -202.490 -202.490 4.81e-03 -1.59e-03 1.29e-02 55.320 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 -1.378 -0.361 0.362 - - - 8.88e-03 -1.77e-03 1.76e-03 62.380 57
CPL -1.233 -1.979 1.264 280.419 -280.419 -280.419 1.04e-02 N/A N/A 62.400 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 4.14e-08 8.35e-08 1.31e-07 4.56e-07 3.65e-07 7.12e-07 erg/cm2
90%_error_low -1.04e-08 -1.34e-08 -2.48e-08 -1.61e-07 -6.07e-08 -1.83e-07 erg/cm2
90%_error_hi 1.10e-08 1.32e-08 2.46e-08 2.14e-07 6.16e-08 2.28e-07 erg/cm2
Peak flux PL 3.25e-01 3.52e-01 2.71e-01 3.41e-01 1.08e+00 1.29e+00 ph/cm2/s
90%_error_low -1.12e-01 -7.82e-02 -6.74e-02 -1.50e-01 -2.16e-01 -2.60e-01 ph/cm2/s
90%_error_hi 1.24e-01 7.61e-02 6.58e-02 2.11e-01 2.17e-01 2.65e-01 ph/cm2/s
Fluence CPL 4.03e-08 8.57e-08 1.33e-07 3.21e-07 3.58e-07 5.79e-07 erg/cm2
90%_error_low -1.17e-08 -1.50e-08 -2.56e-08 -2.47e-07 -7.00e-08 -2.58e-07 erg/cm2
90%_error_hi 1.17e-08 8.28e-09 2.65e-08 1.81e-07 6.69e-08 2.00e-07 erg/cm2
Peak flux CPL 3.24e-01 3.53e-01 2.72e-01 3.22e-01 1.07e+00 1.28e+00 ph/cm2/s
90%_error_low -1.39e-01 -7.92e-02 -6.84e-02 -3.22e-01 -2.24e-01 -3.64e-01 ph/cm2/s
90%_error_hi 9.58e-02 8.50e-02 7.56e-02 1.35e-01 2.19e-01 2.70e-01 ph/cm2/s
======================================================================
Special notes of this burst