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 01:56:06 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger530267
======================================================================
Trigger: 00530267 Segment: 000
BAT Trigger Time: 366016187.264 [s; MET]
Trigger Stop: 366016188.288 [s; MET]
UTC: 2012-08-07T07:09:37.753700 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 241.210902101014 Dec: -47.4899662888597 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.03
Image Trigger?: NO
Rate S/N Ratio: 10.3923048454133 [ if not an image trigger ]
Image S/N Ratio: 7.03
Analysis Position: [ source = BAT ]
RA: 241.210902101014 Dec: -47.4899662888597 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 241.290202566376 Dec: -47.4601856405004 [deg; J2000]
{ 16h 05m 09.6s , -47d 27' 36.7" }
+/- 2.02585498317881 [arcmin] (estimated 90% radius based on SNR)
+/- 1.06402588874266 [arcmin] (formal 1-sigma fit error)
SNR: 11.0944670755058
Angular difference between the analysis and refined position is 3.679058 arcmin
Partial Coding Fraction: 0.890625 [ including projection effects ]
Duration
T90: 19.8839999437332 +/- 5.7625414379985
Measured from: 0.791999995708466
to: 20.6759999394417 [s; relative to TRIGTIME]
T50: 7.63199990987778 +/- 5.38687739219413
Measured from: 1.45200002193451
to: 9.08399993181229 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.65200001001358
to: 1.65200001001358 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.244000017642975
to: 24.1560000181198 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.219643 0.178756 0.134917 0.034403
0.031961 0.026887 0.022506 0.019498 [error]
Peak 0.038195 0.044978 0.019678 0.000510
0.006869 0.005872 0.004812 0.004018 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 24.400 -0.244 24.156
T90 19.884 0.792 20.676
T50 7.632 1.452 9.084
Peak 1.000 0.652 1.652
====== 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 -1.825 -0.312 0.299 - - - 1.30e-03 -2.31e-04 2.23e-04 44.370 57
CPL -1.837 -0.303 0.744 9999.350 -9999.340 -9999.350 1.29e-03 -2.21e-04 1.85e-03 44.380 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 -2.027 -0.312 0.289 - - - 5.65e-03 -1.18e-03 1.15e-03 65.750 57
CPL -0.141 -1.474 2.237 40.165 -13.743 14.482 7.00e-02 -7.00e-02 1.47e+00 60.470 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 5.51e-08 8.31e-08 9.38e-08 2.01e-07 2.92e-07 4.33e-07 erg/cm2
90%_error_low -1.33e-08 -1.26e-08 -2.28e-08 -8.64e-08 -5.11e-08 -1.10e-07 erg/cm2
90%_error_hi 1.41e-08 1.25e-08 2.30e-08 1.24e-07 5.24e-08 1.40e-07 erg/cm2
Peak flux PL 3.87e-01 2.85e-01 1.40e-01 9.77e-02 8.58e-01 9.10e-01 ph/cm2/s
90%_error_low -8.99e-02 -4.81e-02 -3.69e-02 -4.15e-02 -1.46e-01 -1.53e-01 ph/cm2/s
90%_error_hi 9.47e-02 4.81e-02 3.80e-02 5.72e-02 1.46e-01 1.54e-01 ph/cm2/s
Fluence CPL 5.35e-08 7.13e-08 7.01e-08 2.03e-07 2.96e-07 4.28e-07 erg/cm2
90%_error_low -1.54e-08 -1.97e-08 -3.49e-08 -8.47e-08 -6.39e-08 -1.53e-07 erg/cm2
90%_error_hi 1.54e-08 1.95e-08 2.26e-08 1.23e-07 5.82e-08 1.09e-07 erg/cm2
Peak flux CPL 3.20e-01 3.44e-01 1.30e-01 1.30e-02 8.05e-01 8.06e-01 ph/cm2/s
90%_error_low -1.05e-01 -6.59e-02 -5.24e-02 -1.30e-02 -1.48e-01 -1.49e-01 ph/cm2/s
90%_error_hi 1.09e-01 7.02e-02 4.83e-02 4.79e-02 1.50e-01 1.53e-01 ph/cm2/s
======================================================================
Special notes of this burst