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 18:12:24 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger507901
======================================================================
Trigger: 00507901 Segment: 000
BAT Trigger Time: 343224829.504 [s; MET]
Trigger Stop: 343224830.016 [s; MET]
UTC: 2011-11-17T12:13:41.921600 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 12.70235957439 Dec: 23.0211326425349 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.59
Image Trigger?: NO
Rate S/N Ratio: 28.2665880502051 [ if not an image trigger ]
Image S/N Ratio: 12.59
Analysis Position: [ source = BAT ]
RA: 12.70235957439 Dec: 23.0211326425349 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 12.7059642021869 Dec: 23.0099679896018 [deg; J2000]
{ 00h 50m 49.4s , +23d 00' 35.9" }
+/- 1.77213287702634 [arcmin] (estimated 90% radius based on SNR)
+/- 0.81769122145966 [arcmin] (formal 1-sigma fit error)
SNR: 13.431474450327
Angular difference between the analysis and refined position is 0.698830 arcmin
Partial Coding Fraction: 0.5546875 [ including projection effects ]
Duration
T90: 0.463999927043915 +/- 0.0536656069364681
Measured from: 0.0360000133514404
to: 0.499999940395355 [s; relative to TRIGTIME]
T50: 0.339999914169312 +/- 0.0430812729442087
Measured from: 0.120000004768372
to: 0.459999918937683 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.226000010967255
to: 0.773999989032745 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.0239999890327454
to: 0.519999980926514 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.018852 0.048867 0.070473 0.031176
0.005902 0.007084 0.007501 0.006253 [error]
Peak 0.022688 0.054585 0.073917 0.031384
0.007903 0.009103 0.008905 0.008176 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 0.496 0.024 0.520
T90 0.464 0.036 0.500
T50 0.340 0.120 0.460
Peak 1.000 -0.226 0.774
====== 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 -0.517 -0.221 0.238 - - - 2.20e-02 -3.13e-03 3.05e-03 49.480 57
CPL 0.051 -0.663 1.178 233.628 -233.628 -233.628 3.65e-02 -1.67e-02 5.97e-02 48.410 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 -0.590 -0.266 0.291 - - - 1.17e-02 -1.95e-03 1.89e-03 64.490 57
CPL -0.274 -0.552 1.314 350.399 -350.399 -350.399 1.55e-02 -1.55e-02 3.03e-02 64.220 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 5.60e-09 1.89e-08 5.29e-08 4.45e-07 1.45e-07 5.23e-07 erg/cm2
90%_error_low -1.59e-09 -3.46e-09 -6.57e-09 -1.19e-07 -1.88e-08 -1.21e-07 erg/cm2
90%_error_hi 1.79e-09 3.41e-09 6.55e-09 1.50e-07 1.89e-08 1.51e-07 erg/cm2
Peak flux PL 2.02e-01 3.52e-01 4.67e-01 1.27e+00 1.36e+00 2.29e+00 ph/cm2/s
90%_error_low -6.86e-02 -7.88e-02 -6.72e-02 -3.70e-01 -2.04e-01 -3.92e-01 ph/cm2/s
90%_error_hi 8.00e-02 7.81e-02 6.70e-02 4.77e-01 2.05e-01 4.45e-01 ph/cm2/s
Fluence CPL 4.64e-09 1.91e-08 5.66e-08 2.39e-07 1.43e-07 3.19e-07 erg/cm2
90%_error_low -2.05e-09 -3.77e-09 -8.77e-09 -1.42e-07 -1.99e-08 -1.41e-07 erg/cm2
90%_error_hi 2.34e-09 3.72e-09 9.05e-09 2.34e-07 1.95e-08 2.62e-07 erg/cm2
Peak flux CPL 1.81e-01 3.52e-01 4.86e-01 9.51e-01 1.35e+00 1.99e+00 ph/cm2/s
90%_error_low -8.99e-02 -8.40e-02 -8.11e-02 N/A -2.05e-01 -6.23e-01 ph/cm2/s
90%_error_hi 9.58e-02 8.15e-02 9.12e-02 N/A 2.08e-01 4.87e-01 ph/cm2/s
======================================================================