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: Tue Jan 14 00:38:59 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger443861
======================================================================
Trigger: 00443861 Segment: 000
BAT Trigger Time: 317871879.616 [s; MET]
Trigger Stop: 317871887.808 [s; MET]
UTC: 2011-01-28T01:44:33.009360 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 193.874023479601 Dec: 28.0796152509682 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.29
Image Trigger?: NO
Rate S/N Ratio: 10.0498756211209 [ if not an image trigger ]
Image S/N Ratio: 8.29
Analysis Position: [ source = BAT ]
RA: 193.874023479601 Dec: 28.0796152509682 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 193.87576961866 Dec: 28.0983042270185 [deg; J2000]
{ 12h 55m 30.2s , +28d 05' 53.9" }
+/- 1.83477379013706 [arcmin] (estimated 90% radius based on SNR)
+/- 0.84742287166061 [arcmin] (formal 1-sigma fit error)
SNR: 12.7812082781226
Angular difference between the analysis and refined position is 1.125141 arcmin
Partial Coding Fraction: 0.375 [ including projection effects ]
Duration
T90: 14.1519999504089 +/- 2.48970440314957
Measured from: -1.48000001907349
to: 12.6719999313354 [s; relative to TRIGTIME]
T50: 7.0359999537468 +/- 2.07859953941348
Measured from: 1.37199997901917
to: 8.40799993276596 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 3.57599997520447
to: 4.57599997520447 [s; relative to TRIGTIME]
Total Fluence
Measured from: -2.53600001335144
to: 14.0199999809265 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.116698 0.278400 0.252748 0.150812
0.034952 0.036506 0.033874 0.030965 [error]
Peak 0.014075 0.033157 0.038106 0.009884
0.008752 0.009213 0.008625 0.007468 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 16.556 -2.536 14.020
T90 14.152 -1.480 12.672
T50 7.036 1.372 8.408
Peak 1.000 3.576 4.576
====== 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 -1.060 -0.240 0.253 - - - 3.30e-03 -4.62e-04 4.57e-04 50.640 57
CPL -1.010 -0.287 1.018 998.523 -998.523 -998.523 3.50e-03 -3.50e-03 -2.67e-03 50.640 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 -1.239 -0.472 0.489 - - - 6.41e-03 -1.87e-03 1.86e-03 56.600 57
CPL -0.059 -1.523 2.909 92.235 N/A N/A 2.20e-02 N/A N/A 55.370 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 4.62e-08 1.11e-07 2.14e-07 1.00e-06 5.78e-07 1.37e-06 erg/cm2
90%_error_low -1.29e-08 -1.97e-08 -3.15e-08 -3.04e-07 -8.18e-08 -3.21e-07 erg/cm2
90%_error_hi 1.43e-08 1.92e-08 3.11e-08 3.92e-07 8.22e-08 3.97e-07 erg/cm2
Peak flux PL 2.06e-01 2.42e-01 2.05e-01 2.94e-01 7.57e-01 9.45e-01 ph/cm2/s
90%_error_low -1.00e-01 -8.35e-02 -6.68e-02 -1.56e-01 -2.28e-01 -2.79e-01 ph/cm2/s
90%_error_hi 1.20e-01 8.17e-02 6.56e-02 2.35e-01 2.31e-01 2.85e-01 ph/cm2/s
Fluence CPL 4.59e-08 1.12e-07 2.15e-07 1.01e-06 5.76e-07 1.30e-06 erg/cm2
90%_error_low -1.61e-08 -1.95e-08 -3.26e-08 -7.20e-07 -8.82e-08 -6.26e-07 erg/cm2
90%_error_hi 1.17e-08 2.07e-08 3.78e-08 1.96e-07 8.34e-08 4.48e-07 erg/cm2
Peak flux CPL 1.53e-01 2.58e-01 2.33e-01 1.19e-01 7.23e-01 7.63e-01 ph/cm2/s
90%_error_low -1.15e-01 -9.85e-02 -8.11e-02 -1.19e-01 -2.33e-01 -2.61e-01 ph/cm2/s
90%_error_hi 1.42e-01 9.79e-02 8.78e-02 2.62e-01 2.36e-01 3.60e-01 ph/cm2/s
======================================================================
Special notes of this burst