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.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Sun May 10 04:06:26 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger440635
======================================================================
Trigger: 00440635 Segment: 000
BAT Trigger Time: 314468880 [s; MET]
Trigger Stop: 314468944 [s; MET]
UTC: 2010-12-19T16:27:53.519740 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 12.2568493213087 Dec: -34.5318517989712 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.63
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.63
Analysis Position: [ source = BAT ]
RA: 12.2568493213087 Dec: -34.5318517989712 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 12.2569 Dec: -34.5319 [deg; J2000]
{ 00h 49m 01.7s , -34d -31' -54.8" }
+/- 2.19419636194 [arcmin] (estimated 90% radius based on SNR)
SNR: 9.90008178779
Angular difference between the analysis and refined position is 0.003826 arcmin
Partial Coding Fraction: 0.07226562 [ including projection effects ]
Duration
T90: 41.8560000061989 +/- 5.83945205338767
Measured from: 16.6800000071526
to: 58.5360000133514 [s; relative to TRIGTIME]
T50: 24.6400000452995 +/- 9.94803782229103
Measured from: 24.2319999933243
to: 48.8720000386238 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 26.8360000252724
to: 27.8360000252724 [s; relative to TRIGTIME]
Total Fluence
Measured from: 12.0080000162125
to: 61.160000026226 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.217397 1.583632 1.144422 -0.215488
0.178188 0.197894 0.194966 0.221744 [error]
Peak 0.013540 0.109930 0.098486 0.009064
0.028143 0.027305 0.030633 0.032301 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 49.152 12.008 61.160
T90 41.856 16.680 58.536
T50 24.640 24.232 48.872
Peak 1.000 26.836 27.836
====== 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 -1.767 -0.262 0.247 - - - 5.70e-03 -9.60e-04 9.35e-04 52.330 57
CPL -0.878 -0.991 1.352 54.767 -15.549 -54.767 1.80e-02 -1.80e-02 8.61e-02 50.270 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 -1.716 -0.403 0.404 - - - 1.25e-02 -4.68e-03 4.68e-03 46.900 57
CPL 2.697 -2.306 -2.697 65.288 -17.566 13.521 1.09e+00 -1.09e+00 5.61e+03 33.470 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 4.60e-07 7.19e-07 8.45e-07 1.92e-06 2.59e-06 3.94e-06 erg/cm2
90%_error_low -9.25e-08 -1.01e-07 -1.89e-07 -7.43e-07 -4.40e-07 -9.63e-07 erg/cm2
90%_error_hi 9.60e-08 1.01e-07 1.92e-07 1.00e-06 4.52e-07 1.17e-06 erg/cm2
Peak flux PL 6.34e-01 5.60e-01 3.40e-01 3.12e-01 1.67e+00 1.85e+00 ph/cm2/s
90%_error_low -3.25e-01 -2.33e-01 -1.29e-01 -1.59e-01 -6.80e-01 -7.06e-01 ph/cm2/s
90%_error_hi 3.73e-01 2.34e-01 1.29e-01 1.88e-01 6.97e-01 7.21e-01 ph/cm2/s
Fluence CPL 4.21e-07 7.98e-07 8.29e-07 5.04e-07 2.37e-06 2.55e-06 erg/cm2
90%_error_low -1.07e-07 -1.37e-07 -2.31e-07 -3.96e-07 -4.70e-07 -6.31e-07 erg/cm2
90%_error_hi 1.08e-07 1.44e-07 2.18e-07 1.70e-06 5.14e-07 1.82e-06 erg/cm2
Peak flux CPL 2.17e-01 8.06e-01 7.95e-01 1.09e-01 1.92e+00 1.93e+00 ph/cm2/s
90%_error_low -2.17e-01 -3.31e-01 -4.06e-01 -1.09e-01 -6.87e-01 -6.93e-01 ph/cm2/s
90%_error_hi 3.34e-01 3.37e-01 3.01e-01 1.32e-01 6.43e-01 6.52e-01 ph/cm2/s
======================================================================
Special notes of this burst