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: Mon Mar 3 23:46:38 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger584136
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Trigger: 00584136 Segment: 000
BAT Trigger Time: 411701534.272 [s; MET]
Trigger Stop: 411701538.368 [s; MET]
UTC: 2014-01-18T01:32:02.739660 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 331.002867245394 Dec: -17.9476181313747 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.36
Image Trigger?: NO
Rate S/N Ratio: 13.2664991614216 [ if not an image trigger ]
Image S/N Ratio: 10.36
Analysis Position: [ source = BAT ]
RA: 331.002867245394 Dec: -17.9476181313747 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 330.994875458674 Dec: -17.9366285069206 [deg; J2000]
{ 22h 03m 58.8s , -17d 56' 11.9" }
+/- 1.48475331209473 [arcmin] (estimated 90% radius based on SNR)
+/- 0.71695158073747 [arcmin] (formal 1-sigma fit error)
SNR: 17.2940992678807
Angular difference between the analysis and refined position is 0.801802 arcmin
Partial Coding Fraction: 0.4101562 [ including projection effects ]
Duration
T90: 84.0919999480247 +/- 9.74659838496785
Measured from: -61.0160000324249
to: 23.0759999155998 [s; relative to TRIGTIME]
T50: 23.2119999527931 +/- 16.2059733454663
Measured from: -15.3040000200272
to: 7.90799993276596 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.98399996757507
to: 3.98399996757507 [s; relative to TRIGTIME]
Total Fluence
Measured from: -73.6080000400543
to: 29.3679999709129 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.405480 1.749499 0.968867 0.245281
0.099448 0.102714 0.090509 0.083383 [error]
Peak 0.072627 0.082345 0.054684 0.015071
0.010808 0.011128 0.009995 0.008537 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 102.976 -73.608 29.368
T90 84.092 -61.016 23.076
T50 23.212 -15.304 7.908
Peak 1.000 2.984 3.984
====== 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 -1.872 -0.134 0.130 - - - 2.71e-03 -2.22e-04 2.19e-04 56.990 57
CPL -1.357 -0.546 0.634 55.596 -13.083 -55.596 5.20e-03 -2.54e-03 6.33e-03 54.440 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 -1.717 -0.267 0.255 - - - 1.45e-02 -2.36e-03 2.30e-03 54.140 57
CPL -1.657 -1.265 0.853 275.255 N/A N/A 1.56e-02 N/A N/A 54.170 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 5.06e-07 7.41e-07 8.10e-07 1.66e-06 2.56e-06 3.71e-06 erg/cm2
90%_error_low -5.47e-08 -5.24e-08 -9.01e-08 -3.49e-07 -2.08e-07 -4.42e-07 erg/cm2
90%_error_hi 5.62e-08 5.24e-08 9.06e-08 4.07e-07 2.10e-07 4.86e-07 erg/cm2
Peak flux PL 7.35e-01 6.50e-01 3.96e-01 3.65e-01 1.94e+00 2.15e+00 ph/cm2/s
90%_error_low -1.65e-01 -9.64e-02 -8.33e-02 -1.32e-01 -2.84e-01 -3.15e-01 ph/cm2/s
90%_error_hi 1.73e-01 9.60e-02 8.23e-02 1.70e-01 2.85e-01 3.16e-01 ph/cm2/s
Fluence CPL 4.75e-07 7.84e-07 8.07e-07 7.28e-07 2.44e-06 2.79e-06 erg/cm2
90%_error_low -6.41e-08 -6.92e-08 -9.96e-08 -4.02e-07 -2.43e-07 -4.79e-07 erg/cm2
90%_error_hi 6.46e-08 7.13e-08 9.76e-08 1.02e-06 2.47e-07 1.03e-06 erg/cm2
Peak flux CPL 7.38e-01 6.47e-01 3.95e-01 3.79e-01 1.94e+00 2.17e+00 ph/cm2/s
90%_error_low -1.80e-01 -9.46e-02 -8.44e-02 N/A -2.94e-01 -3.41e-01 ph/cm2/s
90%_error_hi 1.71e-01 1.20e-01 9.20e-02 N/A 2.86e-01 2.88e-01 ph/cm2/s
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