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: Wed Jan 22 18:51:25 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger177533
======================================================================
Trigger: 00177533 Segment: 000
BAT Trigger Time: 159093448.192 [s; MET]
Trigger Stop: 159093464.576 [s; MET]
UTC: 2006-01-16T08:37:27.233480 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 84.6992896947215 Dec: -5.4486871468953 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 6.58
Image Trigger?: NO
Rate S/N Ratio: 10.4403065089106 [ if not an image trigger ]
Image S/N Ratio: 6.58
Analysis Position: [ source = BAT ]
RA: 84.6992896947215 Dec: -5.4486871468953 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 84.701028157119 Dec: -5.44075165544001 [deg; J2000]
{ 05h 38m 48.2s , -05d 26' 26.7" }
+/- 1.71143086121601 [arcmin] (estimated 90% radius based on SNR)
+/- 0.628663727296607 [arcmin] (formal 1-sigma fit error)
SNR: 14.117177230572
Angular difference between the analysis and refined position is 0.487321 arcmin
Partial Coding Fraction: 0.2050781 [ including projection effects ]
Duration
T90: 104.831999987364 +/- 27.2568347520558
Measured from: -29.0480000078678
to: 75.783999979496 [s; relative to TRIGTIME]
T50: 31.055999994278 +/- 6.83722515012333
Measured from: 5.63999998569489
to: 36.6959999799728 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 36.3959999978542
to: 37.3959999978542 [s; relative to TRIGTIME]
Total Fluence
Measured from: -35.7360000014305
to: 78.6319999992847 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.850017 1.214557 1.082156 0.432063
0.118445 0.122497 0.106289 0.089990 [error]
Peak 0.026129 0.060425 0.037927 0.017533
0.012039 0.012471 0.010513 0.008865 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 114.368 -35.736 78.632
T90 104.832 -29.048 75.784
T50 31.056 5.640 36.696
Peak 1.000 36.396 37.396
====== 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 -1.366 -0.171 0.173 - - - 2.15e-03 -2.15e-04 2.15e-04 59.050 57
CPL -0.934 -0.529 0.786 129.601 -53.691 -129.601 3.48e-03 -1.33e-03 4.69e-03 57.860 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 -1.454 -0.408 0.416 - - - 9.51e-03 -2.37e-03 2.37e-03 40.460 57
CPL -1.024 -1.394 2.042 117.025 -117.025 -117.025 1.56e-02 N/A N/A 40.230 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 2.77e-07 5.52e-07 8.57e-07 2.92e-06 2.39e-06 4.61e-06 erg/cm2
90%_error_low -4.99e-08 -6.25e-08 -1.04e-07 -7.04e-07 -2.58e-07 -7.84e-07 erg/cm2
90%_error_hi 5.26e-08 6.18e-08 1.03e-07 8.44e-07 2.60e-07 8.97e-07 erg/cm2
Peak flux PL 3.74e-01 3.87e-01 2.83e-01 3.32e-01 1.17e+00 1.38e+00 ph/cm2/s
90%_error_low -1.55e-01 -1.11e-01 -8.25e-02 -1.60e-01 -3.08e-01 -3.43e-01 ph/cm2/s
90%_error_hi 1.75e-01 1.08e-01 8.07e-02 2.26e-01 3.10e-01 3.44e-01 ph/cm2/s
Fluence CPL 2.55e-07 5.75e-07 8.88e-07 1.62e-06 2.33e-06 3.33e-06 erg/cm2
90%_error_low -6.00e-08 -7.23e-08 -1.16e-07 -9.19e-07 -2.82e-07 -9.52e-07 erg/cm2
90%_error_hi 6.18e-08 7.51e-08 1.19e-07 1.49e-06 2.79e-07 1.61e-06 erg/cm2
Peak flux CPL 3.47e-01 4.06e-01 2.97e-01 2.11e-01 1.16e+00 1.26e+00 ph/cm2/s
90%_error_low -1.78e-01 -1.24e-01 -9.25e-02 -2.11e-01 -3.10e-01 -3.76e-01 ph/cm2/s
90%_error_hi 1.93e-01 1.36e-01 1.00e-01 1.79e-01 3.12e-01 4.27e-01 ph/cm2/s
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