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 Jan 13 01:01:29 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger533268
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Trigger: 00533268 Segment: 000
BAT Trigger Time: 369040123.392 [s; MET]
Trigger Stop: 369040124.416 [s; MET]
UTC: 2012-09-11T07:08:33.754960 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 357.960763192049 Dec: 63.0987077305092 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 11.79
Image Trigger?: NO
Rate S/N Ratio: 20.7846096908265 [ if not an image trigger ]
Image S/N Ratio: 11.79
Analysis Position: [ source = BAT ]
RA: 357.960763192049 Dec: 63.0987077305092 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 357.966505198214 Dec: 63.0901179230837 [deg; J2000]
{ 23h 51m 52.0s , +63d 05' 24.4" }
+/- 1.5861721238515 [arcmin] (estimated 90% radius based on SNR)
+/- 0.894022123582005 [arcmin] (formal 1-sigma fit error)
SNR: 15.7363369772024
Angular difference between the analysis and refined position is 0.538452 arcmin
Partial Coding Fraction: 0.2363281 [ including projection effects ]
Duration
T90: 21.4679999351501 +/- 3.84755763774157
Measured from: -1.12800002098083
to: 20.3399999141693 [s; relative to TRIGTIME]
T50: 5.77999991178513 +/- 7.84400228456224
Measured from: 0.495999991893768
to: 6.27599990367889 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.300000011920929
to: 0.699999988079071 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.6240000128746
to: 24.0999999642372 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.536009 0.793181 0.370379 0.205111
0.056045 0.057683 0.050343 0.042397 [error]
Peak 0.079126 0.160280 0.076247 0.022147
0.012863 0.014351 0.011685 0.008417 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 25.724 -1.624 24.100
T90 21.468 -1.128 20.340
T50 5.780 0.496 6.276
Peak 1.000 -0.300 0.700
====== 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 -1.717 -0.163 0.159 - - - 4.47e-03 -4.57e-04 4.52e-04 57.870 57
CPL -1.070 -0.701 0.903 63.491 -16.536 -63.491 1.03e-02 -5.96e-03 2.28e-02 55.550 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: N/A)
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 -1.628 -0.183 0.180 - - - 2.07e-02 -2.58e-03 2.56e-03 75.460 57
CPL 0.244 -1.130 1.565 53.343 -8.260 18.356 2.26e-01 -2.26e-01 1.44e+00 66.140 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 1.80e-07 2.90e-07 3.52e-07 8.42e-07 1.06e-06 1.66e-06 erg/cm2
90%_error_low -2.55e-08 -2.71e-08 -4.76e-08 -2.11e-07 -1.13e-07 -2.61e-07 erg/cm2
90%_error_hi 2.62e-08 2.71e-08 4.78e-08 2.54e-07 1.14e-07 2.93e-07 erg/cm2
Peak flux PL 9.66e-01 9.01e-01 5.83e-01 5.82e-01 2.69e+00 3.03e+00 ph/cm2/s
90%_error_low -1.74e-01 -1.12e-01 -8.77e-02 -1.51e-01 -3.27e-01 -3.63e-01 ph/cm2/s
90%_error_hi 1.81e-01 1.11e-01 8.72e-02 1.78e-01 3.28e-01 3.63e-01 ph/cm2/s
Fluence CPL 1.68e-07 3.14e-07 3.52e-07 3.00e-07 9.97e-07 1.13e-06 erg/cm2
90%_error_low -2.91e-08 -3.80e-08 -5.65e-08 -2.01e-07 -1.36e-07 -2.44e-07 erg/cm2
90%_error_hi 2.92e-08 4.01e-08 5.30e-08 6.08e-07 1.36e-07 6.28e-07 erg/cm2
Peak flux CPL 7.80e-01 1.12e+00 6.16e-01 9.91e-02 2.60e+00 2.61e+00 ph/cm2/s
90%_error_low -2.12e-01 -1.71e-01 -1.25e-01 -7.16e-02 -3.38e-01 -3.46e-01 ph/cm2/s
90%_error_hi 2.14e-01 1.80e-01 1.13e-01 1.67e-01 3.36e-01 3.52e-01 ph/cm2/s
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