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 Jan 19 21:00:27 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger333427
======================================================================
Trigger: 00333427 Segment: 000
BAT Trigger Time: 247340682.752 [s; MET]
Trigger Stop: 247340684.8 [s; MET]
UTC: 2008-11-02T17:44:39.527920 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 331.182421230354 Dec: 52.99333778508 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.52
Image Trigger?: NO
Rate S/N Ratio: 14 [ if not an image trigger ]
Image S/N Ratio: 8.52
Analysis Position: [ source = BAT ]
RA: 331.182421230354 Dec: 52.99333778508 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 331.180275443501 Dec: 52.9922552262831 [deg; J2000]
{ 22h 04m 43.3s , +52d 59' 32.1" }
+/- 1.14347271049501 [arcmin] (estimated 90% radius based on SNR)
+/- 0.419501003585147 [arcmin] (formal 1-sigma fit error)
SNR: 25.1153167268121
Angular difference between the analysis and refined position is 0.101116 arcmin
Partial Coding Fraction: 0.3632812 [ including projection effects ]
Duration
T90: 50.3199999928474 +/- 12.6093471912768
Measured from: -17.3400000035763
to: 32.9799999892712 [s; relative to TRIGTIME]
T50: 16.7520000040531 +/- 4.93076547613347
Measured from: -5.0160000026226
to: 11.7360000014305 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.0640000104904175
to: 1.06400001049042 [s; relative to TRIGTIME]
Total Fluence
Measured from: -20.0760000050068
to: 45.8120000064373 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.096401 1.388040 0.895936 0.293457
0.073006 0.078627 0.074478 0.077443 [error]
Peak 0.035907 0.048488 0.073268 0.025678
0.009542 0.010918 0.010328 0.009842 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 65.888 -20.076 45.812
T90 50.320 -17.340 32.980
T50 16.752 -5.016 11.736
Peak 1.000 0.064 1.064
====== 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 -1.662 -0.125 0.123 - - - 3.71e-03 -2.67e-04 2.64e-04 32.690 57
CPL -1.475 -0.295 0.524 129.694 -65.406 -129.694 4.67e-03 -1.32e-03 4.14e-03 32.250 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 -1.038 -0.295 0.307 - - - 1.29e-02 -2.22e-03 2.21e-03 59.030 57
CPL -0.656 -0.643 1.661 205.140 -205.140 -205.140 1.90e-02 -8.06e-03 7.13e-02 58.770 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 3.63e-07 6.05e-07 7.65e-07 1.93e-06 2.27e-06 3.66e-06 erg/cm2
90%_error_low -3.86e-08 -3.99e-08 -7.52e-08 -3.74e-07 -1.74e-07 -4.43e-07 erg/cm2
90%_error_hi 3.97e-08 3.99e-08 7.56e-08 4.33e-07 1.76e-07 4.92e-07 erg/cm2
Peak flux PL 3.42e-01 4.54e-01 4.42e-01 7.71e-01 1.49e+00 2.01e+00 ph/cm2/s
90%_error_low -1.12e-01 -9.78e-02 -8.28e-02 -2.71e-01 -2.61e-01 -3.64e-01 ph/cm2/s
90%_error_hi 1.26e-01 9.52e-02 8.15e-02 3.55e-01 2.62e-01 3.81e-01 ph/cm2/s
Fluence CPL 3.54e-07 6.17e-07 7.66e-07 1.38e-06 2.22e-06 3.12e-06 erg/cm2
90%_error_low -4.51e-08 -4.86e-08 -7.77e-08 -7.55e-07 -2.11e-07 -7.90e-07 erg/cm2
90%_error_hi 4.39e-08 5.14e-08 7.79e-08 1.04e-06 2.08e-07 9.38e-07 erg/cm2
Peak flux CPL 3.09e-01 4.62e-01 4.63e-01 5.36e-01 1.47e+00 1.77e+00 ph/cm2/s
90%_error_low -1.54e-01 -1.03e-01 -9.90e-02 -5.36e-01 -2.76e-01 -4.88e-01 ph/cm2/s
90%_error_hi 1.52e-01 1.06e-01 1.10e-01 3.19e-01 2.71e-01 5.77e-01 ph/cm2/s
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