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 20 01:18:58 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger313299
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Trigger: 00313299 Segment: 000
BAT Trigger Time: 234402480.704 [s; MET]
Trigger Stop: 234402481.728 [s; MET]
UTC: 2008-06-05T23:47:57.859480 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 262.127299384762 Dec: 4.00166807477933 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 25.82
Image Trigger?: NO
Rate S/N Ratio: 120.743529847359 [ if not an image trigger ]
Image S/N Ratio: 25.82
Analysis Position: [ source = BAT ]
RA: 262.127299384762 Dec: 4.00166807477933 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 262.129984962012 Dec: 4.00907888034348 [deg; J2000]
{ 17h 28m 31.2s , +04d 00' 32.7" }
+/- 0.558082704217376 [arcmin] (estimated 90% radius based on SNR)
+/- 0.158187564979418 [arcmin] (formal 1-sigma fit error)
SNR: 69.9805860664166
Angular difference between the analysis and refined position is 0.472811 arcmin
Partial Coding Fraction: 0.4140625 [ including projection effects ]
Duration
T90: 18.055999994278 +/- 0.888225208353073
Measured from: -2.80399999022484
to: 15.2520000040531 [s; relative to TRIGTIME]
T50: 7.06000000238419 +/- 0.116275537741645
Measured from: 2.31600001454353
to: 9.37600001692772 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 7.57199999690056
to: 8.57199999690056 [s; relative to TRIGTIME]
Total Fluence
Measured from: -5.53200000524521
to: 22.5760000050068 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 4.289878 7.224310 6.262940 1.831162
0.060148 0.069483 0.068050 0.057761 [error]
Peak 0.395359 0.835084 0.926597 0.355922
0.015363 0.020385 0.022146 0.017162 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 28.108 -5.532 22.576
T90 18.056 -2.804 15.252
T50 7.060 2.316 9.376
Peak 1.000 7.572 8.572
====== 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: CPL)
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 -1.324 -0.030 0.030 - - - 4.90e-02 -7.83e-04 7.82e-04 37.900 57
CPL -1.146 -0.119 0.122 290.697 -92.583 421.177 5.81e-02 -6.09e-03 6.97e-03 31.320 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 -0.938 -0.049 0.049 - - - 1.73e-01 -4.85e-03 4.84e-03 42.370 57
CPL -0.714 -0.179 0.198 344.136 -132.467 1290.214 2.16e-01 -3.33e-02 4.51e-02 38.290 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 1.49e-06 3.06e-06 4.88e-06 1.74e-05 1.35e-05 2.68e-05 erg/cm2
90%_error_low -5.23e-08 -6.27e-08 -8.33e-08 -7.00e-07 -2.13e-07 -7.24e-07 erg/cm2
90%_error_hi 5.31e-08 6.26e-08 8.30e-08 7.21e-07 2.13e-07 7.41e-07 erg/cm2
Peak flux PL 1.58e-03 1.91e-02 2.53e-01 2.23e+01 9.40e-01 2.21e+01 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s
Fluence CPL 1.41e-06 3.07e-06 4.97e-06 1.42e-05 1.34e-05 2.36e-05 erg/cm2
90%_error_low -7.15e-08 -6.42e-08 -1.02e-07 -1.77e-06 -2.27e-07 -1.77e-06 erg/cm2
90%_error_hi 7.28e-08 6.42e-08 1.03e-07 2.08e-06 2.26e-07 2.07e-06 erg/cm2
Peak flux CPL 3.91e+00 5.93e+00 6.31e+00 9.49e+00 1.97e+01 2.56e+01 ph/cm2/s
90%_error_low -3.19e-01 -2.18e-01 -2.32e-01 -1.57e+00 -5.81e-01 -1.68e+00 ph/cm2/s
90%_error_hi 3.26e-01 2.19e-01 2.34e-01 1.89e+00 5.81e-01 1.97e+00 ph/cm2/s
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