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 19:36:18 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger163765
======================================================================
Trigger: 00163765 Segment: 000
BAT Trigger Time: 153588154.56 [s; MET]
Trigger Stop: 153588155.584 [s; MET]
UTC: 2005-11-13T15:22:34.722320 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 187.222134587575 Dec: -26.3906051826446 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.43
Image Trigger?: NO
Rate S/N Ratio: 13.7113092008021 [ if not an image trigger ]
Image S/N Ratio: 7.43
Analysis Position: [ source = BAT ]
RA: 187.222134587575 Dec: -26.3906051826446 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 187.245437407306 Dec: -26.3915275935324 [deg; J2000]
{ 12h 28m 58.9s , -26d 23' 29.5" }
+/- 1.44481950436595 [arcmin] (estimated 90% radius based on SNR)
+/- 0.495592608062051 [arcmin] (formal 1-sigma fit error)
SNR: 17.9809752465565
Angular difference between the analysis and refined position is 1.253676 arcmin
Partial Coding Fraction: 0.2460938 [ including projection effects ]
Duration
T90: 93.2960000038147 +/- 13.6124227002841
Measured from: -28.1920000016689
to: 65.1040000021458 [s; relative to TRIGTIME]
T50: 38.1840000152588 +/- 24.4029054809592
Measured from: -20.3280000090599
to: 17.8560000061989 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.27199998497963
to: 1.27199998497963 [s; relative to TRIGTIME]
Total Fluence
Measured from: -30.7479999959469
to: 67.3319999873638 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.188147 1.467127 1.159436 0.213687
0.098773 0.103251 0.090182 0.076810 [error]
Peak 0.062155 0.095800 0.075635 0.022588
0.010849 0.012245 0.011389 0.008642 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 98.080 -30.748 67.332
T90 93.296 -28.192 65.104
T50 38.184 -20.328 17.856
Peak 1.000 0.272 1.272
====== 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 -1.686 -0.136 0.134 - - - 2.84e-03 -2.26e-04 2.24e-04 61.520 57
CPL -1.489 -0.258 0.531 130.049 -62.907 -130.049 3.58e-03 -1.06e-03 2.93e-03 61.050 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 -1.491 -0.243 0.239 - - - 1.77e-02 -2.51e-03 2.49e-03 46.090 57
CPL -1.494 -0.239 0.277 9999.260 -9999.260 -9999.260 1.77e-02 -1.40e-02 2.41e-02 46.090 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 4.24e-07 6.96e-07 8.65e-07 2.13e-06 2.58e-06 4.11e-06 erg/cm2
90%_error_low -5.27e-08 -5.41e-08 -9.09e-08 -4.38e-07 -2.15e-07 -5.20e-07 erg/cm2
90%_error_hi 5.46e-08 5.40e-08 9.04e-08 5.07e-07 2.16e-07 5.72e-07 erg/cm2
Peak flux PL 7.20e-01 7.29e-01 5.19e-01 5.88e-01 2.20e+00 2.56e+00 ph/cm2/s
90%_error_low -1.70e-01 -1.11e-01 -9.16e-02 -1.88e-01 -3.14e-01 -3.59e-01 ph/cm2/s
90%_error_hi 1.81e-01 1.09e-01 8.97e-02 2.33e-01 3.15e-01 3.60e-01 ph/cm2/s
Fluence CPL 4.10e-07 7.10e-07 8.77e-07 1.58e-06 2.55e-06 3.58e-06 erg/cm2
90%_error_low -6.29e-08 -6.34e-08 -9.58e-08 -7.86e-07 -2.30e-07 -8.19e-07 erg/cm2
90%_error_hi 5.94e-08 6.55e-08 9.80e-08 6.76e-07 2.30e-07 7.45e-07 erg/cm2
Peak flux CPL 7.36e-01 7.19e-01 5.12e-01 6.59e-01 2.21e+00 2.64e+00 ph/cm2/s
90%_error_low -2.28e-01 -1.22e-01 -1.15e-01 -4.10e-01 -3.92e-01 -5.82e-01 ph/cm2/s
90%_error_hi 2.16e-01 1.55e-01 1.37e-01 4.67e-02 3.73e-01 3.49e-01 ph/cm2/s
======================================================================