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 22:37:20 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger112453
======================================================================
Trigger: 00112453 Segment: 000
BAT Trigger Time: 133523635.584 [s; MET]
Trigger Stop: 133523636.096 [s; MET]
UTC: 2005-03-26T09:53:56.135600 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 6.85721390690823 Dec: -71.375078177145 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 21
Image Trigger?: NO
Rate S/N Ratio: 116.1034021896 [ if not an image trigger ]
Image S/N Ratio: 21
Analysis Position: [ source = BAT ]
RA: 6.85721390690823 Dec: -71.375078177145 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 6.88115047028435 Dec: -71.3744347753356 [deg; J2000]
{ 00h 27m 31.5s , -71d 22' 28.0" }
+/- 0.545401932441427 [arcmin] (estimated 90% radius based on SNR)
+/- 0.163369186079349 [arcmin] (formal 1-sigma fit error)
SNR: 72.3165034317991
Angular difference between the analysis and refined position is 0.460309 arcmin
Partial Coding Fraction: 0.4804688 [ including projection effects ]
Duration
T90: 29.440000012517 +/- 1.13471053573939
Measured from: -5.08400000631809
to: 24.3560000061989 [s; relative to TRIGTIME]
T50: 19.3880000114441 +/- 0.138679478372513
Measured from: 0.703999996185303
to: 20.0920000076294 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.0800000131130219
to: 0.919999986886978 [s; relative to TRIGTIME]
Total Fluence
Measured from: -9.84000000357628
to: 32.4239999949932 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.887378 4.613173 4.233984 1.238749
0.046974 0.053397 0.051521 0.044201 [error]
Peak 0.270390 0.518760 0.582673 0.203919
0.010955 0.013988 0.014992 0.011322 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 42.264 -9.840 32.424
T90 29.440 -5.084 24.356
T50 19.388 0.704 20.092
Peak 1.000 -0.080 0.920
====== 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 -1.261 -0.032 0.033 - - - 2.10e-02 -3.61e-04 3.61e-04 46.850 57
CPL -1.155 -0.117 0.134 484.079 -234.674 -484.079 2.32e-02 -1.57e-03 3.09e-03 44.970 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 -0.964 -0.053 0.054 - - - 1.07e-01 -3.21e-03 3.20e-03 54.880 57
CPL -0.817 -0.175 0.219 477.405 -477.405 -477.405 1.24e-01 -1.84e-02 2.91e-02 53.460 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 9.05e-07 1.93e-06 3.21e-06 1.22e-05 8.84e-06 1.83e-05 erg/cm2
90%_error_low -3.44e-08 -4.26e-08 -5.94e-08 -5.40e-07 -1.52e-07 -5.58e-07 erg/cm2
90%_error_hi 3.50e-08 4.26e-08 5.93e-08 5.57e-07 1.52e-07 5.72e-07 erg/cm2
Peak flux PL 9.99e-04 1.21e-02 1.61e-01 1.42e+01 5.95e-01 1.44e+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 8.76e-07 1.93e-06 3.25e-06 1.08e-05 8.80e-06 1.68e-05 erg/cm2
90%_error_low -4.81e-08 -4.34e-08 -7.21e-08 -1.54e-06 -1.62e-07 -1.54e-06 erg/cm2
90%_error_hi 2.47e-08 4.35e-08 7.35e-08 1.57e-06 1.62e-07 1.59e-06 erg/cm2
Peak flux CPL 2.53e+00 3.68e+00 3.82e+00 6.06e+00 1.22e+01 1.61e+01 ph/cm2/s
90%_error_low -2.21e-01 -1.45e-01 -1.32e-01 -1.14e+00 -3.89e-01 -1.21e+00 ph/cm2/s
90%_error_hi 2.23e-01 1.45e-01 1.55e-01 1.11e+00 3.89e-01 1.24e+00 ph/cm2/s
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