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 21:02:53 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger148833
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Trigger: 00148833 Segment: 000
BAT Trigger Time: 144789240 [s; MET]
Trigger Stop: 144789312 [s; MET]
UTC: 2005-08-03T19:14:00.344280 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 350.649603158297 Dec: 5.80000785143894 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.61
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.61
Analysis Position: [ source = BAT ]
RA: 350.649603158297 Dec: 5.80000785143894 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 350.646042147815 Dec: 5.78774295338059 [deg; J2000]
{ 23h 22m 35.1s , +05d 47' 15.9" }
+/- 1.23106856951568 [arcmin] (estimated 90% radius based on SNR)
+/- 0.354510520320133 [arcmin] (formal 1-sigma fit error)
SNR: 22.6018374126796
Angular difference between the analysis and refined position is 0.765980 arcmin
Partial Coding Fraction: 0.3828125 [ including projection effects ]
Duration
T90: 88.1240000128746 +/- 10.1971862853614
Measured from: 62.2479999959469
to: 150.372000008821 [s; relative to TRIGTIME]
T50: 38.0760000050068 +/- 7.45741965813393
Measured from: 70.8560000061989
to: 108.932000011206 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 147.108000010252
to: 148.108000010252 [s; relative to TRIGTIME]
Total Fluence
Measured from: 59.5839999914169
to: 165.124000012875 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.897512 1.131649 0.991604 0.298630
0.061681 0.063936 0.055551 0.046082 [error]
Peak 0.026590 0.046683 0.037059 0.016998
0.004603 0.005044 0.004681 0.003774 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 105.540 59.584 165.124
T90 88.124 62.248 150.372
T50 38.076 70.856 108.932
Peak 1.000 147.108 148.108
====== 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 -1.392 -0.106 0.106 - - - 2.12e-03 -1.22e-04 1.22e-04 49.580 57
CPL -1.356 -0.141 0.359 952.762 -952.762 -952.762 2.21e-03 -2.00e-04 9.88e-04 49.630 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 -1.234 -0.209 0.212 - - - 8.11e-03 -9.47e-04 9.45e-04 46.180 57
CPL -1.234 -0.207 0.312 9999.360 -9999.360 -9999.360 8.15e-03 -7.25e-03 -4.87e-03 46.200 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 2.58e-07 5.07e-07 7.72e-07 2.56e-06 2.16e-06 4.10e-06 erg/cm2
90%_error_low -2.83e-08 -3.31e-08 -5.53e-08 -3.92e-07 -1.35e-07 -4.29e-07 erg/cm2
90%_error_hi 2.93e-08 3.29e-08 5.50e-08 4.40e-07 1.36e-07 4.68e-07 erg/cm2
Peak flux PL 2.59e-01 3.05e-01 2.60e-01 3.74e-01 9.57e-01 1.20e+00 ph/cm2/s
90%_error_low -5.51e-02 -4.05e-02 -3.74e-02 -1.03e-01 -1.12e-01 -1.49e-01 ph/cm2/s
90%_error_hi 5.81e-02 3.97e-02 3.68e-02 1.27e-01 1.13e-01 1.54e-01 ph/cm2/s
Fluence CPL 2.59e-07 5.07e-07 7.71e-07 2.61e-06 2.17e-06 4.12e-06 erg/cm2
90%_error_low -3.00e-08 -3.27e-08 -5.51e-08 -1.31e-06 -1.48e-07 -1.11e-06 erg/cm2
90%_error_hi 2.93e-08 3.62e-08 6.38e-08 5.07e-07 7.36e-08 2.28e-07 erg/cm2
Peak flux CPL 2.59e-01 3.05e-01 2.59e-01 3.72e-01 9.57e-01 1.20e+00 ph/cm2/s
90%_error_low N/A N/A N/A N/A -1.12e-01 -1.96e-01 ph/cm2/s
90%_error_hi N/A N/A N/A N/A 1.12e-01 7.85e-02 ph/cm2/s
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