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 20:35:07 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger152113
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Trigger: 00152113 Segment: 000
BAT Trigger Time: 146729889.984 [s; MET]
Trigger Stop: 146729898.176 [s; MET]
UTC: 2005-08-26T06:18:10.289400 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 87.7286242278895 Dec: -2.67982454693241 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.16
Image Trigger?: NO
Rate S/N Ratio: 12.4498995979887 [ if not an image trigger ]
Image S/N Ratio: 8.16
Analysis Position: [ source = BAT ]
RA: 87.7286242278895 Dec: -2.67982454693241 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 87.7548499261731 Dec: -2.64583212585851 [deg; J2000]
{ 05h 51m 01.2s , -02d 38' 45.0" }
+/- 2.02505812645427 [arcmin] (estimated 90% radius based on SNR)
+/- 1.11954119839552 [arcmin] (formal 1-sigma fit error)
SNR: 11.1007042482143
Angular difference between the analysis and refined position is 2.574963 arcmin
Partial Coding Fraction: 0.8125 [ including projection effects ]
Duration
T90: 29.5999999642372 +/- 6.30980951371596
Measured from: 0.527999997138977
to: 30.1279999613762 [s; relative to TRIGTIME]
T50: 17.391999989748 +/- 10.3361733606588
Measured from: 4.11199998855591
to: 21.5039999783039 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.203999996185303
to: 0.796000003814697 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.208000004291534
to: 39.5839999914169 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.143475 0.219637 0.197312 0.092531
0.032931 0.033823 0.029185 0.025075 [error]
Peak 0.014602 0.012165 0.019308 0.007652
0.005413 0.005421 0.004726 0.004098 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 39.792 -0.208 39.584
T90 29.600 0.528 30.128
T50 17.392 4.112 21.504
Peak 1.000 -0.204 0.796
====== 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 -1.234 -0.292 0.299 - - - 1.05e-03 -1.59e-04 1.59e-04 65.800 57
CPL -1.233 -0.291 0.342 9999.360 -9999.360 -9999.360 1.05e-03 -1.60e-04 1.01e-03 65.810 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 -1.252 -0.666 0.701 - - - 3.17e-03 -1.01e-03 1.01e-03 36.890 57
CPL -1.275 -0.645 0.734 9999.360 -9999.360 -9999.360 3.15e-03 -9.86e-04 1.04e-02 36.910 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 4.16e-08 8.99e-08 1.53e-07 5.98e-07 4.20e-07 8.82e-07 erg/cm2
90%_error_low -1.22e-08 -1.62e-08 -2.92e-08 -2.26e-07 -7.16e-08 -2.47e-07 erg/cm2
90%_error_hi 1.34e-08 1.56e-08 2.85e-08 3.13e-07 7.24e-08 3.22e-07 erg/cm2
Peak flux PL 1.03e-01 1.20e-01 1.01e-01 1.43e-01 3.75e-01 4.66e-01 ph/cm2/s
90%_error_low -6.10e-02 -4.87e-02 -4.14e-02 -9.49e-02 -1.23e-01 -1.55e-01 ph/cm2/s
90%_error_hi 7.43e-02 4.42e-02 3.85e-02 1.80e-01 1.24e-01 1.67e-01 ph/cm2/s
Fluence CPL 4.15e-08 9.00e-08 1.53e-07 6.06e-07 4.19e-07 8.80e-07 erg/cm2
90%_error_low N/A N/A N/A N/A N/A -3.67e-07 erg/cm2
90%_error_hi N/A N/A N/A N/A N/A 2.04e-07 erg/cm2
Peak flux CPL 1.03e-01 1.20e-01 1.00e-01 1.42e-01 3.77e-01 4.71e-01 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A -4.71e-01 ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A 1.38e-01 ph/cm2/s
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