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 18:19:56 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger191512
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Trigger: 00191512 Segment: 000
BAT Trigger Time: 162082086.144 [s; MET]
Trigger Stop: 162082094.336 [s; MET]
UTC: 2006-02-19T22:48:05.118160 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 241.806599596401 Dec: 32.3303789915981 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.2
Image Trigger?: NO
Rate S/N Ratio: 8.24621125123532 [ if not an image trigger ]
Image S/N Ratio: 7.2
Analysis Position: [ source = BAT ]
RA: 241.806599596401 Dec: 32.3303789915981 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 241.856308172933 Dec: 32.3078305910385 [deg; J2000]
{ 16h 07m 25.5s , +32d 18' 28.2" }
+/- 2.18678724966408 [arcmin] (estimated 90% radius based on SNR)
+/- 0.937476985655385 [arcmin] (formal 1-sigma fit error)
SNR: 9.94673335124456
Angular difference between the analysis and refined position is 2.860619 arcmin
Partial Coding Fraction: 0.6796875 [ including projection effects ]
Duration
T90: 62.0439999997616 +/- 6.24681712150771
Measured from: -55.0879999995232
to: 6.95600000023842 [s; relative to TRIGTIME]
T50: 43.9560000002384 +/- 22.9842952657015
Measured from: -40.6759999990463
to: 3.28000000119209 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 4.06000000238419
to: 5.06000000238419 [s; relative to TRIGTIME]
Total Fluence
Measured from: -57.0679999887943
to: 8.24000000953674 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.414854 0.413649 0.071703 -0.003578
0.054226 0.048393 0.040634 0.034142 [error]
Peak 0.031008 0.023438 0.005254 0.004351
0.006982 0.006262 0.005036 0.004174 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 65.308 -57.068 8.240
T90 62.044 -55.088 6.956
T50 43.956 -40.676 3.280
Peak 1.000 4.060 5.060
====== 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 -2.529 -0.342 0.302 - - - 6.69e-04 -1.63e-04 1.61e-04 64.300 57
CPL -0.971 -1.033 1.959 24.120 N/A N/A 6.23e-03 N/A N/A 60.970 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 -2.857 -1.071 0.709 - - - 2.19e-03 -1.39e-03 1.44e-03 49.120 57
CPL -1.910 N/A N/A 3.339 N/A N/A 8.78e-03 N/A N/A 49.450 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 1.48e-07 1.46e-07 1.02e-07 1.11e-07 4.40e-07 5.07e-07 erg/cm2
90%_error_low -2.73e-08 -2.48e-08 -3.19e-08 -5.45e-08 -7.80e-08 -1.08e-07 erg/cm2
90%_error_hi 2.79e-08 2.42e-08 3.50e-08 8.28e-08 8.12e-08 1.28e-07 erg/cm2
Peak flux PL 3.38e-01 1.55e-01 4.27e-02 1.47e-02 5.44e-01 5.50e-01 ph/cm2/s
90%_error_low -1.21e-01 -6.66e-02 -3.07e-02 -1.47e-02 -1.63e-01 -1.66e-01 ph/cm2/s
90%_error_hi 1.24e-01 5.79e-02 4.08e-02 3.54e-02 1.63e-01 1.67e-01 ph/cm2/s
Fluence CPL 1.36e-07 1.57e-07 9.62e-08 1.13e-07 4.36e-07 5.04e-07 erg/cm2
90%_error_low -3.19e-08 -2.46e-08 -2.64e-08 -5.85e-08 -7.59e-08 -1.00e-07 erg/cm2
90%_error_hi 3.12e-08 1.42e-08 4.04e-08 1.12e-07 8.67e-08 1.51e-07 erg/cm2
Peak flux CPL 3.37e-01 1.39e-01 3.55e-02 1.31e-02 5.18e-01 5.52e-01 ph/cm2/s
90%_error_low -1.23e-01 -9.92e-02 -3.55e-02 -1.31e-02 -2.23e-01 -2.58e-01 ph/cm2/s
90%_error_hi 1.25e-01 7.27e-02 4.78e-02 4.33e-02 1.88e-01 1.68e-01 ph/cm2/s
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