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.
======================================================================
BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Wed Sep 10 23:42:27 EDT 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger512035
======================================================================
Trigger: 00512035 Segment: 000
BAT Trigger Time: 348638678.016 [s; MET]
Trigger Stop: 348638679.04 [s; MET]
UTC: 2012-01-19T04:04:30.217780 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 120.027125198109 Dec: -9.07399060735125 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 15.49
Image Trigger?: NO
Rate S/N Ratio: 45.4642716866772 [ if not an image trigger ]
Image S/N Ratio: 15.49
Analysis Position: [ source = BAT ]
RA: 120.027125198109 Dec: -9.07399060735125 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 120.029048425626 Dec: -9.07659301295136 [deg; J2000]
{ 08h 00m 07.0s , -09d 04' 35.7" }
+/- 0.444062766481379 [arcmin] (estimated 90% radius based on SNR)
+/- 0.104689114036041 [arcmin] (formal 1-sigma fit error)
SNR: 96.9994549546024
Angular difference between the analysis and refined position is 0.193301 arcmin
Partial Coding Fraction: 1.015625 [ including projection effects ]
Duration
T90: 68 +/- 7.07106781186548
Measured from: -1.01599997282028
to: 66.9840000271797 [s; relative to TRIGTIME]
T50: 18 +/- 1
Measured from: 7.98400002717972
to: 25.9840000271797 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 8.98400002717972
to: 9.98400002717972 [s; relative to TRIGTIME]
Total Fluence
Measured from: -13.0159999728203
to: 213.98400002718 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 6.769585 9.962869 8.155082 2.074605
0.092582 0.099345 0.091300 0.080211 [error]
Peak 0.261922 0.472211 0.431073 0.130506
0.009512 0.011540 0.011657 0.008647 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 227.000 -13.016 213.984
T90 68.000 -1.016 66.984
T50 18.000 7.984 25.984
Peak 1.000 8.984 9.984
====== 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 -1.377 -0.031 0.031 - - - 7.74e-03 -1.25e-04 1.25e-04 43.020 57
CPL -1.281 -0.074 0.129 443.353 -217.783 -443.353 8.49e-03 -8.08e-04 1.10e-03 41.330 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: CPL)
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 -1.126 -0.053 0.053 - - - 8.48e-02 -2.49e-03 2.49e-03 64.810 57
CPL -0.780 -0.220 0.231 197.561 -57.034 229.024 1.22e-01 -2.44e-02 3.23e-02 57.420 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 2.00e-06 3.96e-06 6.10e-06 2.05e-05 1.70e-05 3.26e-05 erg/cm2
90%_error_low -7.20e-08 -8.25e-08 -1.09e-07 -8.76e-07 -2.76e-07 -9.08e-07 erg/cm2
90%_error_hi 7.32e-08 8.23e-08 1.08e-07 9.05e-07 2.75e-07 9.30e-07 erg/cm2
Peak flux PL 2.44e+00 3.07e+00 2.81e+00 4.50e+00 9.86e+00 1.28e+01 ph/cm2/s
90%_error_low -1.44e-01 -1.10e-01 -9.47e-02 -3.23e-01 -2.99e-01 -4.07e-01 ph/cm2/s
90%_error_hi 1.48e-01 1.10e-01 9.44e-02 3.38e-01 2.99e-01 4.11e-01 ph/cm2/s
Fluence CPL 1.94e-06 3.97e-06 6.15e-06 1.83e-05 1.70e-05 3.03e-05 erg/cm2
90%_error_low -1.01e-07 -8.38e-08 -1.28e-07 -2.57e-06 -3.02e-07 -2.57e-06 erg/cm2
90%_error_hi 5.15e-08 8.40e-08 1.31e-07 2.48e-06 3.01e-07 2.54e-06 erg/cm2
Peak flux CPL 2.24e+00 3.13e+00 2.92e+00 3.16e+00 9.69e+00 1.14e+01 ph/cm2/s
90%_error_low -1.86e-01 -1.18e-01 -1.15e-01 -6.07e-01 -3.16e-01 -6.97e-01 ph/cm2/s
90%_error_hi 1.91e-01 1.19e-01 1.16e-01 7.88e-01 3.16e-01 8.46e-01 ph/cm2/s
======================================================================
Special notes of this burst