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: Mon Jan 13 17:20:26 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger509419
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Trigger: 00509419 Segment: 000
BAT Trigger Time: 345220630.848 [s; MET]
Trigger Stop: 345220631.104 [s; MET]
UTC: 2011-12-10T14:37:03.186460 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 191.488500995888 Dec: -7.16720076662529 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.85
Image Trigger?: NO
Rate S/N Ratio: 30.9030742807249 [ if not an image trigger ]
Image S/N Ratio: 10.85
Analysis Position: [ source = BAT ]
RA: 191.488500995888 Dec: -7.16720076662529 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 191.494254955472 Dec: -7.17515560726301 [deg; J2000]
{ 12h 45m 58.6s , -07d 10' 30.6" }
+/- 1.70284786841092 [arcmin] (estimated 90% radius based on SNR)
+/- 0.671616952806751 [arcmin] (formal 1-sigma fit error)
SNR: 14.2189381673482
Angular difference between the analysis and refined position is 0.587484 arcmin
Partial Coding Fraction: 1 [ including projection effects ]
Duration
T90: 2.51599991321564 +/- 0.132060610640776
Measured from: -2.22399997711182
to: 0.291999936103821 [s; relative to TRIGTIME]
T50: 2.1159999370575 +/- 0.0865332737249088
Measured from: -1.99599999189377
to: 0.119999945163727 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -2.3299999833107
to: -1.3299999833107 [s; relative to TRIGTIME]
Total Fluence
Measured from: -2.32800000905991
to: 0.360000014305115 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.067685 0.093814 0.079659 0.022694
0.009296 0.010056 0.008893 0.007543 [error]
Peak 0.030802 0.051582 0.044249 0.011773
0.005885 0.006429 0.005642 0.004648 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 2.688 -2.328 0.360
T90 2.516 -2.224 0.292
T50 2.116 -1.996 0.120
Peak 1.000 -2.330 -1.330
====== 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 -1.297 -0.194 0.194 - - - 6.17e-03 -6.92e-04 6.89e-04 61.140 57
CPL -1.033 -0.433 0.833 186.076 -186.076 -186.076 8.37e-03 -3.55e-03 1.30e-02 60.750 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 -1.236 -0.227 0.229 - - - 8.70e-03 -1.17e-03 1.17e-03 68.520 57
CPL -0.480 -0.853 1.289 103.409 -36.832 -103.409 2.05e-02 -1.25e-02 6.51e-02 66.870 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 1.75e-08 3.65e-08 5.94e-08 2.17e-07 1.64e-07 3.31e-07 erg/cm2
90%_error_low -3.34e-09 -4.34e-09 -8.51e-09 -6.07e-08 -2.09e-08 -6.79e-08 erg/cm2
90%_error_hi 3.50e-09 4.29e-09 8.44e-09 7.54e-08 2.12e-08 8.05e-08 erg/cm2
Peak flux PL 2.78e-01 3.27e-01 2.78e-01 4.00e-01 1.03e+00 1.28e+00 ph/cm2/s
90%_error_low -6.52e-02 -4.96e-02 -4.49e-02 -1.19e-01 -1.39e-01 -1.82e-01 ph/cm2/s
90%_error_hi 6.98e-02 4.88e-02 4.43e-02 1.48e-01 1.39e-01 1.87e-01 ph/cm2/s
Fluence CPL 1.68e-08 3.75e-08 6.05e-08 1.44e-07 1.61e-07 2.58e-07 erg/cm2
90%_error_low -3.95e-09 -5.07e-09 -9.06e-09 -9.30e-08 -2.33e-08 -9.56e-08 erg/cm2
90%_error_hi 3.65e-09 5.37e-09 9.32e-09 1.58e-07 2.31e-08 9.24e-08 erg/cm2
Peak flux CPL 2.40e-01 3.49e-01 2.96e-01 1.84e-01 9.95e-01 1.07e+00 ph/cm2/s
90%_error_low -8.09e-02 -5.84e-02 -5.17e-02 -1.16e-01 -1.47e-01 -1.95e-01 ph/cm2/s
90%_error_hi 8.13e-02 6.16e-02 5.34e-02 2.65e-01 1.46e-01 3.10e-01 ph/cm2/s
======================================================================