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: Sun Jan 19 12:24:06 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger378559
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Trigger: 00378559 Segment: 000
BAT Trigger Time: 281958603.328 [s; MET]
Trigger Stop: 281958604.352 [s; MET]
UTC: 2009-12-08T09:49:57.998900 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 29.4105366032275 Dec: 16.8826915846662 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.31
Image Trigger?: NO
Rate S/N Ratio: 24.576411454889 [ if not an image trigger ]
Image S/N Ratio: 9.31
Analysis Position: [ source = BAT ]
RA: 29.4105366032275 Dec: 16.8826915846662 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 29.4125195602348 Dec: 16.87937265713 [deg; J2000]
{ 01h 57m 39.0s , +16d 52' 45.7" }
+/- 1.21896877451421 [arcmin] (estimated 90% radius based on SNR)
+/- 0.627453592362298 [arcmin] (formal 1-sigma fit error)
SNR: 22.923020145538
Angular difference between the analysis and refined position is 0.229384 arcmin
Partial Coding Fraction: 0.1054688 [ including projection effects ]
Duration
T90: 14.8000000119209 +/- 3.36083803454341
Measured from: 0.319999992847443
to: 15.1200000047684 [s; relative to TRIGTIME]
T50: 5.77600002288818 +/- 3.1238949769423
Measured from: 3.68000000715256
to: 9.45600003004074 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 8.16399997472763
to: 9.16399997472763 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.192000031471252
to: 19.311999976635 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.365682 1.918675 1.278894 0.301717
0.090762 0.096773 0.087697 0.070482 [error]
Peak 0.402375 0.576094 0.494038 0.169270
0.030710 0.037172 0.032948 0.025651 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 19.504 -0.192 19.312
T90 14.800 0.320 15.120
T50 5.776 3.680 9.456
Peak 1.000 8.164 9.164
====== 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 -1.761 -0.109 0.107 - - - 1.78e-02 -1.12e-03 1.11e-03 42.460 57
CPL -1.581 -0.272 0.426 116.051 -51.050 -116.051 2.19e-02 -5.13e-03 1.37e-02 41.850 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 -1.492 -0.115 0.114 - - - 1.17e-01 -7.82e-03 7.80e-03 42.730 57
CPL -1.417 -0.182 0.403 417.591 -417.591 -417.591 1.28e-01 -1.77e-02 6.84e-02 42.780 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 5.66e-07 8.87e-07 1.05e-06 2.39e-06 3.20e-06 4.89e-06 erg/cm2
90%_error_low -5.58e-08 -5.43e-08 -8.74e-08 -3.98e-07 -2.06e-07 -4.76e-07 erg/cm2
90%_error_hi 5.75e-08 5.42e-08 8.72e-08 4.46e-07 2.07e-07 5.11e-07 erg/cm2
Peak flux PL 4.79e+00 4.85e+00 3.45e+00 3.90e+00 1.46e+01 1.70e+01 ph/cm2/s
90%_error_low -5.70e-01 -3.61e-01 -2.78e-01 -6.14e-01 -1.02e+00 -1.13e+00 ph/cm2/s
90%_error_hi 5.91e-01 3.58e-01 2.75e-01 6.77e-01 1.02e+00 1.13e+00 ph/cm2/s
Fluence CPL 5.49e-07 9.03e-07 1.06e-06 1.83e-06 3.16e-06 4.34e-06 erg/cm2
90%_error_low -6.67e-08 -6.39e-08 -9.23e-08 -7.90e-07 -2.23e-07 -8.19e-07 erg/cm2
90%_error_hi 6.62e-08 6.55e-08 9.40e-08 6.87e-07 2.22e-07 7.57e-07 erg/cm2
Peak flux CPL 4.80e+00 4.85e+00 3.45e+00 3.87e+00 1.46e+01 1.69e+01 ph/cm2/s
90%_error_low -7.28e-01 -3.68e-01 -2.83e-01 -1.49e+00 -1.05e+00 -1.81e+00 ph/cm2/s
90%_error_hi 4.49e-01 4.08e-01 3.32e-01 4.22e-01 9.94e-01 1.24e+00 ph/cm2/s
======================================================================