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 15:57:20 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger355083
======================================================================
Trigger: 00355083 Segment: 000
BAT Trigger Time: 267006514.688 [s; MET]
Trigger Stop: 267006515.712 [s; MET]
UTC: 2009-06-18T08:28:29.851180 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 294.021186499589 Dec: 78.3535968964309 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 22.57
Image Trigger?: NO
Rate S/N Ratio: 85.8370549354997 [ if not an image trigger ]
Image S/N Ratio: 22.57
Analysis Position: [ source = BAT ]
RA: 294.021186499589 Dec: 78.3535968964309 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 294.00766435887 Dec: 78.3520481276482 [deg; J2000]
{ 19h 36m 01.8s , +78d 21' 07.4" }
+/- 0.455445070291291 [arcmin] (estimated 90% radius based on SNR)
+/- 0.134832402607741 [arcmin] (formal 1-sigma fit error)
SNR: 93.5549871227227
Angular difference between the analysis and refined position is 0.188319 arcmin
Partial Coding Fraction: 0.625 [ including projection effects ]
Duration
T90: 113.340000003576 +/- 0.580344719513611
Measured from: 10.4560000002384
to: 123.796000003815 [s; relative to TRIGTIME]
T50: 28.0560000240803 +/- 0.160648699669277
Measured from: 61.0600000023842
to: 89.1160000264645 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 65.3840000033379
to: 66.3840000033379 [s; relative to TRIGTIME]
Total Fluence
Measured from: -4.99599999189377
to: 213.636000007391 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 50.101114 66.303208 48.856144 11.948221
0.127355 0.144137 0.131336 0.090757 [error]
Peak 1.092692 1.691382 1.442514 0.409953
0.017676 0.021547 0.020909 0.013899 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 218.632 -4.996 213.636
T90 113.340 10.456 123.796
T50 28.056 61.060 89.116
Peak 1.000 65.384 66.384
====== 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 -1.578 -0.019 0.019 - - - 5.33e-02 -6.37e-04 6.35e-04 27.850 57
CPL -1.488 -0.077 0.078 399.813 -152.049 1709.187 5.73e-02 -3.16e-03 3.72e-03 23.990 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 -1.361 -0.034 0.034 - - - 3.22e-01 -5.91e-03 5.90e-03 38.410 57
CPL -1.235 -0.134 0.138 364.469 -158.572 -364.469 3.63e-01 -3.95e-02 5.11e-02 35.900 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 1.60e-05 2.80e-05 3.76e-05 1.03e-04 1.09e-04 1.85e-04 erg/cm2
90%_error_low -4.16e-07 -4.54e-07 -3.74e-07 -2.21e-06 -1.18e-06 -2.21e-06 erg/cm2
90%_error_hi 4.21e-07 4.54e-07 3.74e-07 2.24e-06 1.18e-06 2.23e-06 erg/cm2
Peak flux PL 2.73e-03 2.35e-02 3.69e-01 3.16e+01 1.73e+00 1.87e+01 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s
Fluence CPL 1.54e-05 2.79e-05 3.80e-05 9.61e-05 1.09e-04 1.78e-04 erg/cm2
90%_error_low -6.20e-07 -4.65e-07 -5.29e-07 -5.79e-06 -1.21e-06 -5.98e-06 erg/cm2
90%_error_hi 6.31e-07 4.64e-07 5.30e-07 6.28e-06 1.21e-06 6.45e-06 erg/cm2
Peak flux CPL 1.11e+01 1.27e+01 1.00e+01 1.13e+01 3.85e+01 4.51e+01 ph/cm2/s
90%_error_low -6.35e-01 -3.06e-01 -2.47e-01 -1.29e+00 -8.91e-01 -1.70e+00 ph/cm2/s
90%_error_hi 6.47e-01 3.07e-01 2.48e-01 1.38e+00 8.96e-01 1.65e+00 ph/cm2/s
======================================================================