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 14:51:24 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger359378
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Trigger: 00359378 Segment: 000
BAT Trigger Time: 271350032 [s; MET]
Trigger Stop: 271350096 [s; MET]
UTC: 2009-08-07T15:00:27.022480 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 273.744300314753 Dec: 10.2809416544568 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 13.18
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 13.18
Analysis Position: [ source = BAT ]
RA: 273.744300314753 Dec: 10.2809416544568 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 273.740596127134 Dec: 10.2795620125647 [deg; J2000]
{ 18h 14m 57.7s , +10d 16' 46.4" }
+/- 1.81978519744879 [arcmin] (estimated 90% radius based on SNR)
+/- 0.663278073070067 [arcmin] (formal 1-sigma fit error)
SNR: 12.9318617832287
Angular difference between the analysis and refined position is 0.233826 arcmin
Partial Coding Fraction: 0.640625 [ including projection effects ]
Duration
T90: 146.351999938488 +/- 13.1963055176372
Measured from: -0.444000005722046
to: 145.907999932766 [s; relative to TRIGTIME]
T50: 80.5719999670982 +/- 19.1943076258741
Measured from: 35.8240000009537
to: 116.395999968052 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 41.9480000138283
to: 42.9480000138283 [s; relative to TRIGTIME]
Total Fluence
Measured from: -9.45200002193451
to: 151.487999975681 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.727121 1.793824 0.716037 0.159656
0.102895 0.096105 0.086746 0.090612 [error]
Peak 0.028111 0.029329 0.022718 0.012020
0.008838 0.008155 0.007648 0.007787 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 160.940 -9.452 151.488
T90 146.352 -0.444 145.908
T50 80.572 35.824 116.396
Peak 1.000 41.948 42.948
====== 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: 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 -2.220 -0.145 0.140 - - - 1.44e-03 -1.37e-04 1.35e-04 76.970 57
CPL -1.478 -0.539 0.739 26.965 -24.943 8.776 4.03e-03 -2.16e-03 7.32e-03 72.460 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 -1.830 -0.663 0.603 - - - 5.16e-03 -1.93e-03 1.77e-03 47.990 57
CPL -1.861 -0.837 1.170 9999.360 N/A N/A 5.05e-03 N/A N/A 48.000 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 5.84e-07 6.95e-07 5.96e-07 8.72e-07 2.18e-06 2.75e-06 erg/cm2
90%_error_low -5.70e-08 -4.86e-08 -7.75e-08 -2.05e-07 -1.75e-07 -3.00e-07 erg/cm2
90%_error_hi 5.82e-08 4.85e-08 7.99e-08 2.47e-07 1.79e-07 3.31e-07 erg/cm2
Peak flux PL 2.92e-01 2.42e-01 1.36e-01 1.13e-01 7.19e-01 7.82e-01 ph/cm2/s
90%_error_low -1.30e-01 -7.00e-02 -6.44e-02 -7.86e-02 -2.08e-01 -2.28e-01 ph/cm2/s
90%_error_hi 1.43e-01 6.98e-02 6.63e-02 1.55e-01 2.09e-01 2.31e-01 ph/cm2/s
Fluence CPL 5.53e-07 7.46e-07 5.41e-07 2.33e-07 2.00e-06 2.07e-06 erg/cm2
90%_error_low -6.39e-08 -6.39e-08 -1.06e-07 -1.51e-07 -2.09e-07 -2.67e-07 erg/cm2
90%_error_hi 6.41e-08 6.55e-08 9.84e-08 4.12e-07 2.25e-07 4.79e-07 erg/cm2
Peak flux CPL 2.68e-01 1.99e-01 1.01e-01 8.72e-02 6.04e-01 6.57e-01 ph/cm2/s
90%_error_low N/A -1.19e-01 -5.97e-02 -4.84e-02 N/A -3.90e-01 ph/cm2/s
90%_error_hi N/A 1.05e-01 5.26e-02 4.07e-02 N/A 3.17e-01 ph/cm2/s
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