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 14:37:43 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger359711
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Trigger: 00359711 Segment: 000
BAT Trigger Time: 271749733.888 [s; MET]
Trigger Stop: 271749734.912 [s; MET]
UTC: 2009-08-12T06:02:08.897520 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 353.194081792447 Dec: -10.5945573605417 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.25
Image Trigger?: NO
Rate S/N Ratio: 23.388031127053 [ if not an image trigger ]
Image S/N Ratio: 10.25
Analysis Position: [ source = BAT ]
RA: 353.194081792447 Dec: -10.5945573605417 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 353.200640692419 Dec: -10.6103031693898 [deg; J2000]
{ 23h 32m 48.2s , -10d 36' 37.1" }
+/- 0.736804038461972 [arcmin] (estimated 90% radius based on SNR)
+/- 0.217492457408143 [arcmin] (formal 1-sigma fit error)
SNR: 47.0560562478732
Angular difference between the analysis and refined position is 1.020870 arcmin
Partial Coding Fraction: 0.78125 [ including projection effects ]
Duration
T90: 74.4959999918938 +/- 15.2868744039961
Measured from: -1.74800002574921
to: 72.7479999661446 [s; relative to TRIGTIME]
T50: 24.2639999389648 +/- 1.34571912144514
Measured from: 7.68400001525879
to: 31.9479999542236 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 26.8240000009537
to: 27.8240000009537 [s; relative to TRIGTIME]
Total Fluence
Measured from: -5.43999999761581
to: 113.884000003338 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.835128 2.946024 2.635923 0.899099
0.062624 0.064592 0.059081 0.051420 [error]
Peak 0.080606 0.136323 0.174052 0.075662
0.007078 0.008251 0.008537 0.007089 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 119.324 -5.440 113.884
T90 74.496 -1.748 72.748
T50 24.264 7.684 31.948
Peak 1.000 26.824 27.824
====== 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 -1.218 -0.050 0.050 - - - 4.76e-03 -1.23e-04 1.23e-04 51.520 57
CPL -1.217 -0.047 0.054 9999.360 -9999.360 -9999.360 4.78e-03 -1.20e-04 5.06e-04 51.620 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 -0.862 -0.103 0.105 - - - 3.09e-02 -1.78e-03 1.77e-03 43.040 57
CPL -0.858 -0.102 0.190 9999.360 -9999.360 -9999.360 3.11e-02 -1.75e-03 1.04e-02 43.070 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 5.57e-07 1.22e-06 2.09e-06 8.31e-06 5.73e-06 1.22e-05 erg/cm2
90%_error_low -3.13e-08 -3.95e-08 -6.15e-08 -5.79e-07 -1.56e-07 -6.04e-07 erg/cm2
90%_error_hi 3.21e-08 3.94e-08 6.14e-08 6.10e-07 1.56e-07 6.31e-07 erg/cm2
Peak flux PL 6.93e-01 1.02e+00 1.12e+00 2.32e+00 3.55e+00 5.16e+00 ph/cm2/s
90%_error_low -8.45e-02 -7.63e-02 -6.80e-02 -3.04e-01 -2.03e-01 -3.39e-01 ph/cm2/s
90%_error_hi 8.85e-02 7.55e-02 6.76e-02 3.34e-01 2.03e-01 3.50e-01 ph/cm2/s
Fluence CPL 5.56e-07 1.22e-06 2.09e-06 8.26e-06 5.77e-06 1.26e-05 erg/cm2
90%_error_low N/A -3.96e-08 N/A N/A -1.93e-07 -1.56e-06 erg/cm2
90%_error_hi N/A 3.94e-08 N/A N/A 1.18e-07 7.23e-08 erg/cm2
Peak flux CPL 6.92e-01 1.02e+00 1.11e+00 2.31e+00 3.56e+00 5.37e+00 ph/cm2/s
90%_error_low N/A -7.24e-02 N/A N/A N/A -9.18e-01 ph/cm2/s
90%_error_hi N/A 7.95e-02 N/A N/A N/A 5.18e-01 ph/cm2/s
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