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 20:40:04 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger503652
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Trigger: 00503652 Segment: 000
BAT Trigger Time: 338305887.552 [s; MET]
Trigger Stop: 338305891.648 [s; MET]
UTC: 2011-09-21T13:51:20.163880 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 294.077815153217 Dec: 36.376808367908 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.66
Image Trigger?: NO
Rate S/N Ratio: 15.0332963783729 [ if not an image trigger ]
Image S/N Ratio: 9.66
Analysis Position: [ source = BAT ]
RA: 294.077815153217 Dec: 36.376808367908 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 294.093934048033 Dec: 36.357578718842 [deg; J2000]
{ 19h 36m 22.5s , +36d 21' 27.3" }
+/- 1.56079249237844 [arcmin] (estimated 90% radius based on SNR)
+/- 0.652993927908694 [arcmin] (formal 1-sigma fit error)
SNR: 16.1031559192677
Angular difference between the analysis and refined position is 1.392008 arcmin
Partial Coding Fraction: 0.15625 [ including projection effects ]
Duration
T90: 32.5479999780655 +/- 4.44203784150322
Measured from: -20.2639999985695
to: 12.283999979496 [s; relative to TRIGTIME]
T50: 15.8439999222755 +/- 6.34405323471446
Measured from: -10.727999985218
to: 5.1159999370575 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.87200003862381
to: 3.87200003862381 [s; relative to TRIGTIME]
Total Fluence
Measured from: -24.0320000052452
to: 13.5760000348091 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.852359 1.253746 0.885652 0.279251
0.101594 0.100858 0.091382 0.087623 [error]
Peak 0.041059 0.098261 0.087862 0.030262
0.017017 0.017359 0.017223 0.015033 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 37.608 -24.032 13.576
T90 32.548 -20.264 12.284
T50 15.844 -10.728 5.116
Peak 1.000 2.872 3.872
====== 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 -1.644 -0.169 0.167 - - - 6.19e-03 -5.96e-04 5.92e-04 46.770 57
CPL -1.538 -1.103 0.585 213.518 -213.508 -213.518 7.02e-03 N/A N/A 46.810 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 -1.264 -0.350 0.362 - - - 1.84e-02 -3.82e-03 3.82e-03 44.210 57
CPL -0.748 -0.943 1.712 133.065 -133.065 -133.065 3.20e-02 -1.71e-02 1.53e-01 43.770 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 3.40e-07 5.73e-07 7.33e-07 1.88e-06 2.17e-06 3.53e-06 erg/cm2
90%_error_low -5.34e-08 -5.56e-08 -9.31e-08 -4.67e-07 -2.20e-07 -5.48e-07 erg/cm2
90%_error_hi 5.57e-08 5.52e-08 9.26e-08 5.61e-07 2.22e-07 6.21e-07 erg/cm2
Peak flux PL 6.03e-01 6.99e-01 5.82e-01 8.15e-01 2.18e+00 2.70e+00 ph/cm2/s
90%_error_low -2.26e-01 -1.77e-01 -1.36e-01 -3.37e-01 -4.77e-01 -5.67e-01 ph/cm2/s
90%_error_hi 2.59e-01 1.72e-01 1.34e-01 4.56e-01 4.81e-01 5.73e-01 ph/cm2/s
Fluence CPL 3.39e-07 5.75e-07 7.34e-07 1.80e-06 2.16e-06 3.45e-06 erg/cm2
90%_error_low -6.23e-08 -5.68e-08 -9.27e-08 -1.10e-06 -2.44e-07 -1.13e-06 erg/cm2
90%_error_hi 4.84e-08 6.73e-08 9.80e-08 4.04e-07 2.25e-07 6.72e-07 erg/cm2
Peak flux CPL 5.36e-01 7.25e-01 6.17e-01 4.97e-01 2.14e+00 2.38e+00 ph/cm2/s
90%_error_low -2.69e-01 -1.91e-01 -1.59e-01 -4.97e-01 -4.87e-01 -6.41e-01 ph/cm2/s
90%_error_hi 3.02e-01 1.99e-01 1.70e-01 4.50e-01 4.92e-01 7.25e-01 ph/cm2/s
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