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.
======================================================================
BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Sun Jan 19 16:46:19 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger352108
======================================================================
Trigger: 00352108 Segment: 000
BAT Trigger Time: 264055514.268 [s; MET]
Trigger Stop: 264055514.3 [s; MET]
UTC: 2009-05-15T04:45:09.525600 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 164.170933861596 Dec: 14.4560193879202 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.79
Image Trigger?: NO
Rate S/N Ratio: 38.3927076409049 [ if not an image trigger ]
Image S/N Ratio: 9.79
Analysis Position: [ source = BAT ]
RA: 164.170933861596 Dec: 14.4560193879202 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 164.164418927944 Dec: 14.4658259660496 [deg; J2000]
{ 10h 56m 39.5s , +14d 27' 57.0" }
+/- 2.03775967718021 [arcmin] (estimated 90% radius based on SNR)
+/- 1.05812041502137 [arcmin] (formal 1-sigma fit error)
SNR: 11.0019910723503
Angular difference between the analysis and refined position is 0.699628 arcmin
Partial Coding Fraction: 0.8671875 [ including projection effects ]
Duration
T90: 0.0360000133514404 +/- 0.0164924197847099
Measured from: 0.00799998641014099
to: 0.0439999997615814 [s; relative to TRIGTIME]
T50: 0.0160000026226044 +/- 0.00894426338008669
Measured from: 0.0119999945163727
to: 0.0279999971389771 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.466000020503998
to: 0.533999979496002 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.00799998641014099
to: 0.0559999942779541 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.009441 0.015846 0.012522 0.003094
0.001881 0.002204 0.001982 0.001368 [error]
Peak 0.009261 0.012798 0.014347 -0.003497
0.005589 0.005669 0.005274 0.004272 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 0.048 0.008 0.056
T90 0.036 0.008 0.044
T50 0.016 0.012 0.028
Peak 1.000 -0.466 0.534
====== 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 -1.409 -0.238 0.233 - - - 4.82e-02 -7.89e-03 7.87e-03 44.740 57
CPL -0.151 -1.002 1.273 79.757 -19.313 93.954 1.96e-01 -1.96e-01 5.61e-01 39.990 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 -1.019 -0.739 0.838 - - - 2.56e-03 -1.12e-03 1.09e-03 56.440 57
CPL -0.333 0.333 5.081 137.778 -137.778 -137.778 5.22e-03 -5.22e-03 1.54e+00 56.270 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 2.71e-09 5.27e-09 7.94e-09 2.59e-08 2.23e-08 4.18e-08 erg/cm2
90%_error_low -6.67e-10 -9.02e-10 -1.56e-09 -8.88e-09 -3.92e-09 -1.05e-08 erg/cm2
90%_error_hi 7.04e-10 8.94e-10 1.53e-09 1.10e-08 3.93e-09 1.21e-08 erg/cm2
Peak flux PL 6.67e-02 8.94e-02 8.83e-02 1.57e-01 2.96e-01 4.01e-01 ph/cm2/s
90%_error_low -4.75e-02 -4.85e-02 -4.08e-02 -1.57e-01 -1.28e-01 -1.75e-01 ph/cm2/s
90%_error_hi 6.52e-02 4.66e-02 3.97e-02 2.17e-01 1.30e-01 1.98e-01 ph/cm2/s
Fluence CPL 2.16e-09 6.07e-09 9.30e-09 7.70e-09 2.21e-08 2.52e-08 erg/cm2
90%_error_low -7.91e-10 -1.14e-09 -1.99e-09 -4.75e-09 -4.05e-09 -6.14e-09 erg/cm2
90%_error_hi 8.32e-10 1.19e-09 2.07e-09 1.20e-08 4.04e-09 1.16e-08 erg/cm2
Peak flux CPL 5.59e-02 9.28e-02 9.53e-02 8.34e-02 2.87e-01 3.27e-01 ph/cm2/s
90%_error_low -5.59e-02 -9.28e-02 -4.62e-02 -8.34e-02 -1.31e-01 -1.68e-01 ph/cm2/s
90%_error_hi 7.35e-02 5.63e-02 5.22e-02 1.05e-01 1.34e-01 2.48e-01 ph/cm2/s
======================================================================
Special notes of this burst