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 GROUND-DETECTED GRB DATA PROCESSING REPORT
Process Script: hand-made scripts that follow steps in batgrbproduct
but without using TDRSS info
Process Start Time: Mon Sep 29 23:58:53 EDT 2014
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/ground_detect_bursts/scripts
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BAT Trigger Time: 311387577.6
UTC: 2010-11-14T00:32:51.233 [includes UTCF correction]
Where From?: Ground analysis (best_duration.txt)
NOTE: BAT trigger time for ground-detected burst is the T100 start time.
Refined Position: [ source = BAT pre-slew image ]
RA: 303.189391847 Dec: 14.036478225 [deg; J2000]
{ 20h 12m 45.5s , +14d 02' 11.3" }
+/- 1.7476366908 [arcmin] (estimated 90% radius based on SNR)
SNR: 13.7030236201
Angular difference between the analysis and refined position is Usage: arcmin
Partial Coding Fraction: 3.046875e-01 [ including projection effects ]
Duration
T90: 8. +/- 1.6
Measured from: 0
to: 8 [s; relative to TRIGTIME]
T50: 4.80000001192093 +/- 1.6
Measured from: 1.6
to: 6.4 [s; relative to TRIGTIME]
====== Table of the duration information =============================
Value tstart tstop
T100 8.000 0.000 8.000
T90 8.000 0.000 8.000
T50 4.800 1.600 6.400
Peak 1.000 1.900 2.900
====== 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 -1.193 -0.192 0.196 - - - 1.23e-02 -1.32e-03 1.32e-03 54.430 57
CPL -1.194 -0.188 0.203 9999.360 -9999.360 -9999.360 1.24e-02 -4.52e-03 7.88e-03 54.450 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 -1.099 -0.294 0.306 - - - 1.62e-02 -2.61e-03 2.60e-03 43.580 57
CPL -1.102 -0.287 0.398 9999.350 -9999.350 -9999.350 1.62e-02 -2.55e-03 1.96e-02 43.590 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 4.14e-08 9.18e-08 1.61e-07 6.56e-07 4.39e-07 9.49e-07 erg/cm2
90%_error_low -8.47e-09 -1.15e-08 -2.06e-08 -1.72e-07 -5.18e-08 -1.87e-07 erg/cm2
90%_error_hi 9.00e-09 1.13e-08 2.03e-08 2.12e-07 5.22e-08 2.21e-07 erg/cm2
Peak flux PL 4.54e-01 5.81e-01 5.42e-01 8.91e-01 1.88e+00 2.47e+00 ph/cm2/s
90%_error_low -1.46e-01 -1.20e-01 -9.78e-02 -3.11e-01 -3.12e-01 -4.17e-01 ph/cm2/s
90%_error_hi 1.63e-01 1.16e-01 9.57e-02 4.07e-01 3.14e-01 4.33e-01 ph/cm2/s
Fluence CPL 4.19e-08 9.12e-08 1.58e-07 7.00e-07 4.44e-07 9.59e-07 erg/cm2
90%_error_low N/A N/A N/A -3.92e-07 N/A -3.70e-07 erg/cm2
90%_error_hi N/A N/A N/A 5.01e-08 N/A 8.59e-08 erg/cm2
Peak flux CPL 4.54e-01 5.82e-01 5.40e-01 9.71e-01 1.89e+00 2.47e+00 ph/cm2/s
90%_error_low N/A N/A -9.57e-02 N/A -3.83e-01 -5.98e-01 ph/cm2/s
90%_error_hi N/A N/A 1.04e-01 N/A 3.58e-01 3.83e-01 ph/cm2/s
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Special notes of this burst