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: Wed Apr 1 14:16:16 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/ground_detect_bursts/scripts
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BAT Trigger Time: 439459530.048
UTC: 2014-12-05T08:05:17.172 [includes UTCF correction]
Where From?: Ground analysis (best_duration.txt)
NOTE: BAT trigger time for ground-detected burst is the T100 start time.
Analysis Position: [ source = GCN ]
RA: 92.859 Dec: 37.876 [deg; J2000]
Refined Position: [ source = BAT pre-slew image ]
RA: 92.859 Dec: 37.876 [deg; J2000]
{ 06h 11m 26.2s , +37d 52' 33.6" }
+/- 2.52437807907 [arcmin] (estimated 90% radius based on SNR)
SNR: 8.10343049848
Angular difference between the analysis and refined position is 0.000000 arcmin
Partial Coding Fraction: 4.179688e-01 [ including projection effects ]
Duration (found by FRED-model fit)
T90: 1.664 +/- N/A
Measured from: 0.128
to: 1.792 [s; relative to TRIGTIME]
T50: 0.576 +/- N/A
Measured from: 0.384
to: 0.96
====== Table of the duration information =============================
Value tstart tstop
T100 2.624 0.000 2.624
T90 1.664 0.128 1.792
T50 0.576 0.384 0.960
Peak 1.000 -0.124 0.876
====== 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 -1.178 -0.415 0.445 - - - 4.56e-03 -1.27e-03 1.26e-03 80.360 57
CPL 3.312 -1.357 -3.312 54.173 -11.343 4.477 9.71e-01 -9.71e-01 3.43e+03 71.610 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 -0.769 -0.397 0.453 - - - 9.03e-03 -2.33e-03 2.25e-03 74.420 57
CPL 0.582 -1.530 7.599 102.085 -36.253 -102.085 3.94e-02 -3.94e-02 1.07e+02 73.360 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 1.13e-08 2.53e-08 4.48e-08 1.86e-07 1.22e-07 2.67e-07 erg/cm2
90%_error_low -5.05e-09 -7.94e-09 -1.40e-08 -9.62e-08 -3.60e-08 -1.10e-07 erg/cm2
90%_error_hi 5.81e-09 7.83e-09 1.40e-08 1.52e-07 3.68e-08 1.58e-07 erg/cm2
Peak flux PL 1.86e-01 2.89e-01 3.40e-01 7.70e-01 1.04e+00 1.58e+00 ph/cm2/s
90%_error_low -8.89e-02 -9.64e-02 -8.12e-02 -3.31e-01 -2.53e-01 -4.05e-01 ph/cm2/s
90%_error_hi 1.09e-01 9.48e-02 8.08e-02 4.91e-01 2.56e-01 4.61e-01 ph/cm2/s
Fluence CPL 4.07e-09 5.74e-09 5.73e-09 1.43e-08 1.89e-08 3.34e-08 erg/cm2
90%_error_low N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_hi N/A N/A N/A N/A N/A N/A erg/cm2
Peak flux CPL 1.38e-01 3.20e-01 3.81e-01 2.22e-01 9.87e-01 1.06e+00 ph/cm2/s
90%_error_low -1.04e-01 -1.14e-01 -1.05e-01 -2.22e-01 -3.07e-01 -3.82e-01 ph/cm2/s
90%_error_hi 1.31e-01 1.45e-01 1.05e-01 5.76e-01 2.73e-01 7.39e-01 ph/cm2/s
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Special notes of this burst