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 Ver: batgrbproduct v2.46
Process Start Time: Mon Oct 5 18:44:23 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/ground_detect_bursts/scripts
======================================================================
Trigger: 00611389 Segment: 000
BAT Trigger Time: 431245054.4
UTC: 2014-09-01T06:17:21.931 [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: 112.184 Dec: -29.209 [deg; J2000]
Refined Position: [ source = BAT pre-slew image ]
RA: 112.184 Dec: -29.209 [deg; J2000]
{ 07h 28m 44.2s , -29d -12' -32.4" }
+/- 2.49701658433 [arcmin] (estimated 90% radius based on SNR)
SNR: 8.23057737894
Angular difference between the analysis and refined position is 0.000000 arcmin
Partial Coding Fraction: 0.1855469 [ including projection effects ]
Duration
T90: 6.40000003576279 +/- 1.6
Measured from: 0
to: 6.4 [s; relative to TRIGTIME]
T50: 3.20000004768372 +/- 1.6
Measured from: 1.6
to: 4.8 [s; relative to TRIGTIME]
====== Table of the duration information =============================
Value tstart tstop
T100 6.400 0.000 6.400
T90 6.400 0.000 6.400
T50 3.200 1.600 4.800
Peak 1.000 0.300 1.300
====== 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 -1.186 -0.275 0.279 - - - 1.09e-02 -1.73e-03 1.73e-03 46.910 57
CPL -0.686 -0.644 1.512 142.328 -142.328 -142.328 1.87e-02 -9.35e-03 7.46e-02 46.390 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 N/A N/A N/A - - - N/A N/A N/A N/A N/A
CPL N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
=== 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 4.96e-08 1.11e-07 1.95e-07 8.00e-07 5.31e-07 1.16e-06 erg/cm2
90%_error_low -1.41e-08 -2.02e-08 -3.74e-08 -2.93e-07 -9.41e-08 -3.24e-07 erg/cm2
90%_error_hi 1.54e-08 1.98e-08 3.68e-08 3.91e-07 9.51e-08 4.07e-07 erg/cm2
Peak flux PL N/A N/A N/A N/A N/A N/A ph/cm2/s
Special notes of this burst