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 GROUND-DETECTED GRB DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Sun Jul 10 22:56:32 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/ground_detect_bursts/scripts
======================================================================
Trigger: 00703769 Segment: 000
BAT Trigger Time: 489786560.0
UTC: 2016-07-09T19:49:03.464 [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: 236.0009 Dec: -28.186 [deg; J2000]
Refined Position: [ source = BAT pre-slew image ]
RA: 235.996320107 Dec: -28.1883821299 [deg; J2000]
{ 15h 43m 59.1s , -28d -11' -18.2" }
+/- 2.38600902192 [arcmin] (estimated 90% radius based on SNR)
SNR: 8.78301557104
Angular difference between the analysis and refined position is 0.281233 arcmin
Partial Coding Fraction: 0.1953125 [ including projection effects ]
Duration
T90: 4.80000001192093 +/- 1.6
Measured from: 0
to: 4.8 [s; relative to TRIGTIME]
T50: 3.20000004768372 +/- 1.6
Measured from: 0
to: 3.2 [s; relative to TRIGTIME]
====== Table of the duration information =============================
Value tstart tstop
T100 4.800 0.000 4.800
T90 4.800 0.000 4.800
T50 3.200 0.000 3.200
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 -1.106 -0.271 0.282 - - - 9.08e-03 -1.41e-03 1.39e-03 43.910 57
CPL -0.659 -0.680 1.463 184.085 -184.085 -184.085 1.38e-02 -5.95e-03 3.60e-02 43.460 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 -0.996 -0.282 0.298 - - - 2.33e-02 -3.81e-03 3.76e-03 52.380 57
CPL -0.694 -0.557 1.503 254.757 -254.757 -254.757 3.14e-02 -1.15e-02 1.00e-01 52.200 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 3.85e-08 9.02e-08 1.68e-07 7.49e-07 4.55e-07 1.05e-06 erg/cm2
90%_error_low -1.19e-08 -1.77e-08 -2.73e-08 -2.50e-07 -7.04e-08 -2.65e-07 erg/cm2
90%_error_hi 1.35e-08 1.73e-08 2.69e-08 3.30e-07 7.07e-08 3.33e-07 erg/cm2
Peak flux PL 5.92e-01 8.05e-01 8.07e-01 1.46e+00 2.68e+00 3.67e+00 ph/cm2/s
90%_error_low -1.94e-01 -1.72e-01 -1.35e-01 -4.77e-01 -4.45e-01 -6.07e-01 ph/cm2/s
90%_error_hi 2.22e-01 1.69e-01 1.33e-01 6.18e-01 4.49e-01 6.33e-01 ph/cm2/s
Fluence CPL 3.36e-08 9.12e-08 1.76e-07 4.59e-07 4.47e-07 8.30e-07 erg/cm2
90%_error_low -1.62e-08 -1.88e-08 -3.31e-08 -3.03e-07 -7.46e-08 -3.84e-07 erg/cm2
90%_error_hi 1.71e-08 1.87e-08 3.55e-08 3.46e-07 7.35e-08 3.16e-07 erg/cm2
Peak flux CPL 5.43e-01 8.14e-01 8.36e-01 1.09e+00 2.64e+00 3.29e+00 ph/cm2/s
90%_error_low -2.54e-01 -1.79e-01 -1.58e-01 -1.09e+00 -4.71e-01 -9.17e-01 ph/cm2/s
90%_error_hi 2.60e-01 1.82e-01 1.79e-01 5.14e-01 4.64e-01 9.48e-01 ph/cm2/s
======================================================================
Special notes of this burst