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 May 10 02:16:33 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/ground_detect_bursts/scripts
======================================================================
Trigger: 00376211 Segment: 000
BAT Trigger Time: 280172670.72
UTC: 2009-11-17T17:44:25.451 [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: 30.9584269946 Dec: -16.9458794914 [deg; J2000]
{ 02h 03m 50.0s , -16d -56' -45.2" }
+/- 2.78625836544 [arcmin] (estimated 90% radius based on SNR)
SNR: 7.03769370257
Angular difference between the analysis and refined position is Usage: arcmin
Partial Coding Fraction: 0.07910156 [ including projection effects ]
Duration (found by FRED-model fit)
T90: 0.64 +/- N/A
Measured from: 0.064
to: 0.704 [s; relative to TRIGTIME]
T50: 0.192 +/- N/A
Measured from: 0.192
to: 0.384
====== Table of the duration information =============================
Value tstart tstop
T100 0.960 0.000 0.960
T90 0.640 0.064 0.704
T50 0.192 0.192 0.384
Peak 1.000 -0.244 0.756
====== 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 -0.593 -0.454 0.545 - - - 2.02e-02 -6.22e-03 5.58e-03 55.710 57
CPL -0.592 -0.450 0.559 9999.330 -9999.330 -9999.330 2.04e-02 -5.75e-03 2.85e-02 55.730 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 -0.833 -0.404 0.451 - - - 2.17e-02 -5.35e-03 5.12e-03 58.770 57
CPL -0.751 N/A N/A 911.261 N/A N/A 2.36e-02 N/A N/A 58.880 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 1.07e-08 3.44e-08 9.13e-08 7.08e-07 2.49e-07 8.44e-07 erg/cm2
90%_error_low -6.00e-09 -1.36e-08 -2.11e-08 -3.35e-07 -5.92e-08 -3.43e-07 erg/cm2
90%_error_hi 7.78e-09 1.29e-08 2.10e-08 5.51e-07 5.90e-08 5.40e-07 erg/cm2
Peak flux PL 4.73e-01 7.11e-01 7.98e-01 1.70e+00 2.49e+00 3.68e+00 ph/cm2/s
90%_error_low -2.25e-01 -2.32e-01 -1.83e-01 -7.33e-01 -5.85e-01 -8.85e-01 ph/cm2/s
90%_error_hi 2.74e-01 2.23e-01 1.81e-01 1.06e+00 5.89e-01 9.81e-01 ph/cm2/s
Fluence CPL 1.07e-08 3.50e-08 8.80e-08 7.14e-07 2.48e-07 7.53e-07 erg/cm2
90%_error_low N/A -1.41e-08 -2.78e-08 N/A N/A -3.94e-07 erg/cm2
90%_error_hi N/A 1.24e-08 3.83e-08 N/A N/A 6.12e-07 erg/cm2
Peak flux CPL 4.73e-01 7.10e-01 7.95e-01 1.96e+00 2.49e+00 3.80e+00 ph/cm2/s
90%_error_low N/A N/A N/A N/A -5.85e-01 -1.30e+00 ph/cm2/s
90%_error_hi N/A N/A N/A N/A 5.89e-01 9.15e-01 ph/cm2/s
======================================================================
Special notes of this burst