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: Sun Nov 30 03:03:29 EST 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: 291082891.2
UTC: 2010-03-24T00:21:25.559 [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: 98.6382395628 Dec: -9.72261050988 [deg; J2000]
{ 06h 34m 33.2s , -9d -43' -21.4" }
+/- 2.74722149803 [arcmin] (estimated 90% radius based on SNR)
SNR: 7.18098850388
Angular difference between the analysis and refined position is Usage: arcmin
Partial Coding Fraction: 1.015625e+00 [ including projection effects ]
Duration
T90: 6.40000003576279 +/- 1.6
Measured from: 0
to: 6.4 [s; relative to TRIGTIME]
T50: 3.19999998807907 +/- 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 3.500 4.500
====== 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 -2.280 -0.489 0.411 - - - 1.23e-03 -4.24e-04 4.16e-04 52.320 57
CPL -1.404 -0.678 2.688 23.773 N/A N/A 4.54e-03 N/A N/A 51.780 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 -3.601 -2.164 1.207 - - - 4.93e-04 -4.93e-04 9.31e-04 61.950 57
CPL -0.921 N/A N/A 9.429 N/A N/A 6.23e-02 N/A N/A 61.500 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 2.11e-08 2.42e-08 1.99e-08 2.75e-08 7.52e-08 9.27e-08 erg/cm2
90%_error_low -5.24e-09 -5.89e-09 -8.62e-09 -1.74e-08 -2.05e-08 -3.15e-08 erg/cm2
90%_error_hi 5.31e-09 5.64e-09 9.81e-09 3.16e-08 2.22e-08 4.29e-08 erg/cm2
Peak flux PL 1.60e-01 4.80e-02 7.91e-03 1.50e-03 2.17e-01 2.17e-01 ph/cm2/s
90%_error_low -6.80e-02 -3.66e-02 -7.91e-03 -1.50e-03 -1.01e-01 -1.01e-01 ph/cm2/s
90%_error_hi 6.78e-02 4.29e-02 2.27e-02 1.34e-02 1.05e-01 1.07e-01 ph/cm2/s
Fluence CPL 2.07e-08 2.66e-08 1.67e-08 5.07e-09 6.78e-08 6.90e-08 erg/cm2
90%_error_low -5.69e-09 N/A -1.13e-08 N/A -1.95e-08 N/A erg/cm2
90%_error_hi 5.54e-09 N/A 1.20e-08 N/A 2.70e-08 N/A erg/cm2
Peak flux CPL 1.60e-01 4.66e-02 7.63e-03 1.66e-03 2.16e-01 2.15e-01 ph/cm2/s
90%_error_low -6.89e-02 -4.66e-02 N/A -1.66e-03 -1.00e-01 -9.95e-02 ph/cm2/s
90%_error_hi 6.67e-02 4.72e-02 N/A 1.59e-02 1.06e-01 1.09e-01 ph/cm2/s
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Special notes of this burst