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 GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Wed Jan 22 21:49:13 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger143708
======================================================================
Trigger: 00143708 Segment: 000
BAT Trigger Time: 141910979.072 [s; MET]
Trigger Stop: 141910980.096 [s; MET]
UTC: 2005-07-01T11:42:59.472220 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 227.286665301381 Dec: -59.4186472467233 [deg; J2000]
Catalogged Source?: YES
Point Source?: YES
GRB Indicated?: NO [ by BAT flight software ]
Image S/N Ratio: 14.22
Image Trigger?: NO
Rate S/N Ratio: 26.3628526529281 [ if not an image trigger ]
Image S/N Ratio: 14.22
Analysis Position: [ source = BAT ]
RA: 227.286665301381 Dec: -59.4186472467233 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 227.244707200737 Dec: -59.4002520490514 [deg; J2000]
{ 15h 08m 58.7s , -59d 24' 00.9" }
+/- 2.12745724446889 [arcmin] (estimated 90% radius based on SNR)
+/- 1.05145821860101 [arcmin] (formal 1-sigma fit error)
SNR: 10.345363389834
Angular difference between the analysis and refined position is 1.691011 arcmin
Partial Coding Fraction: 0.6796875 [ including projection effects ]
Duration
T90: 21.6960000097752 +/- 9.94378159478707
Measured from: -3.64800000190735
to: 18.0480000078678 [s; relative to TRIGTIME]
T50: 7.74400001764297 +/- 0.641760070223944
Measured from: -0.0119999945163727
to: 7.7320000231266 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 7.36399999260902
to: 8.36399999260902 [s; relative to TRIGTIME]
Total Fluence
Measured from: -4.73199999332428
to: 28.4079999923706 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.701489 0.925556 0.564948 0.165227
0.031706 0.032800 0.028640 0.024377 [error]
Peak 0.090507 0.124604 0.097765 0.039742
0.006585 0.007245 0.006473 0.005329 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 33.140 -4.732 28.408
T90 21.696 -3.648 18.048
T50 7.744 -0.012 7.732
Peak 1.000 7.364 8.364
====== 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 -1.684 -0.085 0.084 - - - 4.43e-03 -2.07e-04 2.06e-04 61.470 57
CPL -1.573 -0.186 0.333 186.154 N/A N/A 5.06e-03 N/A N/A 61.110 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 -1.339 -0.116 0.117 - - - 2.28e-02 -1.43e-03 1.43e-03 56.930 57
CPL -1.338 -0.115 0.203 9999.270 -9999.270 -9999.270 2.29e-02 -1.43e-03 5.02e-03 56.980 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 2.23e-07 3.66e-07 4.56e-07 1.13e-06 1.36e-06 2.17e-06 erg/cm2
90%_error_low -1.71e-08 -1.68e-08 -2.89e-08 -1.47e-07 -6.71e-08 -1.71e-07 erg/cm2
90%_error_hi 1.75e-08 1.67e-08 2.89e-08 1.62e-07 6.76e-08 1.83e-07 erg/cm2
Peak flux PL 8.04e-01 8.90e-01 7.04e-01 9.19e-01 2.74e+00 3.32e+00 ph/cm2/s
90%_error_low -9.42e-02 -6.27e-02 -5.53e-02 -1.47e-01 -1.74e-01 -2.15e-01 ph/cm2/s
90%_error_hi 9.75e-02 6.21e-02 5.49e-02 1.65e-01 1.74e-01 2.17e-01 ph/cm2/s
Fluence CPL 2.19e-07 3.70e-07 4.58e-07 9.35e-07 1.35e-06 1.98e-06 erg/cm2
90%_error_low -2.05e-08 -1.95e-08 -2.96e-08 -3.69e-07 -7.85e-08 -3.77e-07 erg/cm2
90%_error_hi 1.78e-08 2.01e-08 2.99e-08 2.39e-07 7.72e-08 2.52e-07 erg/cm2
Peak flux CPL 8.04e-01 8.91e-01 7.04e-01 9.15e-01 2.74e+00 3.33e+00 ph/cm2/s
90%_error_low -9.44e-02 -6.29e-02 N/A N/A -1.74e-01 -2.74e-01 ph/cm2/s
90%_error_hi 9.75e-02 6.20e-02 N/A N/A 1.74e-01 1.81e-01 ph/cm2/s
======================================================================
Special notes of this burst