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: Sat Oct 4 21:59:07 EDT 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger602803
======================================================================
Trigger: 00602803 Segment: 000
BAT Trigger Time: 425655349.568 [s; MET]
Trigger Stop: 425655350.08 [s; MET]
UTC: 2014-06-28T13:35:37.371060 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 40.6610673055839 Dec: -0.366404468200361 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.01
Image Trigger?: NO
Rate S/N Ratio: 17.0880074906351 [ if not an image trigger ]
Image S/N Ratio: 9.01
Analysis Position: [ source = BAT ]
RA: 40.6610673055839 Dec: -0.366404468200361 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 40.6699823981067 Dec: -0.378926012908259 [deg; J2000]
{ 02h 42m 40.8s , -00d 22' 44.1" }
+/- 0.95685680221616 [arcmin] (estimated 90% radius based on SNR)
+/- 0.320143748950345 [arcmin] (formal 1-sigma fit error)
SNR: 32.395141556453
Angular difference between the analysis and refined position is 0.922254 arcmin
Partial Coding Fraction: 0.734375 [ including projection effects ]
Duration
T90: 10.539999961853 +/- 0.873768858932836
Measured from: -0.364000022411346
to: 10.1759999394417 [s; relative to TRIGTIME]
T50: 4.93199992179871 +/- 0.616116891997613
Measured from: 1.26399999856949
to: 6.19599992036819 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.944000005722046
to: 1.94400000572205 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.24000000953674
to: 11.1159999966621 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.573056 0.826016 0.600934 0.111912
0.029662 0.032887 0.031437 0.032799 [error]
Peak 0.071550 0.128438 0.117457 0.027142
0.008949 0.010282 0.009828 0.009398 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 12.356 -1.240 11.116
T90 10.540 -0.364 10.176
T50 4.932 1.264 6.196
Peak 1.000 0.944 1.944
====== 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 -1.556 -0.089 0.088 - - - 1.14e-02 -5.78e-04 5.75e-04 48.390 57
CPL -1.147 -0.356 0.390 100.068 -27.837 284.552 1.86e-02 -6.31e-03 1.08e-02 44.500 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: CPL)
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 -1.234 -0.141 0.142 - - - 2.36e-02 -2.06e-03 2.05e-03 59.680 57
CPL 0.154 -0.716 0.860 79.390 -13.420 31.910 1.14e-01 -6.21e-02 1.77e-01 47.070 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 1.90e-07 3.38e-07 4.59e-07 1.29e-06 1.33e-06 2.28e-06 erg/cm2
90%_error_low -1.55e-08 -1.68e-08 -3.12e-08 -1.79e-07 -7.36e-08 -2.05e-07 erg/cm2
90%_error_hi 1.59e-08 1.67e-08 3.12e-08 1.98e-07 7.42e-08 2.21e-07 erg/cm2
Peak flux PL 7.54e-01 8.89e-01 7.56e-01 1.09e+00 2.79e+00 3.49e+00 ph/cm2/s
90%_error_low -1.12e-01 -8.55e-02 -7.83e-02 -2.14e-01 -2.44e-01 -3.22e-01 ph/cm2/s
90%_error_hi 1.17e-01 8.49e-02 7.79e-02 2.44e-01 2.44e-01 3.27e-01 ph/cm2/s
Fluence CPL 1.78e-07 3.52e-07 4.65e-07 6.78e-07 1.28e-06 1.67e-06 erg/cm2
90%_error_low -1.84e-08 -2.07e-08 -3.31e-08 -2.72e-07 -8.71e-08 -2.85e-07 erg/cm2
90%_error_hi 1.87e-08 2.11e-08 3.33e-08 4.98e-07 8.73e-08 5.00e-07 erg/cm2
Peak flux CPL 5.73e-01 9.93e-01 8.40e-01 3.23e-01 2.64e+00 2.73e+00 ph/cm2/s
90%_error_low -1.38e-01 -1.06e-01 -9.48e-02 -1.42e-01 -2.56e-01 -2.95e-01 ph/cm2/s
90%_error_hi 1.44e-01 1.08e-01 9.64e-02 2.43e-01 2.55e-01 3.34e-01 ph/cm2/s
======================================================================
Special notes of this burst