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 14:33:54 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger222683
======================================================================
Trigger: 00222683 Segment: 000
BAT Trigger Time: 176446070.528 [s; MET]
Trigger Stop: 176446074.624 [s; MET]
UTC: 2006-08-05T04:47:49.167340 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 220.918978393931 Dec: 12.5923851602665 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.64
Image Trigger?: NO
Rate S/N Ratio: 10.7238052947636 [ if not an image trigger ]
Image S/N Ratio: 7.64
Analysis Position: [ source = BAT ]
RA: 220.918978393931 Dec: 12.5923851602665 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 220.919 Dec: 12.5924 [deg; J2000]
{ 14h 43m 40.6s , +12d 35' 32.6" }
+/- 2.65704343405 [arcmin] (estimated 90% radius based on SNR)
SNR: 7.53167214015
Angular difference between the analysis and refined position is 0.001547 arcmin
Partial Coding Fraction: 0.9609375 [ including projection effects ]
Duration
T90: 4.92799997329712 +/- 1.3535848370652
Measured from: -0.967999994754791
to: 3.95999997854233 [s; relative to TRIGTIME]
T50: 1.85599997639656 +/- 1.57673080027528
Measured from: 1.22400000691414
to: 3.0799999833107 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.715999990701675
to: 1.71599999070168 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.22400000691414
to: 4.52000001072884 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.058040 0.073028 0.019956 -0.001675
0.011148 0.011449 0.009955 0.008474 [error]
Peak 0.013319 0.021062 0.007894 -0.000102
0.004809 0.004973 0.004196 0.003521 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 5.744 -1.224 4.520
T90 4.928 -0.968 3.960
T50 1.856 1.224 3.080
Peak 1.000 0.716 1.716
====== 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 -2.106 -0.403 0.356 - - - 1.37e-03 -4.00e-04 3.94e-04 62.310 57
CPL 0.494 -2.252 7.380 31.941 -7.448 12.564 7.07e-02 -7.07e-02 8.47e+03 58.200 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 -1.684 -0.575 0.543 - - - 2.35e-03 -9.20e-04 9.03e-04 53.050 57
CPL 0.481 -1.358 -0.481 43.330 -15.306 17.308 4.72e-02 -4.72e-02 1.76e+05 50.330 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 1.78e-08 2.27e-08 2.11e-08 3.44e-08 7.31e-08 9.58e-08 erg/cm2
90%_error_low -4.38e-09 -4.97e-09 -7.79e-09 -1.93e-08 -1.87e-08 -3.12e-08 erg/cm2
90%_error_hi 4.47e-09 4.88e-09 8.57e-09 3.16e-08 2.00e-08 4.13e-08 erg/cm2
Peak flux PL 1.15e-01 1.04e-01 6.49e-02 6.16e-02 3.10e-01 3.46e-01 ph/cm2/s
90%_error_low -5.32e-02 -3.64e-02 -3.23e-02 -6.16e-02 -1.08e-01 -1.22e-01 ph/cm2/s
90%_error_hi 5.81e-02 3.63e-02 3.19e-02 7.32e-02 1.08e-01 1.26e-01 ph/cm2/s
Fluence CPL 1.70e-08 2.93e-08 8.88e-09 1.99e-10 5.53e-08 5.55e-08 erg/cm2
90%_error_low -5.02e-09 -7.47e-09 -7.92e-09 N/A -1.46e-08 -1.48e-08 erg/cm2
90%_error_hi 4.97e-09 7.60e-09 1.54e-08 N/A 2.22e-08 2.64e-08 erg/cm2
Peak flux CPL 8.95e-02 1.72e-01 1.24e-02 1.72e-06 2.74e-01 2.74e-01 ph/cm2/s
90%_error_low -5.31e-02 -6.57e-02 -1.24e-02 -1.72e-06 -9.37e-02 -9.38e-02 ph/cm2/s
90%_error_hi 6.74e-02 6.03e-02 6.87e-02 2.18e-02 1.03e-01 1.03e-01 ph/cm2/s
======================================================================
Special notes of this burst