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 19:34:03 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger164268
======================================================================
Trigger: 00164268 Segment: 000
BAT Trigger Time: 153917479.936 [s; MET]
Trigger Stop: 153917484.032 [s; MET]
UTC: 2005-11-17T10:51:20.091280 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 228.404931238687 Dec: 30.8698475591698 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.84
Image Trigger?: NO
Rate S/N Ratio: 11.6189500386223 [ if not an image trigger ]
Image S/N Ratio: 12.84
Analysis Position: [ source = BAT ]
RA: 228.404931238687 Dec: 30.8698475591698 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 228.400735718175 Dec: 30.8644104012478 [deg; J2000]
{ 15h 13m 36.2s , +30d 51' 51.9" }
+/- 0.942313854386257 [arcmin] (estimated 90% radius based on SNR)
+/- 0.283716357903305 [arcmin] (formal 1-sigma fit error)
SNR: 33.1117277288504
Angular difference between the analysis and refined position is 0.391298 arcmin
Partial Coding Fraction: 0.7265625 [ including projection effects ]
Duration
T90: 140.632000029087 +/- 13.5007752244694
Measured from: -11.1159999966621
to: 129.516000032425 [s; relative to TRIGTIME]
T50: 59.2200000286102 +/- 4.04570686559896
Measured from: 11.7360000014305
to: 70.9560000300407 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.6240000128746
to: 3.6240000128746 [s; relative to TRIGTIME]
Total Fluence
Measured from: -29.6559999883175
to: 156.395999997854 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.646556 2.899123 1.807865 0.332827
0.071634 0.074374 0.065790 0.058406 [error]
Peak 0.036576 0.049305 0.016785 0.004180
0.006132 0.006401 0.005613 0.004765 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 186.052 -29.656 156.396
T90 140.632 -11.116 129.516
T50 59.220 11.736 70.956
Peak 1.000 2.624 3.624
====== 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 -1.817 -0.066 0.066 - - - 2.58e-03 -9.02e-05 8.99e-05 52.230 57
CPL -1.529 -0.261 0.278 80.377 -18.321 224.929 3.59e-03 -9.12e-04 1.33e-03 48.670 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 -2.007 -0.316 0.289 - - - 6.07e-03 -1.36e-03 1.33e-03 50.930 57
CPL -0.327 -1.429 2.625 38.074 -13.215 18.595 6.42e-02 -6.42e-02 3.32e+00 46.620 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 8.26e-07 1.25e-06 1.42e-06 3.07e-06 4.42e-06 6.57e-06 erg/cm2
90%_error_low -4.90e-08 -4.31e-08 -6.84e-08 -3.13e-07 -1.57e-07 -3.64e-07 erg/cm2
90%_error_hi 5.01e-08 4.29e-08 6.84e-08 3.37e-07 1.57e-07 3.82e-07 erg/cm2
Peak flux PL 4.07e-01 3.04e-01 1.51e-01 1.07e-01 9.13e-01 9.70e-01 ph/cm2/s
90%_error_low -9.04e-02 -5.26e-02 -4.25e-02 -4.75e-02 -1.56e-01 -1.69e-01 ph/cm2/s
90%_error_hi 9.37e-02 5.25e-02 4.42e-02 6.62e-02 1.56e-01 1.70e-01 ph/cm2/s
Fluence CPL 7.82e-07 1.28e-06 1.43e-06 2.00e-06 4.30e-06 5.49e-06 erg/cm2
90%_error_low -6.19e-08 -4.95e-08 -7.14e-08 -6.10e-07 -1.89e-07 -6.48e-07 erg/cm2
90%_error_hi 6.31e-08 5.00e-08 7.18e-08 9.44e-07 1.89e-07 9.61e-07 erg/cm2
Peak flux CPL 3.67e-01 3.68e-01 1.32e-01 1.34e-02 8.79e-01 8.80e-01 ph/cm2/s
90%_error_low -1.02e-01 -7.50e-02 N/A -1.34e-02 -1.57e-01 -1.58e-01 ph/cm2/s
90%_error_hi 1.03e-01 8.13e-02 N/A 6.42e-02 1.57e-01 1.61e-01 ph/cm2/s
======================================================================
Special notes of this burst