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 19:50:16 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger159994
======================================================================
Trigger: 00159994 Segment: 000
BAT Trigger Time: 151180088.768 [s; MET]
Trigger Stop: 151180089.28 [s; MET]
UTC: 2005-10-16T18:28:08.981460 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 132.066883148705 Dec: 13.6575657183825 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.15
Image Trigger?: NO
Rate S/N Ratio: 15.0332963783729 [ if not an image trigger ]
Image S/N Ratio: 7.15
Analysis Position: [ source = BAT ]
RA: 132.066883148705 Dec: 13.6575657183825 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 132.115148740965 Dec: 13.6278363005739 [deg; J2000]
{ 08h 48m 27.6s , +13d 37' 40.2" }
+/- 1.65820546981314 [arcmin] (estimated 90% radius based on SNR)
+/- 0.711811555609928 [arcmin] (formal 1-sigma fit error)
SNR: 14.7689397232232
Angular difference between the analysis and refined position is 3.331921 arcmin
Partial Coding Fraction: 0.7890625 [ including projection effects ]
Duration
T90: 4 +/- 0.448218708535412
Measured from: 0.215999990701675
to: 4.21599999070168 [s; relative to TRIGTIME]
T50: 2.44800001382828 +/- 0.422203731655723
Measured from: 0.599999994039536
to: 3.04800000786781 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.109999984502792
to: 1.10999998450279 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.111999988555908
to: 4.61599999666214 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.153575 0.125178 0.056006 -0.001184
0.012869 0.012984 0.010797 0.009130 [error]
Peak 0.047252 0.067110 0.033850 -0.000811
0.006326 0.006537 0.005409 0.004472 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 4.504 0.112 4.616
T90 4.000 0.216 4.216
T50 2.448 0.600 3.048
Peak 1.000 0.110 1.110
====== 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: 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 -2.337 -0.230 0.213 - - - 3.84e-03 -6.33e-04 6.23e-04 80.660 57
CPL -1.588 -0.621 1.112 20.424 N/A N/A 1.12e-02 N/A N/A 78.340 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 -1.909 -0.215 0.205 - - - 8.97e-03 -1.31e-03 1.29e-03 59.270 57
CPL -0.789 -0.919 1.220 44.925 -5.336 25.974 4.02e-02 -4.02e-02 1.76e-01 54.730 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 4.88e-08 5.41e-08 4.29e-08 5.61e-08 1.67e-07 2.02e-07 erg/cm2
90%_error_low -6.78e-09 -6.38e-09 -9.31e-09 -2.03e-08 -2.20e-08 -3.41e-08 erg/cm2
90%_error_hi 6.88e-09 6.30e-09 9.78e-09 2.69e-08 2.26e-08 3.88e-08 erg/cm2
Peak flux PL 5.47e-01 4.33e-01 2.31e-01 1.79e-01 1.29e+00 1.39e+00 ph/cm2/s
90%_error_low -9.43e-02 -5.32e-02 -4.29e-02 -5.61e-02 -1.60e-01 -1.72e-01 ph/cm2/s
90%_error_hi 9.75e-02 5.32e-02 4.34e-02 6.96e-02 1.60e-01 1.72e-01 ph/cm2/s
Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_low -6.78e-09 -6.38e-09 -9.31e-09 -2.03e-08 -2.20e-08 -3.41e-08 erg/cm2
90%_error_hi 6.88e-09 6.30e-09 9.78e-09 2.69e-08 2.26e-08 3.88e-08 erg/cm2
Peak flux CPL 4.96e-01 4.95e-01 2.27e-01 4.72e-02 1.26e+00 1.27e+00 ph/cm2/s
90%_error_low -1.06e-01 -7.34e-02 -5.69e-02 -4.72e-02 -1.62e-01 -1.67e-01 ph/cm2/s
90%_error_hi 1.07e-01 7.78e-02 5.16e-02 9.10e-02 1.62e-01 1.73e-01 ph/cm2/s
======================================================================
Special notes of this burst