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 13:32:22 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger230662
======================================================================
Trigger: 00230662 Segment: 000
BAT Trigger Time: 180681136.832 [s; MET]
Trigger Stop: 180681137.856 [s; MET]
UTC: 2006-09-23T05:12:15.370360 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 254.6230284423 Dec: 12.3791714036898 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.22
Image Trigger?: NO
Rate S/N Ratio: 11.8743420870379 [ if not an image trigger ]
Image S/N Ratio: 7.22
Analysis Position: [ source = BAT ]
RA: 254.6230284423 Dec: 12.3791714036898 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 254.61872958484 Dec: 12.3441554062994 [deg; J2000]
{ 16h 58m 28.5s , +12d 20' 39.0" }
+/- 2.16323126997615 [arcmin] (estimated 90% radius based on SNR)
+/- 0.936650505286851 [arcmin] (formal 1-sigma fit error)
SNR: 10.1018258432006
Angular difference between the analysis and refined position is 2.116013 arcmin
Partial Coding Fraction: 0.3398438 [ including projection effects ]
Duration
T90: 58.4920000135899 +/- 7.12725051867745
Measured from: -40.7360000014305
to: 17.7560000121593 [s; relative to TRIGTIME]
T50: 38.7680000066757 +/- 25.4348790991392
Measured from: -33.6999999880791
to: 5.06800001859665 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.0320000052452087
to: 1.03200000524521 [s; relative to TRIGTIME]
Total Fluence
Measured from: -42.2519999742508
to: 21.4640000164509 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.539751 0.712181 0.366491 -0.014827
0.076747 0.076332 0.064288 0.052869 [error]
Peak 0.041774 0.063633 0.052144 0.014745
0.010236 0.010654 0.009253 0.007332 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 63.716 -42.252 21.464
T90 58.492 -40.736 17.756
T50 38.768 -33.700 5.068
Peak 1.000 0.032 1.032
====== 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 -1.783 -0.221 0.213 - - - 1.66e-03 -2.40e-04 2.37e-04 72.130 57
CPL -0.276 -1.080 1.494 50.803 -9.259 23.034 1.12e-02 -1.12e-02 6.37e-02 65.880 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 -1.450 -0.312 0.310 - - - 1.11e-02 -2.04e-03 2.03e-03 51.860 57
CPL -0.893 -0.830 1.561 102.161 -45.175 -102.161 2.10e-02 -1.16e-02 9.43e-02 51.250 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 1.77e-07 2.73e-07 3.18e-07 7.11e-07 9.77e-07 1.48e-06 erg/cm2
90%_error_low -3.31e-08 -3.54e-08 -5.98e-08 -2.36e-07 -1.43e-07 -3.05e-07 erg/cm2
90%_error_hi 3.44e-08 3.54e-08 6.03e-08 3.01e-07 1.45e-07 3.54e-07 erg/cm2
Peak flux PL 4.37e-01 4.53e-01 3.31e-01 3.90e-01 1.37e+00 1.61e+00 ph/cm2/s
90%_error_low -1.32e-01 -8.97e-02 -7.46e-02 -1.54e-01 -2.53e-01 -2.94e-01 ph/cm2/s
90%_error_hi 1.44e-01 8.81e-02 7.34e-02 2.05e-01 2.54e-01 2.96e-01 ph/cm2/s
Fluence CPL 1.49e-07 3.23e-07 3.15e-07 1.12e-07 8.73e-07 8.99e-07 erg/cm2
90%_error_low -4.01e-08 -4.98e-08 -7.84e-08 N/A -1.48e-07 -1.70e-07 erg/cm2
90%_error_hi 4.03e-08 5.27e-08 7.32e-08 N/A 1.59e-07 2.90e-07 erg/cm2
Peak flux CPL 3.92e-01 4.75e-01 3.49e-01 2.20e-01 1.34e+00 1.44e+00 ph/cm2/s
90%_error_low -1.63e-01 -1.02e-01 -8.36e-02 -2.20e-01 -2.65e-01 -3.28e-01 ph/cm2/s
90%_error_hi 1.70e-01 1.07e-01 8.80e-02 2.29e-01 2.63e-01 3.55e-01 ph/cm2/s
======================================================================