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 11:52:32 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger238174
======================================================================
Trigger: 00238174 Segment: 000
BAT Trigger Time: 184888727.104 [s; MET]
Trigger Stop: 184888731.2 [s; MET]
UTC: 2006-11-10T21:58:45.541260 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 323.901585252738 Dec: 6.87708414719814 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.14
Image Trigger?: NO
Rate S/N Ratio: 16.3095064303001 [ if not an image trigger ]
Image S/N Ratio: 8.14
Analysis Position: [ source = BAT ]
RA: 323.901585252738 Dec: 6.87708414719814 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 323.911463636539 Dec: 6.87268728510657 [deg; J2000]
{ 21h 35m 38.8s , +06d 52' 21.7" }
+/- 1.6414889172484 [arcmin] (estimated 90% radius based on SNR)
+/- 0.56189964534397 [arcmin] (formal 1-sigma fit error)
SNR: 14.984269909139
Angular difference between the analysis and refined position is 0.644872 arcmin
Partial Coding Fraction: 1 [ including projection effects ]
Duration
T90: 135.247999995947 +/- 17.5919828326071
Measured from: -14.6719999909401
to: 120.576000005007 [s; relative to TRIGTIME]
T50: 59.8920000195503 +/- 10.8958487411014
Measured from: 0.175999999046326
to: 60.0680000185966 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -7.85600000619888
to: -6.85600000619888 [s; relative to TRIGTIME]
Total Fluence
Measured from: -16.5040000081062
to: 132.675999999046 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.376205 0.655248 0.639648 0.173502
0.053648 0.056006 0.049559 0.042655 [error]
Peak 0.015325 0.018038 0.025505 0.005339
0.004550 0.004743 0.004455 0.003746 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 149.180 -16.504 132.676
T90 135.248 -14.672 120.576
T50 59.892 0.176 60.068
Peak 1.000 -7.856 -6.856
====== 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 -1.016 -0.151 0.155 - - - 8.43e-04 -7.16e-05 7.14e-05 57.600 57
CPL -0.839 -0.309 0.624 378.049 -378.049 -378.049 1.01e-03 -2.27e-04 8.40e-04 57.310 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 -1.017 -0.373 0.394 - - - 4.02e-03 -9.06e-04 9.03e-04 50.130 57
CPL 0.070 -1.260 2.666 105.184 N/A N/A 1.26e-02 N/A N/A 48.800 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 1.02e-07 2.53e-07 5.01e-07 2.46e-06 1.35e-06 3.32e-06 erg/cm2
90%_error_low -1.77e-08 -2.67e-08 -4.69e-08 -4.98e-07 -1.22e-07 -5.25e-07 erg/cm2
90%_error_hi 1.88e-08 2.63e-08 4.65e-08 5.88e-07 1.23e-07 6.03e-07 erg/cm2
Peak flux PL 1.04e-01 1.40e-01 1.38e-01 2.46e-01 4.63e-01 6.29e-01 ph/cm2/s
90%_error_low -4.25e-02 -3.88e-02 -3.43e-02 -1.07e-01 -1.06e-01 -1.51e-01 ph/cm2/s
90%_error_hi 4.93e-02 3.79e-02 3.38e-02 1.52e-01 1.06e-01 1.62e-01 ph/cm2/s
Fluence CPL 9.78e-08 2.56e-07 5.10e-07 1.93e-06 1.34e-06 2.80e-06 erg/cm2
90%_error_low -2.24e-08 -2.80e-08 -5.37e-08 -9.86e-07 -1.30e-07 -9.83e-07 erg/cm2
90%_error_hi 1.64e-08 2.86e-08 5.59e-08 6.57e-07 1.29e-07 1.19e-06 erg/cm2
Peak flux CPL 8.00e-02 1.49e-01 1.54e-01 9.59e-02 4.43e-01 4.79e-01 ph/cm2/s
90%_error_low -5.26e-02 -4.48e-02 -4.14e-02 -9.59e-02 -1.12e-01 -1.41e-01 ph/cm2/s
90%_error_hi 5.97e-02 4.56e-02 4.44e-02 2.02e-01 1.11e-01 2.36e-01 ph/cm2/s
======================================================================
Special notes of this burst