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: Sun Dec 13 15:59:54 EST 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger663179
======================================================================
Trigger: 00663179 Segment: 000
BAT Trigger Time: 469028703.488 [s; MET]
Trigger Stop: 469028704 [s; MET]
UTC: 2015-11-12T13:44:48.083580 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 2.04524472274834 Dec: -61.6924472596328 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.08
Image Trigger?: NO
Rate S/N Ratio: 12.4899959967968 [ if not an image trigger ]
Image S/N Ratio: 8.08
Analysis Position: [ source = BAT ]
RA: 2.04524472274834 Dec: -61.6924472596328 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 2.05413113118576 Dec: -61.6686535388247 [deg; J2000]
{ 00h 08m 13.0s , -61d 40' 07.2" }
+/- 1.93693293752389 [arcmin] (estimated 90% radius based on SNR)
+/- 0.938569047715317 [arcmin] (formal 1-sigma fit error)
SNR: 11.8291812983459
Angular difference between the analysis and refined position is 1.449857 arcmin
Partial Coding Fraction: 0.5234375 [ including projection effects ]
Duration
T90: 58.8640000224113 +/- 22.7254134084195
Measured from: 0.336000025272369
to: 59.2000000476837 [s; relative to TRIGTIME]
T50: 12.2240000367165 +/- 7.48352002972795
Measured from: 3.82400000095367
to: 16.0480000376701 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.0119999647140503
to: 0.98800003528595 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.0639999508857727
to: 69.0240000486374 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.548395 0.566450 0.371345 0.146588
0.060951 0.062630 0.054617 0.048462 [error]
Peak 0.060782 0.079615 0.058336 0.008903
0.008365 0.008938 0.007771 0.006103 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 69.088 -0.064 69.024
T90 58.864 0.336 59.200
T50 12.224 3.824 16.048
Peak 1.000 -0.012 0.988
====== 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 N/A N/A N/A - - - N/A N/A N/A N/A N/A
CPL N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
=== 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 N/A N/A N/A - - - N/A N/A N/A N/A N/A
CPL N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
=== 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 N/A N/A N/A N/A N/A N/A erg/cm2
Special notes of this burst