[vsnet-grb-info 11620] GRB 120305A: Swift spectral lag analysis
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Wed Mar 7 22:17:02 JST 2012
TITLE: GCN CIRCULAR
NUMBER: 13015
SUBJECT: GRB 120305A: Swift spectral lag analysis
DATE: 12/03/07 13:15:04 GMT
FROM: Scott Barthelmy at NASA/GSFC <scott at lheamail.gsfc.nasa.gov>
J. Norris (BSU), S.D. Barthelmy (GSFC) for the BAT Team:
We report the spectral lag analysis for GRB 120305A (GCN Circ. 13004)
based on the BAT data. Using 1-ms binned light curves, the spectral lag
for the 15-25 keV to 50-100 keV bands is 2.0 +0.6/-0.9 msec, and
-2.6 +0.6/-0.4 msec for the 25-50 keV to 100-350 keV bands
for both peaks combined. These lag values place this burst
in the short burst category.
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