TITLE:   GCN CIRCULAR
NUMBER:  14306
SUBJECT: GRB 130313A: Swift-BAT Spectral lag analysis
DATE:    13/03/14 14:46:53 GMT
FROM:    Takanori Sakamoto at AGU  <tsakamoto@phys.aoyama.ac.jp>

J. Norris (BSU), T. Sakamoto (AGU), S. D. Barthelmy (GSFC), N. Gehrels (GSFC)

We report the spectral lag analysis for GRB 130313A (GCN Circ. 14293 & 14296)
based on the BAT data. Using 8-ms binned light curve, the spectral lag 
for the 15-25 keV to 50-100 keV bands is 9.2 (+11.5/-7.7) msec.  
These lag values place this burst in the short burst category. There is no evidence 
for extended emission.