[vsnet-grb-info 19264] GRB 170318A: 15 GHz upper limits from AMI

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Fri Mar 31 22:32:11 JST 2017


TITLE:   GCN CIRCULAR
NUMBER:  20956
SUBJECT: GRB 170318A: 15 GHz upper limits from AMI
DATE:    17/03/31 13:30:46 GMT
FROM:    Kunal Mooley at Oxford U  <kunal.mooley at physics.ox.ac.uk>

K. P. Mooley (Hintze Fellow, Oxford), T. D. Staley, R. P. Fender 
(Oxford), G. E. Anderson (Curtin), T. Cantwell (Manchester), D. 
Titterington, S. H. Carey, J. Hickish, Y. C. Perrott, N. Razavi-Ghods, 
P. Scott (Cambridge), K. Grainge, A. Scaife (Manchester)

The AMI Large Array robotically triggered on the Swift alert for GRB 
170318A (Sbarufatti et al., GCN 20904) as part of the 4pisky program, 
and subsequent follow up observations were obtained up to 10 days 
post-burst. Our observations at 15 GHz on 2016 Mar 18.55 and Mar 21.50 
(UT) do not reveal any radio source at the XRT location (Evans et al., 
GCN 20907), with 3sigma upper limits of 159 uJy and 93 uJy respectively.

We thank the AMI staff for scheduling these observations. The AMI-GRB 
database is a log of all GRB follow up observations with the AMI, and is 
available at http://4pisky.org/ami-grb/.



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