GCN Circular 6705
Subject
VLA non-detection of GRB 070721B
Date
2007-08-04T02:25:07Z (18 years ago)
From
Poonam Chandra at U Virginia/NRAO <pc8s@virginia.edu>
Poonam Chandra (NRAO/UVA) and Dale A. Frail (NRAO) report on
behalf of the Caltech-NRAO-Carnegie GRB Collaboration:
"We used the Very Large Array to observe the field of view toward
GRB 070721B (GCN 6640) at a frequency of 8.46 GHz on 2007 Aug 3rd
at 10.42 UT. The radio afterglow of the GRB is undetected either at
Swift-XRT position (GCN 6646) or at ESO-VLT position (GCN 6651).
The map rms is 29 uJy.
The National Radio Astronomy Observatory is a facility of the National
Science Foundation operated under cooperative agreement by Associated
Universities, Inc."