TITLE: GCN CIRCULAR NUMBER: 9889 SUBJECT: GRB 090902B: VLA radio detection DATE: 09/09/04 13:23:07 GMT FROM: Poonam Chandra at U Virginia/NRAO Poonam Chandra (RMC) and Dale A. Frail (NRAO) report on behalf of a larger collaboration: "We used the Very Large Array (VLA) to observe the field of view towards the GRB 090902B (GCN 9866) at a frequency of 8.46 GHz on 2009 Sep. 03.94 UT. We clearly detect the GRB afterglow at the GROND NIR afterglow position (GCN 9874) at a flux density of 141+/-39 uJy. Further observations are planned. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc."