{
  "bibcode": "2007GCN..6705....1C",
  "body": "Poonam Chandra (NRAO/UVA) and Dale A. Frail (NRAO) report on\nbehalf of the Caltech-NRAO-Carnegie GRB Collaboration:\n\n\n\"We used the Very Large Array to observe the field of view toward\nGRB 070721B (GCN 6640) at a frequency of 8.46 GHz on 2007 Aug 3rd\nat 10.42 UT. The radio afterglow of the GRB is undetected either at\nSwift-XRT position (GCN 6646) or at ESO-VLT position (GCN 6651). \nThe map rms is 29 uJy.\n\n\nThe National Radio Astronomy Observatory is a facility of the National\nScience Foundation operated under cooperative agreement by Associated\nUniversities, Inc.\"",
  "circularId": 6705,
  "createdOn": 1186194307000,
  "email": "pc8s@virginia.edu",
  "subject": "VLA non-detection of GRB 070721B",
  "submitter": "Poonam Chandra at U Virginia/NRAO  <pc8s@virginia.edu>",
  "eventId": "GRB 070721B"
}