{
  "bibcode": "2005GCN..3863....1M",
  "body": "C. MacLeod, M. Nysewander report on behalf of the UNC team of the FUN GRB\nCollaboration:\n\n\nWe have observed the position of the GRB 050820a afterglow reported by Fox\net al. (GCN 3829).  We detect the afterglow in RcIc:\n\nMean Time      Integration    Filter  Magnitude       Telescope\nSince GRB      Time\n\n2.2 hr         39 x 40 sec    Ic      17.40 +/- .08   PROMPT-3\n2.2 hr         22 x 30 sec    Rc      17.64 +/- .09   PROMPT-5\n21.5 hr        136 x 40 sec   Ic      18.42 +/- .11   PROMPT-3\n21.7 hr        179 x 30 sec   Rc      20.06 +/- .31   PROMPT-5\n\nRc and Ic calibrations were made relative to 7 calibration stars posted by\nHenden (GCN 3845).\n\nPROMPT is still being built and commissioned.",
  "circularId": 3863,
  "createdOn": 1124832122000,
  "email": "chelseam@physics.unc.edu",
  "subject": "GRB050820a: PROMPT RcIc Observations",
  "submitter": "Chelsea Louise MacLeod at UNC-Chapel Hill/PROMPT  <chelseam@physics.unc.edu>",
  "eventId": "GRB 050820A"
}