{
  "bibcode": "2009GCN..9326....1O",
  "body": "F. Olivares, J. Greiner, T. Kruehler (all MPE Garching) and S. Klose (TLS) \nreport on behalf of the GROND team:\n\nWe observed the field of GRB 090509 (Swift trigger 351525; Grupe et\nal., GCN #9325) simultaneously in g'r'i'z'JHK with GROND (Greiner et al.\n2008, PASP 120, 405) mounted at the 2.2 m ESO/MPI telescope at La Silla\nObservatory (Chile).\n\nWe detect a bright uncatalogued source in all bands at\n\n16:05:39.01 -28:23:59.7\n\nwith a magnitude of r' = 17.9 at 15 min after the burst, calibrated using \nthe GROND zeropoint.",
  "circularId": 9326,
  "createdOn": 1241848825000,
  "email": "kruehler@mpe.mpg.de",
  "subject": "GRB 090509: GROND afterglow candidate",
  "submitter": "Thomas Kruehler at MPE/MPI  <kruehler@mpe.mpg.de>",
  "eventId": "GRB 090509"
}