{
  "bibcode": "1999GCN...352....1P",
  "body": "H. Pedersen, J. Hjorth, B. L. Jensen (Copenhagen),  \nA. O. Jaunsen (Oslo), and S. Holland (Aarhus) report on behalf \nof a larger collaboration:\n\n\"We have re-inspected our optical (R-band) images of GRB 990506 \n(GCN #342) obtained on 6.96 May 1999 and 7.91 May 1999 UT. \nWe find no convincing evidence for any stellar or extended \nobject at the position of the proposed radio transient (GCN #350), \nneither in the sum image, nor in subsets. For the first night, \nwe estimate a limiting magnitude of R > 23.5 (for point sources). \nOur images are available upon request.\"",
  "circularId": 352,
  "createdOn": 929549000000,
  "email": "holger@astro.ku.dk",
  "subject": "GRB 990506 - Optical Observations",
  "submitter": "Holger Pedersen at Copenhagen U Obs  <holger@astro.ku.dk>",
  "eventId": "GRB 990506"
}