{
  "bibcode": "2006GCN..5825....1P",
  "body": "D. A. Perley and J. S. Bloom report,\n\nOn the night of 21 November 2006 (UT), we began spectroscopic \nobservations of GRB061121 at 15:35 UT using Keck I (+LRIS).  The optical \nafterglow is visible in the finder camera in early twilight and is \ndetected in 120-second spectroscopic exposures down to the atmospheric \ncutoff.  Strong absorption features are observed.  Observations are \ncontinuing.",
  "circularId": 5825,
  "createdOn": 1164124029000,
  "email": "dperley@astro.berkeley.edu",
  "subject": "GRB061121: Keck spectroscopic observations",
  "submitter": "Daniel Perley at U.C. Berkeley  <dperley@astro.berkeley.edu>",
  "eventId": "GRB 061121"
}