{
  "bibcode": "2011GCN.12537....1C",
  "body": "R. Chornock, E. Berger (Harvard), and D. Fox (Penn St.) report:\n\nWe obtained spectroscopy of the optical afterglow of GRB 111107A (Siegel \net al., GCN 12534; LaCluyze et al., GCN 12535; Kruehler et al., GCN \n12536) using GMOS-South on the Gemini-South 8-m telescope.  Observations \nbegan at 05:05 UT (4.2 hrs after the BAT trigger).  Inspection of the \nfirst two exposures (range 4160-8140 Angstroms) reveals a damped \nLyman-alpha absorber as well as narrow absorption lines of C IV, Al II, \nand C II at a common redshift of 2.893.",
  "circularId": 12537,
  "createdOn": 1320647461000,
  "email": "rchornock@cfa.harvard.edu",
  "subject": "GRB 111107A: Gemini-South Redshift",
  "submitter": "Ryan Chornock at Harvard  <rchornock@cfa.harvard.edu>",
  "eventId": "GRB 111107A"
}