{
  "bibcode": "2001GCN..1186....1M",
  "body": "N. Mirabal & J. P. Halpern (Columbia) report on behalf of the\nMDM Observatory GRB follow-up team:\n\n\"We obtained R-band images on the MDM 1.3m for 2 hours on each\nof the following nights, covering the positions of all ten\nChandra X-ray sources listed by Ricker et al. (GCN #1185):\n\nDec. 6.18\nDec. 7.24\nDec. 9.27\n\nWe detect constant optical counterparts of nine of the ten\nsources.  The source CXOU J030458.7+034702 is not detected\nin any of our images to an approximate limiting magnitude\nR > 23.  Deeper optical images of this location would be\nuseful.\n\nThis message may be cited.\"",
  "circularId": 1186,
  "createdOn": 1008071694000,
  "email": "abulafia@astro.columbia.edu",
  "subject": "GRB 011130: Optical Observations of Chandra sources",
  "submitter": "Nestor Mirabal at Columbia U.  <abulafia@astro.columbia.edu>",
  "eventId": "GRB 011130"
}