{
  "bibcode": "2008GCN..8463....1S",
  "body": "A. Stefanescu, N. Primak, F. Schrey, G. Kanbach, A. Slowikowska, H.\nSteinle, A. Updike and N. Lewandowski of the OPTIMA-Burst Team report\nthe following:\n\nOPTIMA-Burst at the 1.3m Skinakas Observatory, of the University of\nCrete and the Foundation for Research and Technolgy -- Hellas observed\nthe location of the XRT error-circle of GRB 081102 (GCN Circ 8462, T. N.\nUkwatta et al.), starting at 2008-11-02 18:02:23 UT (~18 min after the\nburst).\n\nWe did not detect any source inside the XRT error-circle in several\nco-added short (10-50s) white-light target acquisition frames taken\nunder adverse conditions.\n\nOur limit is as follows:\n\nt-t_0 (mid-exp)       t_exp     limit (white light)\n1276s                 210s      18.5\n\nObservations are ongoing.",
  "circularId": 8463,
  "createdOn": 1225661544000,
  "email": "astefan@mpe.mpg.de",
  "subject": "GRB 081102: OPTIMA-Burst optical upper limit",
  "submitter": "Alexander Stefanescu at MPE  <astefan@mpe.mpg.de>",
  "eventId": "GRB 081102"
}