{
  "bibcode": "2005GCN..3023....1J",
  "body": "Martin Jelinek, Javier Gorosabel, Alberto J.\nCastro-Tirado, Antonio de Ugarte Postigo, (IAA CSIC,\nGranada), Petr Kubanek, Rene Hudec (ASU AV CR Ondrejov)\nand Stanislav Vitek (FEL CVUT Praha). report:\n\n\nWe have imaged the error box of Swift's GRB 050215b\n[trigger #106107], with the BOOTES-1B facility in\nsouthern Spain. Comparison with the GSC-2 catalogue does\nnot reveal any new source. We report the following\n3-sigma magnitude limits 25.6 minutes (mean obs. time)\nafter trigger:\n\n\tV > 16.5  \n\tI > 15.0\n\non our 600s exposures. \n\n[GCN OPS NOTE (15feb05):  Per author's request, the 050215c was changed \nto 050215b (since the HETE trigger earlier turned out to not be a real GRB.)]",
  "circularId": 3023,
  "createdOn": 1108441381000,
  "email": "mates@asu.cas.cz",
  "subject": "GRB 050215b, BOOTES-1B optical limit",
  "submitter": "Martin Jelinek at Inst.Astrophys.Andalucia,Granada  <mates@asu.cas.cz>",
  "eventId": "GRB 050215B"
}