{
  "bibcode": "2009GCN..9589....1K",
  "body": "P. Kubanek (IAA-CSIC & GACE), N. Morales (IAA-CSIC), J.L. Ortiz\n(IAA-CSIC), A. de Ugarte Postigo (ESO, INAF/OAB), J. Gorosabel (IAA-CSIC),\nA.J. Castro-Tirado (IAA-CSIC), M. Jelinek (IAA-CSIC), report on behalf of\na larger collaboration:\n\nWe carried out R-band observations of the GRB 090628 XRT position\n(Sbarufatti et al., GCN 9586) with the 1.23m Calar Alto telescope. The\nobservations were done on June 28.9486-29.0225 UT (1.43-3.20 hours post\nGRB) with an exposure time of 3120s. A quick inspection of the XRT error\nbox reveals no object brighter than R ~ 22.",
  "circularId": 9589,
  "createdOn": 1246247793000,
  "email": "jgu@iaa.es",
  "subject": "GRB 090628: 1.23m CAHA optical observations",
  "submitter": "Javier Gorosabel at IAA-CSIC  <jgu@iaa.es>",
  "eventId": "GRB 090628"
}