{
  "bibcode": "2009GCN..9561....1G",
  "body": "J. Gorosabel (IAA-CSIC), P. Kubanek (GACE and IAA-CSIC), S. Mottola  \n(DLR), U. Carsenty (DLR), A. Levan (U. Warwick), M. Jelinek (IAA- \nCSIC), A.J. Castro-Tirado (IAA-CSIC), A. de Ugarte Postigo (ESO, INAF/ \nOAB), report on behalf of a larger collaboration:\n\n\"Following the detection of the short-hard GRB 090621B by SWIFT  \n(Curran et al. GCNC 9545) we carried out I-band observations with the  \n1.23m telescope at Observatory of Calar Alto. The observations were  \ndone on June 22.094-22.161 UT (4.14-5.75 hours post burst) with a  \ntotal exposure time of 22x240s. The candidates reported by Levan et  \nal. (GCNC 9547) and Galeev (GCNC 9549) are preliminarily detected at  \nI~22.5 and I~20.6, respectively, against USNO-B field stars.\"",
  "circularId": 9561,
  "createdOn": 1245701129000,
  "email": "jgu@iaa.es",
  "subject": "GRB 090621B: I-band observations from 1.23m CAHA",
  "submitter": "Javier Gorosabel at IAA-CSIC  <jgu@iaa.es>",
  "eventId": "GRB 090621B"
}