[vsnet-grb-info 8257] GRB 090813: optical candidate from 1.23m CAHA telescope
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Thu Aug 13 14:01:54 JST 2009
TITLE: GCN CIRCULAR
NUMBER: 9782
SUBJECT: GRB 090813: optical candidate from 1.23m CAHA telescope
DATE: 09/08/13 05:01:48 GMT
FROM: Javier Gorosabel at IAA-CSIC <jgu at iaa.es>
J. Gorosabel, V. Terron, M. Fernandez, P. Kubanek, M. Jelinek, A.J.
Castro-Tirado (IAA-CSIC), on behalf of a larger collaboration, report;
We have carried out I-band observations of the XRT position of GRB
090813 (GCN 9781) with the 1.23m telescope of Calar Alto. The
observations started at 04:18 UT (437 s after the GRB trigger). We
detect an object with a rough magnitude of I~17 coincident with the XRT
position no present on the DSS. We propose that object as the optical
afterglow of GRB 090813.
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