[vsnet-grb-info 8667] GRB 091117: OSN I-band observations
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Thu Nov 19 08:37:35 JST 2009
TITLE: GCN CIRCULAR
NUMBER: 10172
SUBJECT: GRB 091117: OSN I-band observations
DATE: 09/11/18 23:37:29 GMT
FROM: Javier Gorosabel at IAA-CSIC <jgu at iaa.es>
V. Casanova (OSN), A.J. Castro-Tirado (IAA-CSIC), A. de Ugarte Postigo
(INAF/OAB), J. Gorosabel (IAA-CSIC), report on behalf of a larger
collaboration:
"We carried out I-band observations of the GRB 091117 error box
(Cummings et al., GCNC 10171) with the 1.5m OSN telescope. The
observations were performed on Nov 18.895-18.958 UT (27.7-29.3 hours
post GRB). Visual comparison with the DSS does not reveal any new
source in the error box brighter than I~20.5."
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