[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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