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GCN Circular 5333

GRB 060717 optical upper limit
2006-07-17T19:36:43Z (18 years ago)
Alexander Stefanescu at MPE <>
A. Stefanescu, G. Kanbach, S. Duscha, F. Schrey, M. Muehlegger,
N.Prymak, H. Steinle (MPE Garching) of the OPTIMA-Burst team report from 
the 1.3m Skinakas Observatory(University of Crete, Heraklion, Greece):

We observed the position of the refined XRT errorcircle (GCN 5331, 
Capalbi et al.) on 2006-07-17 at 18:55 UT (9:48h post burst). We do not 
detect a counterpart candidate in our 3x600s white light exposures 
brighter than 21mag.
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