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GCN Circular 5383

GRB060801: optical upper limit in R
2006-08-01T21:31:40Z (18 years ago)
Gottfried Kanbach at MPE <>
S. Duscha, G. Kanbach, M. Muehlegger, A. Stefanescu, F. Schrey,
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 XRT errorcircle of GRB 060801 (trigger 
#222154, Racusin, et al., GCN Circ. 5378)
on 2006 Aug 01, 19:24 UT (mid-exposure; about 7 hours post burst):
in a 20 min R-filter exposure we do not detect a counterpart candidate 
brighter than R=22.
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