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GCN Circular 9820

GRB 090813: I-band observations from 1.5m OSN telescope
2009-08-17T15:09:25Z (15 years ago)
Javier Gorosabel at IAA-CSIC <>
J. Gorosabel (IAA-CSIC), A. de Ugarte Postigo (INAF-OAB), A. Sota (IAA- 
CSIC),  S. Guziy (IAA-CSIC),  M. Jelinek (IAA-CSIC), P. Kubanek (IAA- 
CSIC & IPL Univ. Valencia), A.J. Castro-Tirado (IAA-CSIC), report;

We performed I-band observations of the GRB 090813 optical afterglow  
(Gorosabel et al. GCN 9782; Cenko et al. GCN 9783; Smith et al. GCN  
9784) with the 1.5m telescope of Observatorio de Sierra Nevada. The  
observations were carried on Aug 13.8979 - 13.9667 UT with a total  
exposure time of 4950 seconds. No object brigther than I = 21.9 was  
detected at the afterglow position.
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