[vsnet-grb-info 3576] GRB 060807: optical limit

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  5410
SUBJECT: GRB 060807: optical limit
DATE:    06/08/07 15:55:09 GMT
FROM:    Ken ichi Torii at Osaka U  <torii at ess.sci.osaka-u.ac.jp>

K. Torii (Osaka U.) reports on behalf of the ART collaboration:

 The error region of GRB 060807 (De Pasquale et al. GCN 5409) was
observed with the 0.35m ART-3b in Toyonaka, Osaka. Under the bright
moon, 60 s exposures in Ic band were repeated.

 Preliminary analysis does not reveal a new object within the XRT
error region and the following upper limit is derived relative to
USNO-B1.0 I magnitude.

--------------------------------
StartUT		Limit	Exposure
================================
14:44:37	>17.7	60s x 10
================================