GCN Circular 4658
Subject
GRB060204B, optical observation
Event
Date
2006-02-04T16:51:42Z (20 years ago)
From
Eri Sonoda at U of Miyazaki/Japan <sonoda@astro.miyazaki-u.ac.jp>
E.Sonoda,S.Maeno,Y.Nakamura,S.Masuda,M.Yamauchi
(University of Miyazaki)
We have observed the field covering the error circle of
GRB060204B (GCN 4655) with the unfiltered CCD camera on
the 30-cm telescope at University of Miyazaki.
The observation was started 14:44:39 UT, 10.25 min
after the Swift trigger time.
We have compared our data of 30 sec exposures
with the USNO-A2.0 catalog,
the upper limits are as follows:
--------------------------------------------------------------
Start(UT) End(UT) Num. of frames Limit (mag.)
--------------------------------------------------------------
14:44:39 14:45:09 1 ~15.1
14:44:39 14:48:48 6 ~16.34
---------------------------------------------------------------