GCN Circular 6184
Subject
GRB 070306, optical observation
Event
Date
2007-03-09T16:31:09Z (19 years ago)
From
Shouta Maeno at U.of Miyazaki <shouta@astro.miyazaki-u.ac.jp>
S.Maeno, E.Sonoda, R.Hara, H.Tanaka, K.Tanaka, T.Matsumura, M.Yamauchi
(University of Miyazaki)
We have observed the field covering the error region of
GRB 070306 (GCN 6169) with the unfiltered CCD camera on
the 30-cm telescope at University of Miyazaki.
The observation was started from 16:43:36 UT on Mar. 6
(128 s after the trigger).
We have compared our data of 30 sec exposures
with the USNO-A2.0 catalog.
There is no new source at the XRT position(GCN 6172).
The upper limit is as follows:
--------------------------------------------------------------
Start(UT) End(UT) Num. of frames Limit (mag.)
--------------------------------------------------------------
16:43:36 16:44:06 1 ~15.8
16:45:24 16:59:40 9 ~17.0
---------------------------------------------------------------