[vsnet-grb-info 2290] GRB 051021,optical observation

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  4129
SUBJECT: GRB 051021,optical observation
DATE:    05/10/22 09:08:20 GMT
FROM:    Eri Sonoda at U of Miyazaki/Japan  <sonoda at astro.miyazaki-u.ac.jp>

E.Sonoda,S.Maeno,Y.Tokunaga, M.Yamauchi
(University of Miyazaki)


"We have observed the field covering the SXC error box of
GRB051021(HETE trigger 3947; trigger time 13:21:5 UT ) with the
unfiltered CCD camera on the 30-cm telescope at University of
Miyazaki.The observation was started 13:22:30 UT on Oct.21.
We have compared our image with the USNO A2.0 catalog .
Preliminary analysis shows there is no new source brighter than 14.3 mag.
at the position reported by D.B.Fox et al.(GCN4120). "