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GCN Circular 1567

GRB021004: optical observations at Bisei
2002-10-04T17:09:23Z (22 years ago)
Yuji Urata at RIKEN <>
K. Matsumoto (Okayama Univ.), T. Kawabata (BAO), K. Ayani (BAO), Y.
Urata (Titech / RIKEN) and H. Yamaoka (Kyushu Univ.) report:

We are observing the error circle of GRB021004 obtained by HETE-2
(Shirasaki et al. GCN 1565) with the Bisei Astronomical Observatory (BAO)
1.01-m telescope. We have confirmed the optical transient reported by
Fox (GCN 1564). The R-magnitude was about 16.0 at Oct. 4 14:13 UT. The
observation and more accurate photometry are in progress.

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