[vsnet-grb-info 4552] GRB 070419A: NAYUTA Optical Observation
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Fri Apr 20 01:21:14 JST 2007
TITLE: GCN CIRCULAR
NUMBER: 6316
SUBJECT: GRB 070419A: NAYUTA Optical Observation
DATE: 07/04/19 16:21:08 GMT
FROM: Ryo Iizuka at NHAO <iizuka at nhao.go.jp>
R. Iizuka, K. Matsuda, H. Naito and F. Tsumuraya
report on behalf of NHAO.
We observed the field of GRB 070419A (GCN 6302) with MINT
on the 2.0-m NAYUTA telescope at Nishi-Harima Astronomical
Observatory, Japan. We took images for a total of 100 sec in
R-band filter on 2007 Apr 19 10:55 UT (56 minutes after the burst).
The afterglow was detected with 20.1 mag relative to USNO-B stars.
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