[vsnet-grb-info 6075] GRB 080506: NAYUTA Optical Observation
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Mon May 12 23:19:33 JST 2008
TITLE: GCN CIRCULAR
NUMBER: 7709
SUBJECT: GRB 080506: NAYUTA Optical Observation
DATE: 08/05/12 14:19:21 GMT
FROM: Ryo Iizuka at NHAO <iizuka at nhao.go.jp>
S. Maeno, H. Naito, S. Narusawa and R. Iizuka report on behalf of NHAO.
We observed the field of GRB 080506 (GCN 7685) with MINT on the
2.0-m NAYUTA telescope at Nishi-Harima Astronomical Observatory,
Japan. We detected the optical afterglow in R-band on 2008 May 6
17:58:02 UT (701 seconds after the BAT trigger).
The magnitudes relative to the USNO B1.0 catalog are below.
Start(UT) exp(sec) R-mag R-err
--------------------------------------------
02:58:02 150 18.23 0.11
03:03:51 240 18.22 0.12
03:14:22 300 18.51 0.13
03:32:29 300 18.95 0.13
03:53:52 450 19.26 0.13
04:10:55 450 19.64 0.21
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