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The 6m mm-VLBI telescope at Kagoshima, Japan

Published online by Cambridge University Press:  12 April 2016

Toshihiro Omodaka ,
Masaki Morimoto ,
Noriyuki Kawaguchi ,
Yoshimi Kitamura ,
Minoru Tanaka ,
Seisuke Kuji ,
Keisuke Miyazawa ,
Takeshi Miyaji ,
Hiroshi Mikoshiba  and
Risao Hayashi
...Show all authors
Toshihiro Omodaka
Affiliation:
College of Liberal Arts, Kagoshima University, Japan
Masaki Morimoto
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan
Noriyuki Kawaguchi
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan
Yoshimi Kitamura
Affiliation:
School of Allied Medical Sciences, Kagoshima University, Japan
Minoru Tanaka
Affiliation:
Faculty of Sciences, Kagoshima University, Japan
Seisuke Kuji
Affiliation:
Division of Earth Rotation, National Astronomical Observatory, Japan
Keisuke Miyazawa
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan
Takeshi Miyaji
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan
Hiroshi Mikoshiba
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan
Risao Hayashi
Affiliation:
Faculty of Engineering, Kagoshima University, Japan
Takahiro Kitagawa
Affiliation:
Faculty of Engineering, Kagoshima University, Japan
Jyunya Maneki
Affiliation:
Faculty of Engineering, Kagoshima University, Japan
Tomoya Suzuyama
Affiliation:
Faculty of Engineering, Kagoshima University, Japan
Makoto Inoue
Affiliation:
Nobeyama Radio Observatory, National Astronomical Observatory, Japan
Mitsumi Fujishita
Affiliation:
School of Engineering, Kyushu Tokai University, Japan
Tetsuo Sasao
Affiliation:
Division of Earth Rotation, National Astronomical Observatory, Japan
Ley Furuya
Affiliation:
Faculty of Sciences, Kagoshima University, Japan
Kazuhide Miyasato
Affiliation:
School of Engineering, Kyushu Tokai University, Japan
Takaaki Jike
Affiliation:
Faculty of Sciences, Kagoshima University, Japan

Extract

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VLBI observations of millimeter wavelengths can probe the broad line emission and jet forming regions of quasars, and the scale of an accretion disk around massive black holes in nearby active galaxies, which are self-absorbed at longer wavelengths. Therefore, the extension of the mm-VLBI network is timely and urgent problem. We are now planning to move Nobeyama 6 m mm VLBI telescope to Kagoshima. The telescope will be placed at Kinkohwan park in Kagoshima City in late 1992 and will be operated in 1993. The frequencies for VLBI observations will range from 22 GHz to 100 GHz.

To date, there are two mm-VLBI facilities in Japan: Nobeyama 45 m and Kashima 34 m, However, the longest baseline is only about 200km EW which provides a fringe separation of 17 mas. This is not sufficient for high resolution mapping. A 10 m telescope which is under construction at Mizusawa, 400 km north from Kashima which will be usable up to 43 GHz and will add a north-south baseline, which is very important for astrometrie measurement.

Type
1. Recent Developments and Upgrading Plans for the Near Future
Information
International Astronomical Union Colloquium , Volume 140: Astronomy with Millimeter and Submillimeter Wave Interferometry , 1994 , pp. 64 - 65
Copyright
Copyright © Astronomical Society of the Pacific 1994

References

1. Kawaguchi, N.: 1991, FRONTIERS OF VLBI, eds. Hirabayashi, H., In-oue, M. and Kobayashi, H., Universal Academy Press, Tokyo, Japan, p. 269. Google Scholar