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Radio Astronomical Observatories in Japan

Tohoku

Kanto

Koshinetsu

Hokuriku/Tokai/Kansai

Chugoku/Shikoku

Kyushu/Okinawa

Overseas

     



  • Please refrain from using devices equipped with UWB wireless systems near the radio astronomy facilities marked with .
    Please refer to the Ministry of Internal Affairs and Communications website for details on operational restrictions.

  • The icon denotes facilities that have been designated by the Ministry of Internal Affairs and Communications for protection as a radio astronomy facility under Radio Law Article 56-1, which ensures that the operation of recognized radio astronomy facilities will not be obstructed by other services.

  • The icon denotes telescopes open to the public. Please check each website for details.

  • Names with * are unofficial translation.

Tohoku

Mizusawa VLBI Observatory
NAOJ

Operated by
NAOJ
Location
Oshu City, Iwate
直径 10 m アンテナ写真 直径 20 m(VERA水沢観測局)アンテナ写真
Antenna type Size (diameter, effective area) Remarks
Parabola 10 m in diameter Left Photo (not displayed on mobile devices)
Parabola 20 m in diameter Right Photo.VERA : VLBI Exploration of Radio Astrometry
Kawatabi observatory
PPARC Tohoku University

Operated by
Graduate School of Science, Tohoku University
Location
Osaki City, Miyagi

アンテナ写真
© Graduate School of Science, Tohoku University

Antenna type Size (diameter, effective area) Remarks
5-element cross Yagi antenna Antenna length 7 m Two antennas are installed on one mount.
9-element cross log-periodic antenna Antenna length 7 m

For more information, please visit the website here (Japanese Language).


Yoneyama observatory
PPARC Tohoku University

Operated by
Graduate School of Science, Tohoku University
Location
Tome City, Miyagi

アンテナ写真
© Graduate School of Science, Tohoku University

Antenna type Size (diameter, effective area) Remarks
5-element cross Yagi antenna Antenna length 7 m Two antennas are installed on one mount.
9-element cross log periodic antenna Antenna length 7 m

For more information, please visit the website here (Japanese Language).


Zao observatory
PPARC Tohoku University

Operated by
Graduate School of Science, Tohoku University
Location
Zao Town, Katta, Miyagi

5素子クロス八木アンテナ写真 16素子ログペリ 27素子クロス八木アンテナ写真

© Graduate School of Science, Tohoku University

Antenna type Size (diameter, effective area) Remarks
5-element cross Yagi antenna Antenna length 7 m Left photo(Center photo displayed on mobile devices)
These three antennas are installed on one tower without using a drive unit as a precaution against the strong winds; instead they are used in turn according to the direction of the observation target.
16-element log periodic antenna × 2 Antenna length 7 m Center photo(not displayed on mobile devices)
4×2 stack・ 27-element cross Yagi antenna Effective area 42 m2 Right photo(not displayed on mobile devices)

For more information, please visit the website here (Japanese Language).


Iitate observatory
PPARC Tohoku University

Operated by
Graduate School of Science, Tohoku University
Location
Iitate Village, Soma, Fukushima

9素子クロスログペリアンテナ写真 9素子クロスログペリアンテナ写真 非対称オフセットパラボラアンテナ写真

© Graduate School of Science, Tohoku University

Antenna type Size (diameter, effective area) Remarks
9 element cross log periodic antenna × 10 (Spectometer and short baseline interferometer) Antenna length 7 m Left and center photos (not displayed on mobile devices.)
Asymmetric offset parabola Effective area 1023 m2 Right photo

For more information, please visit the website here (Japanese Language).


Kanto

VERA Ogasawara Station
NAOJ

Operated by
NAOJ
Location
Chichijima, Ogasawara Village, Tokyo

アンテナ写真

Antenna type Size (diameter, effective area) Remarks
Parabola 20 m in diameter VERA : VLBI Exploration of Radio Astrometry
NICT Koganei station *
National Institute of Information and Communications Technology

Operated by
NICT
Location
Koganei City, Tokyo

パラボラ直径 11 mアンテナ写真 パラボラ直径 2.4 mアンテナ写真

© National Institute of Information and Communications Technology

Antenna type Size (diameter, effective area) Remarks
Parabola 11 m in diameter Left photo
Parabola 2.4 m in diameter Right photo (not displayed on mobile devices)
Ibaraki Station
Ibaraki University and NAOJ

Operated by
Ibaraki University and NAOJ
Locaion
Hitachi City, Takahagi City, Ibaraki

アンテナ写真
© Ibaraki University and NAOJ

Antenna type Size (diameter, effective area) Remarks
Parabola 32 m in diameter In the background in the photo (Hitachi City) 
Parabola 32 m in diameter In the foreground in the photo (Takahagi City)


Nasu radio telescope *
Dempa Tenmongaku kenkyukai

Operated by
Radio Astronomy Research Group *(Dempa Tenmongaku kenkyukai)
Location
Nasushiobara City, Tochigi

アンテナ写真

Antenna type Size (diameter, effective area) Remarks
Spherical surface (Gregorian) 20 m in diameter × 8,
30 m in diameter × 1
Ishioka VLBI station
Ishioka Geodetic Observing Station (iGOS)
Geospatial Information Authority of Japan

Operated by
Geospatial Information Authority of Japan
Location
Negoya, Ishioka City, Ibaraki

アンテナ写真

© Geospatial Information Authority of Japan

Antenna type Size (diameter, effective area) Remarks
Parabola (ring focus) 13.2 m in diameter

Koshinetsu

Nobeyama Radio Observatory
NAOJ

Operated by
NAOJ
Location
Nobeyama, Minamimaki Village, Minamisaku, Nagano

パラボラ(単一鏡)45 mアンテナ写真 パラボラ(干渉計)10m×6台アンテナ写真


Antenna type Size (diameter, effective area) Remarks
Parabola (single mirror) 45 m in diameter Left photo
Parabola (interferometer) 10 m in diameter × 6 Right photo.Operation ended. (not displayed on mobile devices.)
Antenna type Size (diameter, effective area) Remarks
Parabola (polarizer) 3 m in diameter
Parabola (polarizer) 2 m in diameter
Parabola (polarizer) 1.5 m in diameter
Parabola (polarizer) 85 cm in diameter × 2
Parabola (polarizer) 30 cm in diameter
Parabola (polarizer) 25 cm in diameter
JAXA
Usuda Deep Space Center

Operated by
JAXA(Japan Aerospace Exploration Agency)
Location
Saku City, Nagano

アンテナ写真

© Japan Aerospace Exploration Agency

Antenna type Size (diameter, effective area) Remarks
Parabola 64 m in diameter
JAXA
Misasa Deep Space Station

Operated by
JAXA(Japan Aerospace Exploration Agency)
Location
Saku City, Nagano

美笹局のアンテナ
© Japan Aerospace Exploration Agency

Antenna type Size (diameter, effective area) Remarks
Parabola 54 m in diameter
Nobeyama station*
Osaka Metropolitan University

Operated by
Osaka Metropolitan University
Location
Nobeyama, Minamimaki Village, Minamisaku, Nagano

アンテナ写真
© Osaka Metropolitan University

Antenna type Size (diameter, effective area) Remarks
Cassegrain Nasmyth 1.85 m in diameter
Kiso Observatory
ISEE, Nagoya University

Operated by
ISEE (Institute for Space-Earth Environmental Research), Nagoya University
Location
Kiso Town, Nagano

アンテナ写真

© Nagoya University

Antenna type Size (diameter, effective area) Remarks
Asymmetric cylinder parabola Effective area 1409 m2
Fuji Observatory
ISEE, Nagoya University

Operated by
ISEE (Institute for Space-Earth Environmental Research), Nagoya University
Location
Fujikawaguchiko Town, Minami Tsuru, Yamanashi

アンテナ写真
© Nagoya University

Antenna type Size (diameter, effective area) Remarks
Asymmetric cylinder parabola Effective area 1500 m2
Nobeyama Observation Site*
ISEE, Nagoya University

Operated by
ISEE (Institute for Space-Earth Environmental Research), Nagoya University
Location
Nobeyama, Minamimaki Village, Minamisaku, Nagano

パラボラT字型干渉計 直径 80cm×84台 写真

※ 28 of the 84 telescopes have been moved to exhibits.

Antenna type Size (diameter, effective area) Remarks
Parabola T-shaped interferometer 80 cm in diameter × 84 Operation ended on March 31, 2020

Hokuriku, Tokai, Kansai

FUT Awara Space Center
Fukui University of Technology

Operated by
Fukui University of Technology
Location
Awara City, Fukui

パラボラ直径 10 mアンテナ写真 9素子クロスログペリアンテナ写真

© Fukui University of Technology

Antenna type Size (diameter, effective area) Remarks
Parabola 10 m in diameter Left photo
9-element cross log periodic antenna × 3(Spectometer and short baseline interferometer) Antenna length 7 m Right photo (not displayed on mobile devices.)
Gifu station*
Gifu University

Operated by
Gifu University
Location
Gifu City, Gifu

アンテナ写真

© Gifu University

Antenna type Size (diameter, effective area) Remarks
Parabola 11 m in diameter
Toyokawa Observatory
ISEE, Nagoya University

Operated by
ISEE (Institute for Space-Earth Environmental Research), Nagoya University
Location
Toyokawa City, Aichi

豊川分室アンテナ写真
© Nagoya University

Antenna type Size (diameter, effective area) Remarks
Fixed cylinder parabola antenna 40 m east-west, 106 m north-south, Effective area:1970 m2
Misato Astronomical Observatory
Wakayama University

Operated by
Wakayama University
Location
Kimino Town, Kaiso, Wakayama

アンテナ写真

© Wakayama University

Antenna type Size (diameter, effective area) Remarks
Parabola 8 m in diameter
Wakayama 12-m Antenna
Wakayama University

Operated by
Wakayama University
Location
Wakayama City, Wakayama

アンテナ写真
© Wakayama University

Antenna type Size (diameter, effective area) Remarks
Parabola 12 m in diameter
Wakayama University 3-m Antenna
Wakayama University

Operated by
Wakayama University
Location
Wakayama City, Wakayama

アンテナ写真
© Wakayama University

Antenna type Size (diameter, effective area) Remarks
Parabola 3 m in diameter Front one in the photo
Wakayama University Roof-top Telescope *
Wakayama University

Operated by
Wakayama University
Location
Wakayama City, Wakayama

アンテナ写真
© Wakayama University

Antenna type Size (diameter, effective area) Remarks
Parabola 3 m in diameter

Chugoku/ Shikoku

Yamaguchi Observatory
Yamaguchi University and NAOJ

Operated by
Yamaguchi University
Location
Yamaguchi City, Yamaguchi

アンテナ写真
© Yamaguchi University

Antenna type Size (diameter, effective area) Remarks
Parabola 32 m in diameter
Yamaguchi station *
Yamaguchi University

Operated by
Yamaguchi University
Location
Yamaguchi City, Yamaguchi

アンテナ写真
© Yamaguchi University

Antenna type Size (diameter, effective area) Remarks
Parabola 34 m in diameter
Agawa Jupiter/Solar Radio Observatory
National Institute of Technology, Kochi College

Operated by
National Institute of Technology, Kochi College
Location
Niyodogawa Town, Agawa, Kochi

アンテナ写真
© National Institute of Technology, Kochi College

        
Antenna type Size (diameter, effective area) Remarks
9-element log periodic antenna Antenna length 8.6 m Top in photo
2-element dipole antenna Antenna length 7.5 m

Kyushu/ Okinawa

VERA Iriki station
Kagoshima University and NAOJ

Operated by
Kagoshima University and NAOJ
Location
Iriki Town, Satsumasendai City, Kagoshima

アンテナ写真
© Kagoshima University and NAOJ

Antenna type Size (diameter, effective area) Remarks
Parabola 20 m in diameter VERA : VLBI Exploration of Radio Astrometry
VERA Ishigakijima station
NAOJ

Operated by
NAOJ
Location
Ishigaki City, Okinawa

アンテナ写真

Antenna type Size (diameter, effective area) Remarks
Parabola 20 m in diameter VERA : VLBI Exploration of Radio Astrometry
Uchinoura Space Center
JAXA

Operated by
JAXA(Japan Aerospace Exploration Agency)
Location
Kimotsuki Town, Kimotsuki, Kagoshima

アンテナ写真
© Japan Aerospace Exploration Agency

Antenna type Size (diameter, effective area) Remarks
Parabola 34 m in diameter
Yamagawa Radio Observation Facility
National Institute of Information and Communications Technology

Operated by
NICT
Location
Ibusuki City, Kagoshima

アンテナ写真

アンテナ写真 アンテナ写真

© National Institute of Information and Communications Technology

Antenna type Size (diameter, effective area) Remarks
Parabola 8 m in diameter

Radio Astronomy Facilities Abroad Operated by Japanese Institutes

ALMA is operated internationally.

Syowa Station 11-m antenna
Syowa Station
National Institute of Polar Research

Operated by
National Institute of Polar Research
Location
Syowa Station, Antarctica

アンテナ写真

© National Institute of Polar Research

Antenna type Size (diameter, effective area) Remarks
Parabola(AZ-EL mount) 11 m in diameter

For more information, please visit the website here (Japanese Language).

NANTEN2
Nagoya University

Operated by
Nagoya University
Location
Pampa la bola plateau, Atacama, Republic of Chile

アンテナ写真
© Nagoya University

Antenna type Size (diameter, effective area) Remarks
Cassegrain Nasmyth 4 m in diameter
ASTE Telescope
(Atacama Submillimeter Telescope Experiment)
NAOJ

Operated by
NAOJ
Location
Pampa la bola plateau, Atacama, Republic of Chile

アンテナ写真

Antenna type Size (diameter, effective area) Remarks
Parabola 10 m in diameter
ALMA Telescope
(Atacama Large Millimeter/submillimeter Array)
ESO,NRAO,NAOJ

Operated by
European Southern Observatory (ESO),
National Radio Astronomy Observatory (NRAO),
NAOJ
Location
Atacama Desert, Atacama, Republic of Chile
almaアンテナ写真
© X-CAM / ALMA (ESO/NAOJ/NRAO)
Antenna type Size (diameter, effective area) Remarks
Parabola 12 m in diameter × 54,
7 m in diameter × 12