...For solar observation, there are 1.8cm, 3cm, and 8cm wavelength interferometers at the Nobeyama Solar Radio Observatory of the Tokyo Astronomical Observatory and the Nagoya University Research Institute of Atmospherics. The VLA (short for very large array) of the National Astronomical Observatory of the United States is currently the largest radio interferometer in the world. It is an aperture synthesis type radio interferometer that moves 27 25m diameter antennas on a Y-shaped rail with a side length of about 20km, and boasts an excellent resolution of 0.1 arc seconds. ... From [Radio Telescope] ...Aperture synthesis requires high-speed processing of even larger amounts of information (Figure). *Some of the terminology explanations that mention "very large array" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…太陽観測用としては,東京天文台野辺山太陽電波観測所および名古屋大学空電研究所に波長1.8cm,3cm,8cmの干渉計がある。アメリカ国立天文台のVLA(very large arrayの略)は,現在世界でもっとも規模の大きい電波干渉計である。口径25mのアンテナ27基を1辺が約20kmのY字型レール上を移動させる開口合成型の電波干渉計で,0.1秒角の優れた分解能を誇っている。… 【電波望遠鏡】より…開口合成型の場合はさらに大量情報の高速処理を必要とする(図)。 ※「very large array」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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