...The large astronomical satellite HEAO-2 (Einstein satellite) was in full swing from 1978 to 1981 with a telescope with a focal length of 3.4m and an aperture of 56cm, opening up a new dimension in X-ray astronomy. Japan's X-ray astronomy satellites equipped with X-ray reflecting telescopes include Ginga, launched in 1987, the Solar X-ray Observation Satellite Yohkoh, launched in 1991, and Asuka, launched in 1993. [Minoru Oda]... *Some of the terminology that refers to "X-ray reflecting telescope" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…本格的には大型天文衛星HEAO‐2(アインシュタイン衛星)が焦点距離3.4m,口径56cmの望遠鏡によって1978‐81年にわたって活躍し,X線天文学に新しい局面を開いた。日本のX線天文衛星としては87年打上げの〈ぎんが〉,91年打上げの太陽X線観測衛星〈ようこう〉,93年打上げの〈あすか〉がX線反射望遠鏡を搭載している。【小田 稔】。… ※「X 線反射望遠鏡」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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