...As of early 1983, the only two X-ray astronomy satellites still in operation were Hakucho and Tenma, both operated by the Institute of Space and Astronautical Science in Japan. In the 1980s, they were joined by Europe's EXOSA, West Germany's ROSAT, and Japan's ASTRO-C (Ginga, launched in February 1987). As of the end of 1997, the only satellite-based X-ray observatories used by X-ray astronomers around the world were Germany's ROSAT (launched in 1990) and Japan's Asuka (launched in 1993). ... *Some of the terminology that mentions "ROSAT" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…83年初頭に観測を続けているのは,日本の宇宙科学研究所による〈はくちょう〉〈てんま〉の2個のX線天文衛星だけである。80年代にはヨーロッパのEXOSA,西ドイツのROSAT,日本のASTRO‐C(〈ぎんが〉,1987年2月打上げ)がこれに加わることになる。1997年末現在,世界中のX線天文学者が使っている人工衛星によるX線天文台はドイツのROSAT(1990年打上げ),日本の〈あすか〉(1993年打上げ)である。… ※「ROSAT」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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