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94 Ceti (HD 19994) is a binary star system approximately 73 light-years away in the constellation Cetus. 94 Ceti A is a yellow-white dwarf star with about 1.3 times the mass of the Sun while 94 Ceti B is a red dwarf star. According to the new Sixth Catalog of Orbits of Visual Binaries, stars A and B have an average separation of 151 AU. An infrared excess has been detected around the primary, most likely indicating the presence of a circumstellar disk at a radius of 95 AU. The temperature of this dust is 40 K.〔 == Planetary system == On 7 August 2000, a planet was discovered.〔 〕 It is most stable if its inclination is either 65 or 115, ± 3.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「94 Ceti」の詳細全文を読む スポンサード リンク
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