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Nu2 Canis Majoris : ウィキペディア英語版 | Nu2 Canis Majoris
:''For other star systems with this Bayer designation, see Nu Canis Majoris.''
Nu2 Canis Majoris (ν2 CMa, ν2 Canis Majoris) is a star in the constellation Canis Major. It is an evolved K-type giant approximately 65 light years away, seen below Sirius. Around 1.5 times as massive as the Sun, it has expanded to around 2.3 times the Sun's diameter and 11 times its luminosity. In 2011, it was discovered to have a planet.〔 ==Chinese name==
In Chinese astronomy, ν2 Canis Majoris is called 野雞, Pinyin: Yějī, meaning ''Wild Cockerel'', because this star is marking itself and stand alone in ''Wild Cockerel'' asterism, Well mansion (see : Chinese constellation).〔 (AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 16 日 )〕 野雞 (Yějī), westernized into Ya Ke. According to R.H. Allen opinion, the name ''Ya Ke'' is asterism consisting ο1 Canis Majoris and π Canis Majoris, with other small stars in the body of the Dog〔(Richard Hinckley Allen: Star Names — Their Lore and Meaning: Canis Major )〕
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「Nu2 Canis Majoris」の詳細全文を読む
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