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Iota Canis Majoris : ウィキペディア英語版 | Iota Canis Majoris
Iota Canis Majoris (ι Canis Majoris, ι CMa) is a variable supergiant star in the constellation Canis Major. Iota Canis Majoris is a blue-white B-type supergiant with an apparent magnitude that varies between +4.36 and +4.40.〔 It has been classified as a Beta Cephei type variable star, but the supergiant spectral type and a period of over a month mean it is no longer considered to be of that type. It is approximately 3100 light years from Earth. This star has 24.9 times the radius of the Sun. ==References==
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「Iota Canis Majoris」の詳細全文を読む
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