Canes Venatici (Hounds)

Japanese: りょうけん座(猟犬座) - りょうけんざ（英語表記）Canes Venatici

Its abbreviation is CVn. It is a small constellation in the northern sky between the constellations Boötes and Boötes. It is a giant boötes with two ferocious dogs at the end of a leash in his left hand, facing a bear. It was part of the constellation Boötes in ancient times, but in the 17th century, German J. Hevelius established it as an independent constellation. The two dogs are named Asterion and Cara. Cor Caroli (meaning "Heart of Charles") is a double star divided into α ¹ and α ^2. α ¹ is an F0 type star with a magnitude of 5.6, and α ² is an A0 type peculiar star with a magnitude of 2.9. It has strong lines of silicon and europium in its spectrum, and is a variable star with a period of 5.46939 days. It is also famous as a magnetic variable star whose magnetic field strength changes with the same period.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

略号はCVn。北天のおおくま座とうしかい座にはさまれた天域の小星座。うしかいの巨人の左手に握った首紐の先に2匹の猛犬が熊にたちむかう姿で，古来おおくま座の一部であったのを17世紀にドイツ人J.ヘベリウスの手により独立星座として制定された。2匹の犬はアステリオン，カラの名がある。α星コル･カロリ(〈チャールズの心臓〉の意)はα¹,α²と分かれる二重星で，α¹星は光度5.6等，F0型星，α²星は光度2.9等，A0型特異星で，スペクトル中にケイ素，ユーロピウムなどの線が強く，周期5.46939日の変光星で，磁場の強さも同じ周期で変化する磁変星として有名。

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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