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HD 115310, also known by its Bayer designation r Centauri (r Cen), is a star in the constellation Centaurus. r Centauri is an orange K-type giant with an apparent magnitude of +5.10. It is approximately 258 light years from Earth. ==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「HD 115310」の詳細全文を読む スポンサード リンク
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