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HD 4778, also known as HR 234, is an Alpha2 Canum Venaticorum variable in the constellation Andromeda. Its magnitude varies by 0.04 magnitudes from the median of 6.12 with a period of approximately 2.55 days. ==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 4778」の詳細全文を読む スポンサード リンク
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