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来自维基百科,自由的百科全书
小熊座RR,又名BD+66 878,HD 132813、SAO 16558、HR 5589,是小熊座的一颗恒星[1][2],视星等为4.6,位于銀經104.87,銀緯46.53,其B1900.0坐标为赤經14h 55m 59.4s,赤緯+66° 46.53′ 51″。
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