后髮座39,又名BD+21 2487,HD 113848、SAO 82650、HR 4946,是后髮座的一顆恆星[1][2],視星等為5.99,位於銀經333.39,銀緯83.13,其B1900.0坐標為赤經13h 1m 28.8s,赤緯+21° 83.13′ 24″。
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