后髮座9,又名BD+28 2106,HD 107213、SAO 82244、HR 4688,是后髮座的一顆恆星[1][2],視星等為6.33,位於銀經202.8,銀緯82.85,其B1900.0坐標為赤經12h 14m 29s,赤緯+28° 82.85′ 56″。
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