后发座2,又名BD+22 2437,HD 104827、SAO 82123、HR 4602,是后发座的一颗恒星[1][2],视星等为5.87,位于银经238.22,银纬77.86,其B1900.0坐标为赤经11h 59m 9.3s,赤纬+22° 77.86′ 58″。
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