周鼎二 (37 Com / 后发座37)是后发座的一颗恒星,光谱型为G9III C。
又名BD+31 2434,HD 112989、SAO 63288、HR 4924,是后发座的一颗恒星,视星等为4.9,位于银经95.6,银纬85.86,其B1900.0坐标为赤经12h 55m 29.3s,赤纬+31° 85.86′ 28″。
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