英仙座ο,又名BD+31 642,HD 23180、SAO 56673、HR 1131,是英仙座的一颗恒星[1][2],视星等为3.83,位于银经160.36,银纬-17.74,其B1900.0坐标为赤经3h 38m 2.7s,赤纬+31° -17.74′ 18″。
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