金牛座81,又名BD+15 639,HD 28546、SAO 93978、HR 1428,是金牛座的一颗恒星[1][2],视星等为5.48,位于银经180.82,银纬-21.75,其B1900.0坐标为赤经4h 24m 56.5s,赤纬+15° -21.75′ 28″。
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