HD 75063,即船帆座a(a Velorum),又名CD-45 4517,SAO 220422、HR 3487,是一颗船帆座的恒星[1][2],视星等为3.91,位于银经265.38,银纬-1.84,其B1900.0坐标为赤经8h 42m 38.2s,赤纬-45° -1.84′ 32″。
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