南极座ω,又名CP-84 490,HD 131596、SAO 258717、HR 5557,是南极座的一颗恒星[1][2],视星等为5.91,位于银经306.17,银纬-22.82,其B1900.0坐标为赤经14h 49m 21.9s,赤纬-84° -22.82′ 39″。
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