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来自维基百科,自由的百科全书
天龙座ξ,又名BD+56 2033,HD 163588、SAO 30631、HR 6688,是天龙座的一颗恒星[1][2],视星等为3.75,位于银经85.17,银纬30.23,其B1900.0坐标为赤经17h 51m 47.9s,赤纬+56° 30.23′ 18″。
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