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来自维基百科,自由的百科全书
长沙(乌鸦座ζ,乌鸦座5),是乌鸦座的一颗恒星,视星等5.20。其J2000.0坐标为赤经12h 20m 33.6s,赤纬-22° 12′ 57.2″。
轸宿在古代被认为是楚的分野,其星多与楚地城池对应。[2]位于轸宿的长沙星在各种古籍中被提及,如《晋书·天文志上》:“长沙一星,在轸之中,主寿命。”《丹元子步天歌》:“(轸)四星似张翼相近,中央一个长沙子。[3]”
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