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全天中第七位的亮星,最亮的蓝超巨星,视星等为0.18v(v代表变星)。星表编号为:Hip24436,HD34085。西方星名猎户座β(βOri)。
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homology object
homology of a bundle
homology of a complex
homology of a dynamical system
homology of a Lie algebra
homology of a Lie group
homology of a polyhedron
homology of a product
homology of a ring
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