人马座α,或天渊三、“Rukbat”,是人马座的主星。它的体积比太阳大,属于蓝色主序星,其光谱分类为B型,仅次于最亮的O型。由于离太阳远,因此其视星等为3.96。
这是一篇关于主序星的小作品。您可以通过编辑或修订扩充其内容。 |
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