FUV and optical absorption in 47 Tucanae
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The Bright Star in the globular cluster 47Tucanae (NGC104) is a post-asymptotic giant branch (post-AGB) star of spectral type B8III. The ultraviolet spectra of late-B stars...
杜鹃座47（NGC 104）球状星团中的亮星是一颗光谱型为B8III的后渐近巨星支（post-asymptotic giant branch, post-AGB）恒星。晚型B型星的紫外光谱……
