Project VeSElkA: results of abundance analysis I – HD 71030, HD 95608, HD 116235 and HD 186568

F. LeBlanc,V. Khalack,B. Yameogo,C. Thibeault, I. Gallant

Monthly Notices of the Royal Astronomical Society（2015）

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摘要

A portion of main-sequence stars, called chemically peculiar (CP) stars, show important abundance anomalies mainly due to atomic diffusion of the species within these stars. Certain CP stars have hydrodynamically stable atmospheres where atomic diffusion may dominate and lead to vertical abundance stratification there. Recently, Project VeSElkA (a word meaning rainbow in Ukrainian and standing for...

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关键词

diffusion,stars: abundances,stars: atmospheres,stars: chemically peculiar

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