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An abundance analysis for Vega: Is it a lambda Boo star?

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arxiv astro-ph/9805234 v1 pith:3YG54CNA submitted 1998-05-18 astro-ph

An abundance analysis for Vega: Is it a lambda Boo star?

classification astro-ph
keywords lambdavegaabundanceanalysismildstarstarsattention
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Since Baschek & Slettebak (1988) drew attention to the similarity between the abundance pattern of lambda Boo stars and that of Vega, there has been a long debate whether Vega should be listed among the chemically peculiar stars of lambda Boo type. We performed an elemental abundance analysis using a high dispersion spectrum in the optical region, and confirmed its mild metal underabundance. In our discussion we reinforce the suggestion that Vega is a mild lambda Boo star.

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