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The chemical composition of the red giant η Ser

L. I. Antipova, Aleksandr A. Boyarchuk

Open publisher page 2 citations

Abstract

The paper presents the results of an analysis of elemental abundances in the atmosphere of η Ser—a red giant of spectral type K2IIIabCN1, according to Hoffleit and Jaschek [4]. The resulting atmospheric parameters correspond to a K0 giant, and the peculiarities of the star’s chemical composition provide evidence that the assignment of η Ser to the class of CN stars was erroneous.

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What this paper is about

The paper presents the results of an analysis of elemental abundances in the atmosphere of η Ser—a red giant of spectral type K2IIIabCN1, according to Hoffleit and Jaschek [4]. The resulting atmospheric parameters correspond to a K0 giant, and the peculiarities of the star’s chemical composition provide evidence that the assignment of η Ser to the class of CN stars was erroneous.

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Available abstract

The paper presents the results of an analysis of elemental abundances in the atmosphere of η Ser—a red giant of spectral type K2IIIabCN1, according to Hoffleit and Jaschek [4]. The resulting atmospheric parameters correspond to a K0 giant, and the peculiarities of the star’s chemical composition provide evidence that the assignment of η Ser to the class of CN stars was erroneous.

Key concepts: Physics, Red giant, Chemical composition, Astrophysics, Atmosphere (unit), Giant star, Stars, Stellar atmosphere

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