Analysis of the abundance of heavy elements in the atmospheres of K-giants - Barium and lanthanoids

Details Analysis of the abundance of heavy elements in the atmospheres of K-giants - Barium and lanthanoids Analysis of the abundance of heavy elements in the atmospheres of K-giants - Barium and lanthanoids

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990azh....67.1204g&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 67, Nov.-Dec. 1990, p. 1204-1210. In Russian.

Astronomy and Astrophysics

Astronomy

1

Giant Stars, Heavy Elements, K Stars, Metallicity, Rare Earth Elements, Stellar Atmospheres, Absorption Spectra, Spectral Line Width, Stellar Spectrophotometry

Scientific paper

The abundance of barium and lanthanoids in the atmospheres of Gamma, Delta, Epsilon Tau (K0 III) and Alpha Tau and Gamma Sge (K5 III) are determined by the model-atmospheres method. Absorption lines of Ba and lanthanoids are identified in the spectra of these stars. It is concluded that an increase in the abundance of Ba and lanthanoids in the star atmospheres is possible in the case of transition from K0 III to K5 III.

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