The spectroscopic investigation of the supergiant 89 Herculis

Details The spectroscopic investigation of the supergiant 89 Herculis The spectroscopic investigation of the supergiant 89 Herculis

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988kfnt....4...19z&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 4, Sept.-Oct. 1988, p. 19-24. In Russian.

Other

Abundance, Stellar Spectra, Supergiant Stars, Metallic Stars, Solar Atmosphere, Stellar Atmospheres, Stellar Luminosity, Tables (Data)

Scientific paper

On the basis of spectrograms with dispersions of 0.8 and 1.7 nm/mm, the parameters of the atmosphere of 89 Her (F2 Ia) and the abundances of 24 elements are determined using the curve of growth method. Ca, Sc, and elements heavier than Zr are underabundant in the atmosphere of 89 Her relative to the sun. Na is overabundant; this is in agreement with the results obtained for other high-luminosity stars.

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