Equivalent widths for field halo and disk stars

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Metallicity, Spectral Line Width, Stellar Composition, Stellar Spectra, Galactic Evolution

Scientific paper

In Gratton and Sneden (1986) we discussed the abundance of light elements (Na, Mg, Al, Si, K, Ca and Ti) and Ni in 46 halo stars. The chemical abundances were based on stellar atmosphere analysis of equivalent widths obtained with the McDonald 2.7 m and La Silla CAT telescopes. In this paper we present the observational material and a tabulation of the equivalent width data.

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