Abundances of metals in five nearby open clusters

Details Abundances of metals in five nearby open clusters Abundances of metals in five nearby open clusters

1998-05-06

arxiv.org/abs/astro-ph/9805061v1

Astronomy and Astrophysics

Astrophysics

5 pages, 2 figures, to appear in: Proc. of the 26th workshop of the European Working Group on CP stars, eds. P. North, A. Schn

Scientific paper

Abundances of Mg, Ca, Sc, Cr, Fe, and Ni are derived for A stars of five nearby open clusters of various ages using high resolution spectroscopy. We point out a correlation between the abundance of Ca and that of Sc, suggesting that the abundance anomalies of these elements arise from the same physical process. Pronounced Am patterns are rather found in the oldest cluster stars whereas younger targets show weaker Am anomalies and atypical patterns for some of them.

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