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Chemical abundances for ten stars in the Alpha Persei open cluster
Published online by Cambridge University Press: 13 January 2006
Abstract
Abundances of Fe, Ti, Cr, Mg and He have been determined for 10 stars: 5 B, 3 A, 1 F dwarfs and 1 chemically peculiar giant B8IIIp with apparent velocities ranging from 15 to 130 km s-1, members of the Alpha Persei open cluster (log age = 7.40 yrs). The method consists in adjusting grids of synthetic spectra calculated with SYNSPEC48 (Hubeny & Lanz 1992) in the wavelength range of 4450–4600 Å. The input model atmospheres are LTE, RE, plane parallel line blanketed models calculated with ATLAS9 (Kurucz 1992a). A correlation may exist between [Fe/H] and the effective temperature. Further observations of a much larger sample of B, A and F stars in this cluster are foreseen in the near future.
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- © EAS, EDP Sciences, 2005