Elemental abundance analyses with DAO spectrograms - XV. The superficially normal late B-type and early A-type stars Merak, pi Draconis and kappa Cephei

Astronomy and Astrophysics – Astronomy

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Stars: Abundances, Stars: Individual: Kappa Cephei, Stars: Individual: Merak, Stars: Individual: Pi Draconis

Scientific paper

Elemental abundances of the superficially normal late B-type and early A-type stars Merak, pi Dra and kappa Cep are derived consistent with previous studies of this series using spectrograms obtained with a Reticon detector. The derived abundances of both Merak and pi Dra indicate that they are metallic-lined stars, which confirms this classification by other investigators, while kappa Cep has derived abundances which are nearly solar. The later star was discovered to be a single-lined spectroscopic binary.

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