Elemental abundance analyses with DAO spectrograms – XXII. The B9–A3 stars λ Ursae Majoris, 59 Herculis, 14 Cygni and 29 Cygni |
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Authors: | Saul J. Adelman |
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Affiliation: | Department of Physics, The Citadel, 171 Moultrie Street, Charleston, SC 29409, USA |
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Abstract: | Elemental abundances of the moderately rotating B9–A3 stars λ UMa, 59 Her, 14 Cyg and 29 Cyg have been derived in a consistent manner with previous studies of this series from spectrograms obtained with Reticon and CCD detectors. The derived elemental abundances show that λ UMa is a mild Am star, while 59 Her is slightly metal-rich. Although 14 Cyg has values closer to solar than these stars, its subsolar Ca and Sc abundances indicate that it might be the hottest known hot-Am star. 29 Cyg is a metal-poor λ Boo star. |
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Keywords: | stars: abundances stars: chemically peculiar stars: individual: λ UMa stars: individual: 59 Her stars: individual: 14 Cyg stars: individual: 29 Cyg |
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