Elemental abundance analyses with DAO spectrograms -- XVI. The normal F main-sequence stars Bootis, Cygni and i Piscum, and the Am stars 15 Vulpeculae and 32 Aquarii
Open Access
- 21 June 1997
- journal article
- research article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 288 (2) , 470-500
- https://doi.org/10.1093/mnras/288.2.470
Abstract
Elemental abundances of the sharp-lined F2 V star σ Boo are derived consistent with other studies of this series of papers. Previous studies of the F4 V star θ Cyg and the F7 V star i Psc and of the Am stars 15 Vul and 32 Aqr are revised and extended. The normal stars have microturbulences between 1.2 and 1.6 km s−1, while the Am stars have values between 4.0 and 4.5 km s−1. Most derived abundances for θ Cyg are close to solar as are those for i Psc, except for the rare earth elements which are enhanced, σ Boo, however, is a marginally metal-poor star. The abundances of 15 Vul indicate it is a marginal Am star while those of 32 Aqr exhibit the Am phenomenon to a greater extent.Keywords
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