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Hα and OI Photometry of Upper Main Sequence Stars with Anomalous Abundances
Published online by Cambridge University Press: 12 April 2016
Abstract
Additional α(16)Λ(9)-photometry of upper main sequence stars with anomalous abundances confirm our previous results, namely, Ap stars are neatly separated from normal main sequence stars. Furthermore, Ap stars are located on three different zones of the α(16)Λ(9)-plane, according to their abundance anomalies to form three photometric groups, (i) Si stars, (ii) Hg,Mn stars, and (iii) Cr,Eu,Sr stars.
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- Section II - Systematics, Photometry
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- Copyright © Reidel 1986
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