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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

Eugenio E.  and
Mendoza V.
Eugenio E.
Affiliation:
Institute of Astronomy, University of MéxicoP.O. Box 20-158, México 20, D.F. 01000, MEXICO
Mendoza V.
Affiliation:
Institute of Astronomy, University of MéxicoP.O. Box 20-158, México 20, D.F. 01000, MEXICO

Abstract

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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.

Type
Section II - Systematics, Photometry
Information
International Astronomical Union Colloquium , Volume 90: Upper Main Sequence Stars with Anomalous Abundances , 1986 , pp. 195 - 198
Copyright
Copyright © Reidel 1986

References

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