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Abundance of Sodium in the Atmospheres of Algol A and B

Published online by Cambridge University Press:  14 August 2015

Masayuki Kondo  and
Akira Okazaki
Masayuki Kondo
Affiliation:
Tokyo Astronomical Observatory, University of Tokyo, Mitaka, Tokyo, 181 Japan
Akira Okazaki
Affiliation:
Department of Astronomy, University of Tokyo, Bunkyo-ku, Tokyo, 113 Japan

Abstract

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The Na D1 and D2 lines of Algol A and B observed by Tomkin and Lambert(1978) were analyzed to obtain sodium abundance. A mild deficiency of sodium [Na/H]∼-0.5 is found in Algol B, while a slight overabundance [Na/H]∼+0.3 is found in Algol A.

Type
V. Algol and Algols
Information
Symposium - International Astronomical Union , Volume 88: Close Binary Stars: Observations and Interpretation , 1980 , pp. 221 - 222
Copyright
Copyright © Reidel 1980 

References

Naftilan, S.A.:1975, Publ.Astron.Soc.Pacific,87, p.321.CrossRefGoogle Scholar
Naftilan, S.A.:1976, Astrophys.J.,206, p.785.CrossRefGoogle Scholar
Tomkin, J. and Lambert, D.L.:1978, Astrophys.J. (Letters),222, p.L119.CrossRefGoogle Scholar