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Theoretical Evolution Sequences for Homogeneous and Two-Zone Models of Delta Scuti Variables

Published online by Cambridge University Press:  12 April 2016

G. Kjærgaard Andreasen ,
P.M. Hejlesen  and
J. Otzen Petersen
G. Kjærgaard Andreasen
Affiliation:
Copenhagen University ObservatoryØster Voldgade 3, DK-1350 Copenhagen K, Denmark
P.M. Hejlesen
Affiliation:
Copenhagen University ObservatoryØster Voldgade 3, DK-1350 Copenhagen K, Denmark
J. Otzen Petersen
Affiliation:
Copenhagen University ObservatoryØster Voldgade 3, DK-1350 Copenhagen K, Denmark

Abstract

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Radial pulsation periods are calculated for models of variables in the lower Cepheid instability strip. Evolution tracks in several diagrams are constructed and used for comparisons with observed periods, period ratios, and effective temperatures. These comparisons are simpler and more direct than in earlier studies with separate evolution and pulsation calculations.

Type
IV. δ Scuti and Dwarf Cepheid Variables
Information
International Astronomical Union Colloquium , Volume 58: Stellar Hydrodynamics , August 1980 , pp. 381 - 387
Copyright
Copyright © Reidel 1980

References

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