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Theoretical evolution sequences for homogeneous and two-zone models of Delta Scuti variables

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Abstract

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.

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Authors and Affiliations

  1. Copenhagen University Observatory, Øster Voldgade 3, DK-1350, Copenhagen K, Denmark

    G. Kjærgaard Andreasen, P. M. Hejlesen & J. Otzen Petersen

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  1. G. Kjærgaard Andreasen
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  2. P. M. Hejlesen
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  3. J. Otzen Petersen
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Andreasen, G.K., Hejlesen, P.M. & Petersen, J.O. Theoretical evolution sequences for homogeneous and two-zone models of Delta Scuti variables. Space Sci Rev 27, 381–387 (1980). https://doi.org/10.1007/BF00168324

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