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Title:
Cepheid period changes as tests of stellar evolution.
Authors:
Turner, D. G.; Abdel-Sabour Abdel-Latif, M.; Berdnikov, L. N.
Affiliation:
AA(Saint Mary's University, Halifax, NS, Canada), AB(National Research Institute of Astronomy and Geophysics, Helwan, Egypt), AC(Sternberg Astronomical Institute, Moscow, Russia )
Publication:
Memorie della Società Astronomica Italiana, v.77, p.152 (2006)
Publication Date:
00/2006
Origin:
MmSAI
Keywords:
Stars: Cepheids, Stars: evolution
Bibliographic Code:
2006MmSAI..77..152T

Abstract

The observed rates of period change in Cepheids are in general agreement with predictions from published stellar evolutionary models, but display a greater spread of values than expected, a feature that should allow us to probe the internal physical properties of Cepheids in more detail.

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