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Evolutionary Changes in the Periods of Cepheids
Published online by Cambridge University Press: 12 April 2016
Abstract
Our analysis of O – C diagrams for 230 (mainly northern) Cepheids revealed that periods of 67 of them show evolutionary changes. New parabolic elements for these Cepheids are presented.
- Type
- Part 3. Cepheids, RR Lyrae Stars, Distance Scales
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- Copyright © Astronomical Society of the Pacific 2000