ARE THE s-CEPHEIDS CROSSING THE INSTABILITY STRIP FOR THE FIRST TIME?

Using the literature data on secular period changes reported for the small-amplitude Cepheids (s-Cepheids) it is shown that these stars are not crossing the instability strip for the first time. After correction of the observed pulsational chracteristics of s-Cepheids, in the diagram "log ( dP...

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Bibliographic Details
Main Authors: S. M. Andrievsky, G. A. Garbuzov, D. N. Doi
Format: Article
Language:English
Published: Odessa I. I. Mechnykov National University 2012-11-01
Series:Odessa Astronomical Publications
Online Access:http://oap.onu.edu.ua/article/view/83165