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Evolutionary Period Changes in ω Centauri!?

Published online by Cambridge University Press:  12 April 2016

Johanna Jurcsik*
Affiliation:
Konkoly Observatory, P.O. Box 67, H-1525 Budapest, Hungary

Abstract

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The periods of most of the RRab stars in ω Centauri have increased during the past century at the same rate as evolutionary model calculations predict. This result raises the possibility that evolutionary changes in the periods are directly observed in this cluster.

Type
Part 3. Cepheids, RR Lyrae Stars, Distance Scales
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

Belserene, E.P. 1964, AJ, 69, 475 Google Scholar
Dorman, B. 1992, ApJS, 81, 221 Google Scholar
Jurcsik, J. 1998, ApJ, 506, L113 Google Scholar
Kaluzny, J., Kubiak, M., Szymański, A., Udalski, W., Krzemiński, W., & Mateo, M. 1997, A&AS, 125, 343 Google Scholar
Martin, W. Chr. 1938, Leiden Annalen, 17, Part 2 Google Scholar