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The RR Lyrae Period–Amplitude Relation

Published online by Cambridge University Press:  12 April 2016

Christine M. Clement
Christine M. Clement*
Affiliation:
Astronomy Department, University of Toronto, Toronto, ON, CanadaM5S 3H8

Abstract

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A study of the period–amplitude relation for RR Lyrae variables in the globular clusters 47 Tucanae, NGC 6441 and M55 confirms a recent finding that the period–amplitude relation for RRab stars with ‘normal’ light curves is not a function of metal abundance. Evolutionary effects are more important.

Type
Part 3. Cepheids, RR Lyrae Stars, Distance Scales
Information
International Astronomical Union Colloquium , Volume 176: The Impact of Large-Scale Surveys on Pulsating Star Research , 2000 , pp. 266 - 267
Copyright
Copyright © Astronomical Society of the Pacific 2000

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