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The effect of stellar evolution on the light curves’ shapes of RR Lyrae stars in M3

Published online by Cambridge University Press:  12 April 2016

Johanna Jurcsik
Johanna Jurcsik*
Affiliation:
Konkoly Observatory of the Hungarian Academy of Sciences, P.O. Box 67, H-1525 Budapest

Abstract

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The light curve characteristics of a homogeneous sample of variables in M3 are studied in detail. Accurate light curves and mean magnitudes of about 100 RRab and 50 RRc stars which do not show any type of modulation are analyzed. According to their mean magnitudes and Fourier parameters the variables can be sorted into four groups, representing different stages of the horizontal branch stellar evolution.

Type
Part 3. Variable stars as tracers of different stellar populations – galactic and globular clusters, LMC/SMC and Local Group galaxies
Information
International Astronomical Union Colloquium , Volume 193: Variable Stars in the Local Group , 2004 , pp. 171 - 175
Copyright
Copyright © Astronomical Society of the Pacific 2004

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