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Synthetic Nonlinear RR Lyrae Instability Strips

Published online by Cambridge University Press:  12 April 2016

R. Szabó ,
Z. Csubry ,
Z. Kolláth  and
J.R. Buchler
R. Szabó
Affiliation:
Konkoly Observatory, Budapest, H-1121, Konkoly-Thege M. u. 13-17., Hungary
Z. Csubry
Affiliation:
Konkoly Observatory, Budapest, H-1121, Konkoly-Thege M. u. 13-17., Hungary
Z. Kolláth
Affiliation:
Konkoly Observatory, Budapest, H-1121, Konkoly-Thege M. u. 13-17., Hungary
J.R. Buchler
Affiliation:
Physics Department, University of Florida, Gainesville, FL 32611, USA

Abstract

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A recently recognized problem is revisited, namely the discrepancy between the structure of the theoretical and the empirical, observationally derived RR Lyrae instability strips. The essence of the discrepancy is that the slope of the empirical fundamental-mode blue edge is much less steep than its theoretical counterpart. The issue was investigated by means of stellar evolution and mode selection captured by nonlinear models.

Type
Part 3. Nonlinear Effects in Pulsating Stars
Information
International Astronomical Union Colloquium , Volume 185: Radial and Nonradial Pulsations as Probes of Stellar Physics , 2002 , pp. 404 - 405
Copyright
Copyright © Astronomical Society of the Pacific 2002

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