Nonradial Oscillations in Classical Pulsating Stars. Predictions and Discoveries
W. A. Dziembowski
TL;DR
This paper reviews the interpretation of secondary periodicities in RR Lyrae stars and Cepheids as nonradial oscillations, highlighting recent predictions and discoveries in stellar pulsation theory.
Contribution
It provides a comprehensive review of nonradial mode excitation in classical pulsating stars, connecting historical context with recent observational and theoretical advances.
Findings
Secondary periodicities are linked to nonradial modes.
Recent discoveries support nonradial oscillation interpretations.
Theoretical predictions align with observational data.
Abstract
After a brief historical introduction and recalling basic concepts of stellar oscillation theory, I focus my review on interpretation of secondary periodicities found in RR Lyrae stars and Cepheids as a manifestation of nonradial mode excitation.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astro and Planetary Science · Astronomy and Astrophysical Research