A Review Of γ Doradus Variables

Details A Review Of γ Doradus Variables A Review Of γ Doradus Variables

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1170..455p&link_type=abstract

STELLAR PULSATION: CHALLENGES FOR THEORY AND OBSERVATION: Proceedings of the International Conference. AIP Conference Proceedin

Physics

3

Pulsations, Oscillations, And Stellar Seismology, Cepheids, Stellar Characteristics And Properties

Scientific paper

γ Doradus variables are a relatively recently defined class of multi-periodic pulsating variable star that have a tremendous asteroseismic potential. The high-order, low-degree gravity modes present in these stars allow us to probe as deep as the core in the deep stellar interiors. In addition, several γ Doradus stars also have simultaneously excited p-modes pulsation in their outer envelopes allowing us to simultaneous examine their outer layer. Finally the region of the HR diagram where solar-like variability is present is very close, which may give us an additional final tool to probe the internal structure of these stars. In this paper I review the photometric and spectroscopic observations of the class, the techniques used for mode identification in these stars and give a brief review of some theoretical considerations.

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