Kepler asteroseismology of red-giant stars

Abstract

The Kepler mission, launched in March 2009, has revolutionized asteroseismology, providing detailed observations of thousands of stars. This has allowed in-depth analysis of stars ranging from compact hot subdwarfs to red giants, and including the detection of solar-like oscillations in hundreds of stars on or near the main sequence. Here I mainly consider solar-like oscillations in red giants, where Kepler observations are yielding results of a perhaps unexpected richness. In addition to giving a brief overview of the observational and numerical results for these stars, I present a simple analysis which captures some of the properties of the observed frequencies.

To appear in Proceedings of the 61st Fujihara Seminar: Progress in solar/stellar physics with helio- and asteroseismology. H. Shibahashi, ed., ASP Conf. Ser

References in corpus (5)

• Testing Scaling Relations for Solar-Like Oscillations from the Main Sequence to Red Giants using Kepler Data
• Asteroseismology of old open clusters with Kepler: direct estimate of the integrated RGB mass loss in NGC6791 and NGC6819
• Characterization of the power excess of solar-like oscillations in red giants with Kepler
• Constraints on the structure of the core of subgiants via mixed modes: the case of HD49385
• Asteroseismology of red giants

Cited by in corpus (5)

• Uncertainties on near-core mixing in red-clump stars: effects on the period spacing and on the luminosity of the AGB bump
• Rotation of the convective core in $\gamma$ Dor stars measured by dips in period spacings of g modes coupled with inertial modes
• Analytical modelling of period spacings across the HR diagram
• Masses of subgiant stars from asteroseismology using the coupling strengths of mixed modes
• Asteroseismology of red giant stars: the potential of dipole modes