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Seismology of the Sun and the Distant Stars 2016
Using Today’s Successes to Prepare the Future
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Testing Asteroseismology with APOGEE Star Clusters
Marc Pinsonneault (Ohio State University), et al.

The APOGEE survey has obtained high resolution H band spectra for Kepler red giants and for large numbers of star cluster members. We explore the cluster data, both within and outside of the Kepler fields, as a test of asteroseismic surface gravity and mass measurements. Clusters provide independent checks on surface gravity (from cluster age, distance, and extinction), the mass dependence of the first dredge-up (as measured by C and N), and asteroseismic / spectroscopic inferences about evolutionary state. We discuss the current state of agreement between the two and prospects for improvement using upcoming data, including K2.

Faculdade de Ciências da Universidade de Lisboa Universidade do Porto Faculdade de Ciências e Tecnologia da Universidade de Coimbra
Fundação para a Ciência e a Tecnologia COMPETE 2020 PORTUGAL 2020 União Europeia