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Evidence for compact binary systems around Kepler red giants
Isabel L. Colman, Daniel Huber, Timothy R. Bedding +9
We present an analysis of 168 oscillating red giants from NASA's mission that exhibit anomalous peaks in their Fourier amplitude spectra. These peaks result from ellipsoid…
The Correlation Between Mixing Length and Metallicity on the Giant Branch: Implications for Ages in the Gaia Era
Jamie Tayar, Garrett Somers, Marc H. Pinsonneault +28
In the updated APOGEE-Kepler catalog, we have asteroseismic and spectroscopic data for over 3000 first ascent red giants. Given the size and accuracy of this sample, these data off…
Spin alignment of stars in old open clusters
Enrico Corsaro, Yueh-Ning Lee, Rafael A. García +6
Stellar clusters form by gravitational collapse of turbulent molecular clouds, with up to several thousand stars per cluster. They are thought to be the birthplace of most stars an…
Seismic inference of 57 stars using full-length Kepler data sets
Orlagh Creevey, Travis Metcalfe, David Salabert +6
We present stellar properties (mass, age, radius, distances) of 57 stars from a seismic inference using full-length data sets from Kepler. These stars comprise active stars, planet…
Internal rotation of 13 low-mass low-luminosity red giants in the Kepler field
Santiago Andrés Triana, Enrico Corsaro, Joris De Ridder +3
The Kepler space telescope has provided time series of red giants of such unprecedented quality that a detailed asteroseismic analysis becomes possible. For a limited set of about…