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Magnetic Activity Cycles in the Exoplanet Host Star epsilon Eridani
T. S. Metcalfe, A. P. Buccino, B. P. Brown +7
The active K2 dwarf epsilon Eri has been extensively characterized, both as a young solar analog and more recently as an exoplanet host star. As one of the nearest and brightest st…
Verifying asteroseismically determined parameters of Kepler stars using hipparcos parallaxes: self-consistent stellar properties and distances
V. Silva Aguirre, L. Casagrande, S. Basu +24
Accurately determining the properties of stars is of prime importance for characterizing stellar populations in our Galaxy. The field of asteroseismology has been thought to be par…
Calibrating Convective properties of Solar-like Stars in the Kepler Field of View
Ana Bonaca, Joel D. Tanner, Sarbani Basu +24
Stellar models generally use simple parametrizations to treat convection. The most widely used parametrization is the so-called "Mixing Length Theory" where the convective eddy siz…
Seismic evidence for a rapidly rotating core in a lower-giant-branch star observed with Kepler
S. Deheuvels, R. A. Garcia, W. J. Chaplin +24
Rotation is expected to have an important influence on the structure and the evolution of stars. However, the mechanisms of angular momentum transport in stars remain theoretically…
Precise Modeling of the Exoplanet Host Star and CoRoT Main Target HD 52265
M. E. Escobar, S. Théado S. Vauclair, J. Ballot +8
This paper presents a detailed and precise study of the characteristics of the Exoplanet Host Star and CoRoT main target HD 52265, as derived from asteroseismic studies. The result…
Oscillation mode frequencies of 61 main sequence and subgiant stars observed by Kepler
T. Appourchaux, W. J. Chaplin, R. A. Garcia +25
Solar-like oscillations have been observed by Kepler and CoRoT in several solar-type stars, thereby providing a way to probe the stars using asteroseismology. We provide the mode f…