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Modelling Kepler Red Giants in Eclipsing Binaries:Calibrating the Mixing Length Parameter with Asteroseismology
Tanda Li, Timothy R. Bedding, Daniel Huber +4
Stellar models rely on a number of free parameters. High-quality observations of eclipsing binary stars observed by Kepler offer a great opportunity to calibrate model parameters f…
Finding binaries from phase modulation of pulsating stars with Kepler: V. Orbital parameters, with eccentricity and mass-ratio distributions of 341 new binaries
Simon J. Murphy, Maxwell Moe, Donald W. Kurtz +3
The orbital parameters of binaries at intermediate periods (-- d) are difficult to measure with conventional methods and are very incomplete. We have undertaken a new s…
The γ Dor stars as revealed by Kepler : A key to reveal deep-layer rotation in A and F stars
S. J. A. J. Salmon, R. -M. Ouazzani, V. Antoci +2
The γ Dor pulsating stars present high-order gravity modes, which make them important targets in the intermediate-and low-mass main-sequence region of the Hertzsprung-Russell diagr…
Asteroseismic masses of retired planet-hosting A-stars using SONG
D. Stello, D. Huber, F. Grundahl +9
To better understand how planets form, it is important to study planet occurrence rates as a function of stellar mass. However, estimating masses of field stars is often difficult.…
Beyond the Kepler/K2 bright limit: variability in the seven brightest members of the Pleiades
T. R. White, B. J. S. Pope, V. Antoci +20
The most powerful tests of stellar models come from the brightest stars in the sky, for which complementary techniques, such as astrometry, asteroseismology, spectroscopy, and inte…
Large amplitude change in spot-induced rotational modulation of the Kepler Ap star KIC 2569073
Jason A. Drury, Simon J. Murphy, Aliz Derekas +9
An investigation of the 200 200 pixel 'superstamp' images of the centres of the open clusters NGC 6791 and NGC 6819 allows for the identification and study of many variabl…
Asteroseismology and Gaia: Testing Scaling Relations Using 2200 Kepler Stars with TGAS Parallaxes
Daniel Huber, Joel Zinn, Mathias Bojsen-Hansen +17
We present a comparison of parallaxes and radii from asteroseismology and Gaia DR1 (TGAS) for 2200 Kepler stars spanning from the main sequence to the red giant branch. We show tha…
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…
First Results From The Hertzsprung Song Telescope: Asteroseismology Of The G5 Subgiant Star {\Mu}Her
F. Grundahl, M. Fredslund Andersen, J. Christensen-Dalsgaard +26
We report the first asteroseismic results obtained with the Hertzsprung SONG Telescope from an extensive high-precision radial-velocity observing campaign of the subgiant muHerculi…
Stellar population synthesis based modelling of the Milky Way using asteroseismology of dwarfs and subgiants from Kepler
Sanjib Sharma, Dennis Stello, Daniel Huber +2
Early attempts to apply asteroseismology to study the Galaxy have already shown unexpected discrepancies for the mass distribution of stars between the Galactic models and the data…