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A Bcool magnetic snapshot survey of solar-type stars
S. C. Marsden, P. Petit, S. V. Jeffers +20
Stellar magnetic field measurements obtained from spectropolarimetry offer key data for activity and dynamo studies, and we present the results of a major high-resolution spectropo…
The PLATO 2.0 Mission
H. Rauer, C. Catala, C. Aerts +159
PLATO 2.0 has recently been selected for ESA's M3 launch opportunity (2022/24). Providing accurate key planet parameters (radius, mass, density and age) in statistical numbers, it…
Differential asteroseismic study of seismic twins observed by CoRoT; Comparison of HD 175272 with HD 181420
N. Ozel, B. Mosser, M. A. Dupret +12
The CoRoT short asteroseismic runs give us the opportunity to observe a large variety of late-type stars through their solar-like oscillations. We report the observation and modeli…
Low-amplitude rotational modulation rather than pulsations in the CoRoT B-type supergiant HD 46769
C. Aerts, S. Simon-Diaz, C. Catala +16
{We aim to detect and interpret photometric and spectroscopic variability of the bright CoRoT B-type supergiant target HD\,46769 (). We also attempt to detect a magnetic fi…
Seismic constraints on rotation of Sun-like star and mass of exoplanet
Laurent Gizon, Jérome Ballot, Eric Michel +32
Rotation is thought to drive cyclic magnetic activity in the Sun and Sun-like stars. Stellar dynamos, however, are poorly understood owing to the scarcity of observations of rotati…
Asteroseismic analysis of the CoRoT target HD 169392
S. Mathur, H. Bruntt, C. Catala +25
The satellite CoRoT (Convection, Rotation, and planetary Transits) has provided high-quality data for almost six years. We show here the asteroseismic analysis and modeling of HD16…