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Starspot distributions on fully convective M dwarfs: implications for radial velocity planet searches
J. R. Barnes, S. V. Jeffers, H. R. A. Jones +4
Since M4.5 - M9 dwarfs exhibit equatorial rotation velocities of order 10 km/s on average, radial velocity surveys targeting this stellar population will likely need to find method…
A maximum entropy approach to detect close-in giant planets around active stars
P. Petit, J. -F. Donati, E. Hébrard +11
(shortened for arXiv) We aim to progress towards more efficient exoplanet detection around active stars by optimizing the use of Doppler Imaging in radial velocity measurements. We…
CARMENES input catalogue of M dwarfs. I. Low-resolution spectroscopy with CAFOS
F. J. Alonso-Floriano, J. C. Morales, J. A. Caballero +9
Context. CARMENES is a stabilised, high-resolution, double-channel spectrograph at the 3.5 m Calar Alto telescope. It is optimally designed for radial-velocity surveys of M dwarfs…
Magnetic fields on young, moderately rotating Sun-like stars - I: HD~35296 and HD~29615
Ian Waite, Stephen Marsden, Bradley Carter +4
Observations of the magnetic fields of young solar-type stars provide a way to investigate the signatures of their magnetic activity and dynamos. Spectropolarimetry enables the stu…
Analysis of combined radial velocities and activity of BD+20 1790: evidence supporting the existence of a planetary companion
M. Hernán-Obispo, M. Tuomi, M. C. Gálvez-Ortiz +17
This paper presents the simultaneous Bayesian analysis of the radial velocity and activity indices for the K5Ve active star BD+20 1790, that was proposed to host a close-in massive…