Kinematics of M dwarfs in the CARMENES input catalogue: membership in
young moving groups
release_gtszla6i75dubpfcvtlabuyglu
by
D. Montes, J. A. Caballero, I. Gallardo, M. Cortes-Contreras, F. J.
Alonso-Floriano
2015
Abstract
We present a detailed study of the kinematics of M dwarfs in the CARMENES
(Calar Alto high-Resolution search for M dwarfs with Exoearths with
Near-infrared and optical Echelle Spectrographs) input catalog. We have
selected all M dwarfs with known parallactic distance or a good photometric
distance estimation, precise proper motion in the literature or as determined
by us, and radial velocity measurements. Using these parameters, we computed
the M dwarfs galactic space motions (U, V, W). For the stars with U and V
velocity components inside or near the boundaries that determine the young disk
population, we have analyzed the possible membership in the classical moving
groups and nearby loose associations with ages between 10 and 600 Ma. For the
candidate members, we have compiled information available in the literature in
order to constrain their membership by applying other age-dating methods.
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