Physics
Scientific paper
Feb 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1094..465m&link_type=abstract
COOL STARS, STELLAR SYSTEMS AND THE SUN: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun.
Physics
4
Extrasolar Planetary Systems, Chromosphere, Star Formation
Scientific paper
We present the most recent results of our ongoing long-term high resolution spectroscopic study of nearby (d<25 pc) FGK stars which aim is to characterize the local properties of the Galaxy, in particular the star-formation history. A thorough analysis has been carried out for 253 cool stars in the solar neighborhood. This includes radial and rotational velocities determinations, chromospheric activity levels inference, kinematic analysis, and age estimates. This study does not only shed new light on the issue of stellar formation history but also contributes to any present or future mission aiming to detect extra-solar planets. Exo-planets are likely to be found orbiting around nearby cool stars and their detection and characterization is highly dependent on the precise determination of fundamental stellar parameters such as age, activity levels. Therefore, our study is of paramount importance to ensure the success of any such mission.
Eiroa Carlos
Maldonado Jesús
Martinez-Arnaiz Raquel Mercedes
Montes David
Montesinos Benjamin
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