Publication: High resolution spectroscopic characterization of the FGK stars in the Solar neighborhood
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Publication Date
2009
Authors
Martínez Arnáiz, R. M.
Maldonado, J.
Eiroa, C.
Montesinos, B.
Ribas, I.
Solano, E.
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American Institute of Physics
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Abstract
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 through 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.
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© Springer International Publishing AG, Part of Springer Science+Business Media.
Cambridge Workshop on Cool Stars, Stellar Systems and the Sun (15th. 2008. St Andrews, Escocia).
This work was supported by the Spanish Ministerio de Educación y Ciencia (MEC) under grants AYA2005-00954 and AYA2005-02750, and The Comunidad de Madrid projects ASTRID S- 0505/ESP/000361 and ASTROCAM S-0505/ESP/000237.
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