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Guillout, P. ; Frasca, A. ; Klutsch, A. ; Marilli, E. ; Montes Gutiérrez, David | EDP Sciencies | 2010-09Context. During the course of a large spectroscopic survey of X-ray active late-type stars in the solar neighbourhood, we discovered four lithium-rich stars packed within just a few degrees on the sky. Although located in a sky area rich in CO m[...]texto impreso
Montes Gutiérrez, David ; López Santiago, J. ; Martínez Arnáiz, R. M. ; Guillout, P. ; Klutsch, A. ; Freire Ferrero, R. ; Frasca, A. ; Marilli, E. | American Institute of Physics | 2009Post T Tauri stars (PTTS) are late-type stars in the age range between 10 and 100 Myr filling the gap between T Tauri (TTs) and zero-age: main sequence phases. This period of evolution remains ambiguous and until now different studies of young s[...]texto impreso
Klutsch, Alexis ; Freire Ferreros, R. ; Guillout, P. ; Frasca, A. ; Marilli, E. ; Montes Gutiérrez, David | EDP Sciences | 2014-07Context. Over the last century, the overdensities in the velocity distributions of nearby stars were attributed to stellar kinematic groups or moving groups. Although their reality was initially questioned, their existence is now supported by a [...]texto impreso
Frasca, A. ; Guillout, P. ; Klutsch, A. ; Freire Ferrero, R. ; Marilli, E. ; Biazzo, K. ; Gandolfi, D. ; Montes Gutiérrez, David | EDP Sciences | 2018-05-04Context. Star formation in the solar neighborhood is mainly traced by young stars in open clusters, associations, and in the field, which can be identified, for example, by their X-ray emission. The determination of stellar parameters for the op[...]
