INVESTIGADORES
SAFFE Carlos
artículos
Título:
Abundancias de Litio y actividad estelar en estrellas con exoplanetas a partir de espectros HARPS
Autor/es:
FLORES, MATÍAS; SAFFE, CARLOS; BUCCINO, A.; MAUAS, P.
Revista:
Boletín de la Asociación Argentina de Astronomía
Editorial:
Asociación Argentina de Astronomía
Referencias:
Lugar: La Plata; Año: 2013 vol. 56 p. 203 - 207
ISSN:
1669-9521
Resumen:
We study the possible excess of lithium (Li) depletion found in stars with planets when they are compared with similar stars (same range of Teff and log g) without planets. Moreover, we analyzed the possible relation between Li abundances and the stellar activity suggested by some authors. We used high-resolution spectra (R ∼ 110.000) of FGK stars with and without planets taken with the HARPS (High Accuracy Radial velocity Planet Searcher) spectrograph, installed at the 3.6 m ESO telescope.
