171 citations · 736 across the 17 of their papers we have counts for
10 papers · 1 filter
Infrared-excess sources in VVV: candidate debris discs, SED characterization, and variability analysis
P. Esteves, R. K. Saito, C. Chavero +9
Debris disks around main-sequence stars provide important insights into planetary formation and evolution; however, identifying these systems in the Galactic plane, where high inte…
The evolution of lithium in FGK dwarf stars. Influence of planets and Galactic migration
F. Llorente de Andrés, R. de la Reza, P. Cruz +4
This work aims to investigate the behaviour of the lithium abundance in stars with and without detected planets. Our study is based on a sample of 1332 FGK main-sequence stars with…
Searching for the nature of stars with debris disks and planets
R. de la Reza, C. Chavero, S. Roca-Fàbrega +3
The nature of the few known solar-mass stars simultaneously containing debris disks and planets remains an open question. A number of works have shown that this property appears to…
The evolution of lithium in FGK dwarf stars: The Li rotation connection and the Li desert
F. Llorente de Andrés, C. Chavero, R. de la Reza +2
We investigate two topics regarding solar mass FGK-type stars, the lithium rotation connection (LRC) and the existence of the "lithium desert". We determine the minimum critical ro…
Emerging trends in metallicity and lithium properties of debris disc stars
C. Chavero, R. de la Reza, L. Ghezzi +5
Dwarf stars with debris discs and planets appear to be excellent laboratories to study the core accretion theory of planets formation. These systems are however, insufficiently stu…
Chemical abundances and kinematics of barium stars
D. B. de Castro, C. B. Pereira, F. Roig +4
In this paper we present an homogeneous analysis of photospheric abundances based on high-resolution spectroscopy of a sample of 182 barium stars and candidates. We determined atmo…