3 papers
astro-ph.SR2020
Derivation of parameters for 3748 FGK stars using H-band spectra from APOGEE Data Release 14
Pedro Sarmento, Elisa Delgado Mena, Bárbara Rojas-Ayala +1
The Apache Point Observatory Galactic Evolution Experiment (APOGEE) has observed the H-band spectra of over 200 000 stars with . The main motivation for this work is t…
astro-ph.EP2018
An Earth-sized exoplanet with a Mercury-like composition
A. Santerne, B. Brugger, D. J. Armstrong +43
The Earth, Venus, Mars, and some extrasolar terrestrial planets have a mass and radius that is consistent with a mass fraction of about 30% metallic core and 70% silicate mantle. A…
astro-ph.EP2018
C/O vs Mg/Si ratios in solar type stars: The HARPS sample
L. Suárez-Andrés, G. Israelian, J. I. González Hernández +4
Aims. We present a detailed study of the Mg/Si and C/O ratios and their importance in determining the mineralogy of planetary companions. Methods. Using 499 solar-like stars from t…