3 papers
astro-ph.SR2025
Searching for lambda Boo stars in binary systems
J. Alacoria, C. Saffe, A. Collado +7
Our goal is to find new candidate lambda Boo stars that belong to binary systems. A detailed abundance determination of some candidates could confirm their true lambda Boo nature,…
astro-ph.EP2024
The largest metallicity difference in twin systems: high-precision abundance analysis of the benchmark pair Krios & Kronos
P. Miquelarena, C. Saffe, M. Flores +7
Aims.We conduct a high-precision differential abundance analysis of the remarkable binary system HD 240429/30 (Krios and Kronos, respectively), whose difference in metallicity is o…
astro-ph.SR2023
Elemental abundances differences in the massive planet-hosting wide binary HD 196067-68
M. Flores, J. Yana Galarza, P. Miquelarena +6
It has been suggested that small chemical anomalies observed in planet-hosting wide binary systems could be due to planet signatures, where the role of the planetary mass is still…