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astro-ph.SR2025
Signatures of planets and Galactic subpopulations in solar analogs. Precise chemical abundances with neural networks
Giulia Martos, Jorge Meléndez, Lorenzo Spina +1
The aim of this work is to obtain precise atmospheric parameters and chemical abundances automatically for solar twins and analogs to find signatures of exoplanets, as well as to a…
astro-ph.SR2025★ 9 cited
A New Age-Activity Relation For Solar Analogs that Accounts for Metallicity
Gabriela Carvalho-Silva, Jorge Meléndez, Anne Rathsam +5
Determining stellar ages is challenging, particularly for cooler main-sequence stars. Magnetic evolution offers an observational alternative for age estimation via the age-chromosp…