3 papers
astro-ph.SR2025
The Alma catalogue of OB stars. III. A cross-match with Gaia DR3 and an extension based on new spectral classifications
M. Pantaleoni González, J. MaÃz Apellániz, R. H. Barbá +4
We present the third installment of the Alma Luminous Star (ALS) catalogue, aimed at creating the most comprehensive and clean sample of Galactic massive stars. This update extends…
astro-ph.SR2025
Gaia-ESO Survey: massive stars in the Carina Nebula. II. The spectroscopic analysis of the O-star population
S. R. Berlanas, L. Mahy, A. Herrero +9
The new census of massive stars in the Carina nebula reveals the presence of 54 apparently single O-type stars in the Car OB1 association, an extremely active star-forming region w…
astro-ph.GA2024
An in-depth analysis of the differentially expanding star cluster Stock 18 (Villafranca O-036) using Gaia DR3 and ground-based data
J. MaÃz Apellániz, A. R. Youssef, M. S. El-Nawawy +4
(ABRIDGED) CONTEXT: The Villafranca project is combining Gaia data with ground-based surveys to analyze Galactic stellar groups with OB stars. AIMS: We want to analyze Stock 18 wit…