3 papers
astro-ph.SR2026
Unresolved triple systems in the aged open cluster Trumpler 19: Discovery, confirmation, and implications
D. Minniti, R. K. Saito, V. D. Ivanov +31
It is difficult to identify unresolved triple and higher-order systems beyond the solar vicinity. Star clusters yield controlled environments with known physical parameters, provid…
astro-ph.SR2026
Spectral classification of brown dwarfs using machine learning
A. R. Callen, I. H. Bustos Fierro, M. Gómez
Brown dwarfs are compact objects that do not reach temperatures high enough to produce sustained hydrogen fusion. Consequently, they cool over time, gradually evolving through late…
astro-ph2006
Dwarf galaxies in the Antlia Cluster: First results
A. V. Smith Castelli, L. P. Bassino, S. A. Cellone +5
We present the first results of a project aimed to study the galaxy population of the Antlia cluster, the third nearest galaxy cluster after Virgo and Fornax. The observations for…