3 papers
astro-ph.GA2026
Discovery of Galactic center ejected star in DESI DR1
Manuel Cavieres, Sergey E. Koposov, Elena Maria Rossi +2
Hypervelocity stars (HVSs) are stars ejected from the Galactic Centre (GC) through tidal interactions with the central supermassive black hole. Formed in the immediate vicinity of…
astro-ph.GA2025
Double progenitor origin of the S-star cluster
Sill Verberne, Elena Maria Rossi, Sergey E. Koposov +3
The origin of the cluster of S-stars located in the Galactic Centre is tied to the supermassive black hole Sagittarius A*, but exactly how is still debated. In this paper, we inves…
astro-ph.GA2024
The distant Milky Way halo from the Southern hemisphere: Characterization of the LMC-induced dynamical-friction wake
Manuel Cavieres, Julio Chanamé, Camila Navarrete +6
The infall of the Large Magellanic Cloud (LMC) into the Milky Way's halo impacts the distribution of stars and dark matter in our Galaxy. Mapping the observational consequences of…