Showing astro-ph.GAShow all
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astro-ph.GA2025
A clustering-based search for substructures in the Galactic plane and bulge using RR Lyrae stars as tracers
N. Cristi-Cambiaso, C. Navarrete, M. Catelan +2
Although many globular clusters (GCs) have been identified in the Galaxy, their population is estimated to be incomplete, especially in regions with strong crowding and interstella…
astro-ph.GA2025
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…
astro-ph.GA2024
Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry
Gaia Collaboration, P. Panuzzo, T. Mazeh +412
Gravitational waves from black-hole merging events have revealed a population of extra-galactic BHs residing in short-period binaries with masses that are higher than expected base…