3 papers
astro-ph.SR2026
Gaia DR3 high radial velocity stars: Genuine fast-moving objects or outliers?
D. Katz, A. Gómez, E. Caffau +39
The third Gaia data release includes 33.8 million radial velocity measurements, extending to a magnitude of G_RVS = 14. To reach this magnitude limit, spectra were processed down t…
astro-ph.GA2025
The chemical enrichment histories across the Milky Way disk
Valeria Cerqui, Misha Haywood, Owain Snaith +2
The variation of metal production over time and its dilution in the interstellar medium depend on the star formation and gas accretion rates. Measuring age-chemistry relations acro…
astro-ph.GA2025
Gaps in stellar streams as a result of globular cluster fly-bys
Salvatore Ferrone, Marco Montuori, Paola Di Matteo +10
Thin stellar streams, such as those resulting from the tidal disruption of globular clusters, have long been known and used as probes of the gravitational potential of our Galaxy,…