3 papers
astro-ph.GA2025
Asymmetries in stellar streams induced by a galactic merger
Claire Guillaume, Florent Renaud, Nicolas F. Martin +6
Stellar streams are sensitive to perturbations from, e.g., giant molecular clouds, bars and spiral arms, infalling dwarf galaxies, or globular clusters which can imprint gaps, clum…
astro-ph.GA2024
Exploring the impact of a rapidly decelerating bar on transforming bulge orbits into disc-like orbits
Chengdong Li, Zhen Yuan, Giacomo Monari +7
The most metal-poor tail of the Milky Way ([Fe/H] 2.5) contains a population of stars with very prograde planar orbits, which is puzzling in both their origin and evoluti…
astro-ph.IM2024
The Wide-field Spectroscopic Telescope (WST) Science White Paper
Vincenzo Mainieri, Richard I. Anderson, Jarle Brinchmann +214
The Wide-field Spectroscopic Telescope (WST) is proposed as a new facility dedicated to the efficient delivery of spectroscopic surveys. This white paper summarises the initial con…