3 papers
astro-ph.GA2026
Characterizing the disruption of Böotes III: a missing link in the Galactic halo?
Jaclyn Jensen, Daniel A. Boyea, Alan W. McConnachie +14
The authors investigate whether the Boötes III dwarf galaxy is the source of the Styx stellar stream by searching for tidal debris with Gaia data, new CaHK imaging, and matched‑fil…
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.GA2025
UNIONS: The Ultraviolet Near-Infrared Optical Northern Survey
Stephen Gwyn, Alan W. McConnachie, Jean-Charles Cuillandre +86
The Ultraviolet Near-Infrared Optical Northern Survey (UNIONS) is a "collaboration of collaborations" that is using the Canada-France-Hawai'i Telescope, the Pan-STARRS telescopes,…