2 papers
astro-ph.GA2025
Untangling Magellanic Streams
Dennis Zaritsky, Vedant Chandra, Charlie Conroy +3
The Magellanic Stream (MS) has long been known to contain multiple H I strands and corresponding stellar populations are beginning to be discovered. Combining a sample of 17 stars…
astro-ph.GA2025
Segue 2 Recently Collided with the Cetus-Palca Stream: New Opportunities to Constrain Dark Matter in an Ultra-Faint Dwarf
Hayden R. Foote, Gurtina Besla, Nicolás Garavito-Camargo +7
Stellar streams in the Milky Way are promising detectors of low-mass dark matter (DM) subhalos predicted by CDM. Passing subhalos induce perturbations in streams that indicate…