activity
20082026
most citedThe Formation of Ultra Diffuse Galaxies in Cored Dark Matter Halos Through Tidal Stripping and Heating

180 citations · 830 across the 31 of their papers we have counts for

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Showing 2026Show all

5 papers · 1 filter

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 Böotes III (Boo3) dwarf galaxy has long been suspected of being the progenitor of Styx, a ~50°-long stellar stream that was simultaneously discovered in the same region of sky.…

astro-ph.GA2026

Structural Diversity Among the Milky Way's Dwarf Spheroidal Satellites

Matthew G. Walker, Raphaël Errani, Andrew B. Pace +3

We fit a flexible double power-law (`') model to the stellar density fields observed for the Milky Way's known dwarf spheroidal satellite galaxies. We show that where standard…

astro-ph.GA2026

Galactic tides and the outer density profile of the Sculptor and Ursa Minor dwarf spheroidals

Daniel A. Boyea, Julio F. Navarro, Jaclyn Jensen +1

Most dwarf spheroidal (dSph) satellites of the Milky Way follow exponential surface density profiles that decline sharply in the outer regions. The Sculptor (Scl) and Ursa Minor (U…

astro-ph.GA2026

Collisional Dynamics of Stars and Dark Matter in Ultra-Faint Galaxies

Raphaël Errani, Nicolas Esser, Jorge Peñarrubia +1

We use controlled N-body simulations to study the collisional exchange of energy between stars and dark matter in ultra-faint galaxies. We find that dynamical friction between star…

astro-ph.GA2026

Tailored mass estimators for Milky Way dwarf Spheroidals

Sofia L. Splawska, Raphaël Errani, Jorge Peñarrubia +1

Assuming spherical symmetry and dynamical equilibrium within a given gravitational potential, a dwarf spheroidal (dSph) galaxy's globally averaged stellar velocity dispersion depen…