The abundance and radial distribution of faint and ultra-faint dwarfs in galaxy clusters

arXiv:2604.22920 · astro-ph.GA · Submitted 2026-04-24 · Read on arXiv

astro-ph.GA

Submitted: 2026-04-24

Updated: 2026-04-24

Comments: 12 pages, 10 figures. Submitted to MNRAS

Journal ref: Mon Not R Astron Soc (2026)

DOI: 10.1093/mnras/stag1604

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Abundance — 9× in this paper · explained in 1 episode
• Milky Way — 5× in this paper
• Core — 4× in this paper · explained in 2 episodes
• Halo Occupation Fraction — 4× in this paper
• N-body simulations — 4× in this paper · explained in 2 episodes
• AGN — 1× in this paper · explained in 1 episode
• AGN Feedback — 1× in this paper · explained in 1 episode
• Trace — 1× in this paper · explained in 2 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• The Vera Rubin Observatory Legacy Survey of Space and Time and the Low Surface Brightness Universe
• Galaxies and Overmerging: What Does it Take to Destroy a Satellite Galaxy?
• The unabridged satellite luminosity function of Milky Way-like galaxies in $\Lambda$CDM: the contribution of "orphan" satellites
• The COLIBRE project: cosmological hydrodynamical simulations of galaxy formation and evolution
• Dwarf Galaxies at Cosmic Noon: New JWST Constraints on Satellite Models and Subhalo Tidal Evolution
• The ASTRID Simulation at z=0: From Massive Black Holes to Large-scale Structure

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