2 papers
astro-ph.CO2025
Buried but not destroyed: the evolution from prompt cusps to NFW haloes
Yuchan Wang, Sownak Bose, Carlos Frenk +1
The internal structure of dark matter haloes encodes their assembly history and offers critical insight into the nature of dark matter and structure formation. Analytical studies a…
astro-ph.GA2025
LYRA ultra-faints: The emergence of faint dwarf galaxies in the presence of an early Lyman-Werner background
Shaun T. Brown, Azadeh Fattahi, Thales A. Gutcke +6
We present a suite of zoom-in cosmological hydrodynamical simulations of dwarf galaxies using the LYRA galaxy formation model with an extremely high mass resolution of $4\, \mathrm…