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The APOSTLE simulations: Rotation curves derived from synthetic 21-cm observations
Kyle A. Oman
The APOSTLE cosmological hydrodynamical simulation suite is a collection of twelve regions Mpc in diameter, selected to resemble the Local Group of galaxies in terms of ki…
Bars in dark matter-dominated dwarf galaxy discs
A. Marasco, K. A. Oman, J. F. Navarro +2
We study the shape and kinematics of simulated dwarf galaxy discs in the APOSTLE suite of CDM cosmological hydrodynamical simulations. We find that a large fraction of these gas…
The innate origin of radial and vertical gradients in a simulated galaxy disc
Julio F. Navarro, Cameron Yozin, Nic Loewen +6
We examine the origin of radial and vertical gradients in the age/metallicity of the stellar component of a galaxy disc formed in the APOSTLE cosmological hydrody- namical simulati…
The "Building Blocks" of Stellar Halos
Kyle A. Oman, Else Starkenburg, Julio F. Navarro
The stellar halos of galaxies encode their accretion histories. In particular, the median metallicity of a halo is determined primarily by the mass of the most massive accreted obj…
The core-cusp problem: a matter of perspective
Anna Genina, Alejandro Benitez-Llambay, Carlos S. Frenk +6
The existence of two kinematically and chemically distinct stellar subpopulations in the Sculptor and Fornax dwarf galaxies offers the opportunity to constrain the density profile…
Tidal stripping and the structure of dwarf galaxies in the Local Group
Azadeh Fattahi, Julio F. Navarro, Carlos S. Frenk +3
The shallow faint-end slope of the galaxy mass function is usually reproduced in CDM galaxy formation models by assuming that the fraction of baryons that turns into stars drops…