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Tidal stirring and the origin of dwarf spheroidals in the Local Group
Lucio Mayer, Fabio Governato, Monica Colpi +5
N-Body/SPH simulations are used to study the evolution of dwarf irregular galaxies (dIrrs) entering the dark matter halo of the Milky Way or M31 on plunging orbits. We propose a ne…
The surface brightness of dark matter: unique signatures of neutralino annihilation in the Galactic halo
Carlos Calcaneo-Roldan, Ben Moore
We use high resolution numerical simulations of the formation of cold dark matter halos to simulate the background of decay products from neutralino annihilation, such as gamma-ray…
Dynamical effects on galaxies in clusters
Ben Moore, Vicent Quilis, Richard Bower
The observed morphological evolution since z ~ 0.5 within galaxy clusters provides evidence for a hierarchical universe. This evolution is driven by dynamical effects that operate…
Simulating clusters of galaxies: a brief history of `N' and overmerging
Ben Moore
I review four decades of numerical simulations of galaxy clusters focussing on the attempts to resolve their internal structure. Overmerging describes the numerical or physical dis…
Do clusters contain a large population of dwarf galaxies?
Carlos A. Valotto, Ben Moore, Diego G. Lambas
We analyze systematic effects in the determination of the galaxy luminosity function in clusters using a deep mock catalogue constructed from a numerical simulation of a hierarchic…
Collisional versus Collisionless Dark Matter
Ben Moore, Sergio Gelato, Adrian Jenkins +2
We compare the structure and substructure of dark matter halos in model universes dominated by collisional, strongly self interacting dark matter (SIDM) and collisionless, weakly i…