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Clues on galaxy and cluster formation from their scaling relations
B. Lanzoni, L. Ciotti, A. Cappi +2
By means of high-resolution N-body simulations in a LambdaCDM cosmology, we verify that scaling relations similar to those observed for nearby galaxy clusters are also defined by t…
The scaling relations of galaxy clusters and their dark matter halos
B. Lanzoni, L. Ciotti, A. Cappi +2
Like early-type galaxies, also nearby galaxy clusters define a Fundamental Plane, a luminosity-radius, and a luminosity-velocity dispersion relations, whose physical origin is stil…
Substructures in Cold Dark Matter Haloes
G. De Lucia, G. Kauffmann, V. Springel +5
We analyse the properties of substructures within dark matter halos (subhalos) using a set of high-resolution numerical simulations of the formation of structure in a Lambda-CDM Un…
Projection effects on the FP thickness: a Monte-Carlo exploration
B. Lanzoni, L. Ciotti
We study the contribution of projection effects to the intrinsic thickness of the Fundamental Plane (FP) of elliptical galaxies. The Monte-Carlo mapping technique between model pro…