Halo Shapes and their Relation to Environment

Details Halo Shapes and their Relation to Environment Halo Shapes and their Relation to Environment

2005-11-23

arxiv.org/abs/astro-ph/0511675v1

Astronomy and Astrophysics

Astrophysics

Comments: 4 pages, 3 figures. To appear in the proceedings of the XXIst IAP Colloquium "Mass Profiles and Shapes of Cosmologic

Scientific paper

10.1051/eas:2006040

Using high resolution DM simulations we study the shape of dark matter halos.
Halos become more spherical with decreasing mass. This trend is even more
pronounced for the inner part of the halo. Angular momentum and shape are
correlated. The angular momenta of neighboring halos are correlated.

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