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Halo Shape and its Relation to Environment

Published online by Cambridge University Press:  19 May 2006

G.A. Mamon ,
F. Combes ,
C. Deffayet ,
B. Fort ,
S. Gottlöber  and
V. Turchaninov
S. Gottlöber
Affiliation:
Astrophysical Institute Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany
V. Turchaninov
Affiliation:
Keldysh Institute for Applied Mathematics, Miusskaja Ploscad 4, 125047 Moscow, Russia
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Abstract

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.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 20: Mass Profiles and Shapes of Cosmological Structures , 2006 , pp. 25 - 28
Copyright
© EAS, EDP Sciences, 2006

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