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Angular Momentum in Groups from Cosmological Simulations

Published online by Cambridge University Press:  26 May 2016

Jeremy Bailin  and
Matthias Steinmetz
Jeremy Bailin
Affiliation:
Steward Observatory, 933 N Cherry Ave, Tucson, AZ 85721, USA
Matthias Steinmetz
Affiliation:
Astrophysikalisches Institut Potsdam, An der Sternwarte 16, D-14482 Potsdam, Germany; and Steward Observatory, 933 N Cherry Ave, Tucson, AZ 85721, USA

Abstract

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We have performed high resolution cosmological N-body simulations in which halos of 1011 M⊙ are resolved with over 700 particles. We report on the internal structure of group-sized halos (masses between 1011M⊙ and 1014 M⊙), particularly on how the angular momentum within the halo correlates with the shape of the halo and with the angular momentum at other radii. We find that many halos have an inner region whose angular momentum is disconnected with that of the outer halo.

Type
Part 14: Angular Momentum
Information
Symposium - International Astronomical Union , Volume 220: Dark Matter in Galaxies , 2004 , pp. 477 - 478
Copyright
Copyright © Astronomical Society of the Pacific 2004 

References

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