A Universal Angular Momentum Profile for Galactic Halos
Author(s) -
James S. Bullock,
Avishai Dekel,
Tsafrir Kolatt,
Andrey V. Kravtsov,
Anatoly Klypin,
C. Porciani,
Joel R. Primack
Publication year - 2001
Publication title -
the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/321477
Subject(s) - physics , astrophysics , angular momentum , halo , specific relative angular momentum , accretion (finance) , flattening , mass distribution , cosmology , total angular momentum quantum number , galaxy , classical mechanics , astronomy , angular momentum coupling
[Abridged] We study the angular-momentum profiles of a statistical sample ofhalos drawn from a high-resolution N-body simulation of the LCDM cosmology. Wefind that the cumulative mass distribution of specific angular momentum, j, ina halo of mass Mv is well fit by a universal function, M(
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