Internal Velocity and Mass Distributions in Clusters of Galaxies for a Variety of Cosmogonic Models

Details Internal Velocity and Mass Distributions in Clusters of Galaxies for a Variety of Cosmogonic Models Internal Velocity and Mass Distributions in Clusters of Galaxies for a Variety of Cosmogonic Models

1994-04-15

arxiv.org/abs/astro-ph/9404033v1

Astrophys.J. 437 (1994) 12

Astronomy and Astrophysics

Astrophysics

29p plaintex submitted to The Astrophysical Journal on Jan 7, 1994

Scientific paper

10.1086/174971

The mass and velocity distributions in the outskirts ($0.5-3.0h^{-1}$Mpc) of clusters of galaxies are examined for a suite of cosmogonic models utilizing large-scale Particle-Mesh (PM) simulations ($500^3$ cells, $250^3$ particles and box size of $100h^{-1}$Mpc, giving a nominal resolution of $0.2h^{-1}$Mpc with the true resolution about $0.5h^{-1}$Mpc). Through a series of model computations, designed to isolate the different effects, we find that both $\Omega_0$ and $P_k$ ($\lambda\le 16h^{-1}$Mpc) are important to the mass and velocity distributions in clusters of galaxies. More details in the full abstract.

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