Formation and Evolution of Galactic Halos in Clusters of Galaxies

Details Formation and Evolution of Galactic Halos in Clusters of Galaxies Formation and Evolution of Galactic Halos in Clusters of Galaxies

1998-11-23

arxiv.org/abs/astro-ph/9811362v1

Astrophys.J.516:591-603,1999

Astronomy and Astrophysics

Astrophysics

20 pages, 14 Postscript figures, uses AASTeX, accepted for publication in ApJ

Scientific paper

10.1086/307126

We investigate effects of time evolution of a rich cluster of galaxies on its member galactic halos in the standard cold dark matter (SCDM) universe using high resolution N-body simulations. We identify several hundred galactic halos within virial radius of our simulated cluster. We also find that a large number of halos have been tidally disrupted at z = 0. Therefore we improve a method of deriving merging history trees of galaxies taking account of tidally stripped galaxies.

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