Galaxies and Groups in the Local Supercluster

Details Galaxies and Groups in the Local Supercluster Galaxies and Groups in the Local Supercluster

2009-08-10

arxiv.org/abs/0908.1357v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

to be published in the proceedings of the conference "Galaxies in Isolation: Exploring Nature vs. Nurture", Granada, 12-15 May

Scientific paper

We present the catalog of galaxy groups in the Local Supercluster. Our algorithm bases on assumption that a total energy of physical pair of galaxies must be negative. About 54% of the galaxies in our sample have been gathered in 1082 groups. The groups are characterized by velocity dispersion 74 km/s and harmonic radius 204 kpc. These values are typical for small groups like Local Group or M81.

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