The structure of groups of galaxies

Details The structure of groups of galaxies The structure of groups of galaxies

Apr 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975a%26a....40..161e&link_type=abstract

Astronomy and Astrophysics, vol. 40, no. 1-2, Apr. 1975, p. 161-165.

Astronomy and Astrophysics

Astrophysics

13

Galactic Clusters, Mass Distribution, Spatial Distribution, Astronomical Models, Cosmology, Elliptical Galaxies, Luminous Intensity

Scientific paper

Dwarf galaxies and hidden matter are located around giant galaxies, forming gravitationally bound systems. Giant galaxies form a multiplet at the centre, dwarf galaxies are distributed over the whole volume of the system. Total masses of groups of galaxies range from one trillion to 30 trillion solar masses, the limiting radii being close to 1-2 Mpc. The densities of both the hidden matter and the system of galaxies decrease with distance from the center according to the inverse square law. Dwarf galaxies of different morphological types are separated from each other, elliptical galaxies are located in the inner regions, while nonelliptical galaxies populate the peripheral ones.

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