Density and Radial Velocity Strucutre of the Hydra I Cluster of Galaxies | Zendy

Baier F. W. | Zendy; Oleak H. | Zendy

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Density and Radial Velocity Strucutre of the Hydra I Cluster of Galaxies

Author(s) -

Baier F. W.,

Oleak H.

Publication year - 1983

Publication title -

astronomische nachrichten

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.394

H-Index - 63

eISSN - 1521-3994

pISSN - 0004-6337

DOI - 10.1002/asna.2113040602

Subject(s) - velocity dispersion , astrophysics , physics , lernaean hydra , cluster (spacecraft) , galaxy cluster , radius , radial velocity , brightest cluster galaxy , galaxy , galaxy groups and clusters , astronomy , stars , geography , computer security , archaeology , computer science , programming language

The investigation of the distributions of number densities, radial velocities and morphological types in the Hydra I cluster led us to the conclusion that this cluster possesses dominant substructures. This result is in agreement with former conclusions of different authors that substructures are a typical phenomenon for a high percentage of all clusters of galaxies. The galaxies inside the radius 60 from the cluster centre giv ea mean cluster redshift 3332±102 km/s and a velocity dispersion 679 ± 87 km/s.

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