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Alignment of cD-Galaxies with their Surroundings

Published online by Cambridge University Press:  12 April 2016

Eelco van Kampen  and
George Rhee
Eelco van Kampen
Affiliation:
Sterrewacht Leiden, Leiden, the Netherlands
George Rhee
Affiliation:
Sterrewacht Leiden, Leiden, the Netherlands

Abstract

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For a sample of 122 rich Abell clusters we find a strong correlation of the position angle (orientation) of the first-ranked galaxy and its parent cluster. This alignment effect is strongest for cD-galaxies. Formation scenarios for cD galaxies, like the merging scenario, must produce such a strong alignment effect. We show some N-body simulations done for this purpose.

Type
III. Observations of Related Objects
Information
International Astronomical Union Colloquium , Volume 124: Paired and Interacting Galaxies , 1990 , pp. 255 - 260
Copyright
Copyright © NASA 1990

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