On the Formation and Evolution of cD Galaxies
Hrant Tovmassian
TL;DR
This paper investigates how cD galaxies form and evolve in galaxy clusters, providing evidence that they grow through a cannibalism process influenced by cluster properties.
Contribution
It offers a detailed analysis of the formation and evolution of cD galaxies, emphasizing the role of cannibalism in their development within rich galaxy clusters.
Findings
cD galaxies likely form through cannibalism.
There is a correlation between cD galaxy brightness and cluster richness.
Evolutionary evidence supports the cannibalism formation scenario.
Abstract
The cannibalism mechanism of formation of cD galaxies in clusters of Bautz-Morgan class I is analyzed. Dependences between absolute magnitude of cD galaxies, and of the clusters in which they reside (richness, redshifts) are considered. Evidences are presented in favor of formation of cD galaxies by cannibalism and their evolution.
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Taxonomy
TopicsAstronomy and Astrophysical Research · Astronomical Observations and Instrumentation · Galaxies: Formation, Evolution, Phenomena