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Paper: Formation of cD Galaxies Within Dark Matter Distributions
Volume: 197, XVth IAP Meeting Dynamics of Galaxies: From the Early Universe to the Present
Page: 397
Authors: García Gómez, Carlos; Garijo, Antonio; Athanassoula, E.
Abstract: Recent observations from gravitational lenses show that the dark matter in clusters of galaxies must have a cusped distribution. This fact is also supported by numerical simulations which give universal cusped distributions for the dark matter halos. Our N-body simulations show that brightest cluster members with properties similar to giant ellipticals or cD galaxies can form only within cusped dark matter distributions. The galaxies formed within distributions with a flat core (in our simulations Plummer spheres) have mass distributions which are not in agreement with observations.
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