Brightest cluster galaxy formation in the cluster C0037-2522: flattening of the dark matter cusp

Details Brightest cluster galaxy formation in the cluster C0037-2522: flattening of the dark matter cusp Brightest cluster galaxy formation in the cluster C0037-2522: flattening of the dark matter cusp

2003-11-18

arxiv.org/abs/astro-ph/0311424v1

Astronomy and Astrophysics

Astrophysics

2 pages, 1 fig., in press on the Proceedings of the ESO-USM-MPE Workshop "Multiwavelength mapping of galaxy formation and evol

Scientific paper

The X-ray cluster C0337-2522 at redshift $z=0.59$ hosts in its core a group of five elliptical galaxies. Using N-body simulations we show that a multiple merging event among the five galaxies is expected to take place in the next few Gyrs, forming a central brightest cluster galaxy. We also find indications that dynamical friction heating associated with this event is likely to modify the central slope of the cluster dark matter density profile.

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