Cluster Abell 520: a perspective based on member galaxies. A cluster forming at the crossing of thre

@article{Girardi2008ClusterA5,
  title={Cluster Abell 520: a perspective based on member galaxies. A cluster forming at the crossing of thre},
  author={M. Girardi and R. Barrena and W. Boschin and E. Ellingson},
  journal={Astronomy and Astrophysics},
  year={2008}
}
The connection of cluster mergers with the presence of extended, diffuse radio sources in galaxy clusters is still debated. An interesting case is the rich, merging cluster Abell 520, containing a radio halo. A recent gravitational analysis has shown in this cluster the presence of a massive dark core suggested to be a possible problem for the current cold dark matter paradigm. We aim to obtain new insights into the internal dynamics of Abell 520 analyzing velocities and positions of member… Expand
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