The Dependence of Intracluster Light on Cluster Environment

Details The Dependence of Intracluster Light on Cluster Environment The Dependence of Intracluster Light on Cluster Environment

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000noao.prop..186m&link_type=abstract

NOAO Proposal ID #2000B-0186

Physics

Scientific paper

We propose to search for and quantify the properties of the intracluster light (ICL) in galaxy clusters as a function of cluster environment. The ICL is likely formed through tidal stripping of cluster galaxies, so that its properties should be linked both to the dynamical evolution of the cluster and to the distribution of dark matter in cluster galaxies. The structure of the ICL, therefore, should vary between clusters with different physical properties. We will target eight rich Abell clusters which span a range of Bautz-Morgan type, from cD-dominated type I clusters to type III clusters where the galaxy population is more uniform. Inasmuch as the presence or absence of a central cD is a signature of the degree of dynamical evolution of a cluster, this sample allows us to probe how the properties of the ICL depend on the cluster's dynamical state. We are requesting 7 dark nights on the 2.1m to reach (mu)_V=26.5 mag arcsec^-2 in each cluster.

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