AAS 197, January 2001
Session 89. Large Scale Structure and Galaxy Clusters
Oral, Wednesday, January 10, 2001, 10:30am-12:00noon, Town and Country

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[89.02] Cluster Properties and Large-Scale Environments

A. Melott (University of Kansas), C.J. Miller (Carnegie-Mellon University)

It has been known for some time that galaxy morphology is environment-dependent. An emerging area of research has found correlations between galaxy cluster properties and the supercluster environment (surrounding clusters). In addition to the well-known optical and (less well-known) X-ray cluster alignment with superclusters, the internal structure of clusters "knows" about neighbors out to tens of Mpc. Properties affected include the degree of central concentration of both the galaxy and gas distribution within the cluster, the existence of cooling flows, the orientation of winds blowing Wide Angle Tail radio sources, as well as possibly central jets themselves.

Research supported by NSF and NCSA.

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