Substructure in Galaxy Clusters Identified by Double-lobed Radio

Details Substructure in Galaxy Clusters Identified by Double-lobed Radio Substructure in Galaxy Clusters Identified by Double-lobed Radio

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011scgg.conf...55w&link_type=abstract

"Structure in Clusters and Groups of Galaxies in the Chandra Era, 2011 Chandra Science Workshop held July 12-14, 2011. Edited by

Computer Science

Scientific paper

Using radio sources from the FIRST survey, and optical counterparts in the SDSS, we have identified a large number of galaxy clusters. These radio sources are driven by AGN, and our cluster sample includes objects with bent, and straight, double-lobed sources. We also included a single-component comparison sample. We examine these galaxy clusters for evidence of optical substructure, testing the possibility that bent sources are formed in large-scale mergers. We use a suite of substructure analysis tools to determine the location and extent of substructure visible in the optical distribution of cluster galaxies. We also examine the X-ray structure of sources with available Chandra observations for additional evidence of substructure and as a comparison to our optical tests.

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