Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21840821d&link_type=abstract
American Astronomical Society, AAS Meeting #218, #408.21; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astrophysics
Scientific paper
Due to their frequent association with galaxy clusters and their connection to intracluster medium ram pressure, wide angle tail (WAT) radio sources have proven to be reliable tracers of high-density environments at a range of redshifts as well as possible indicators of dynamical activity within their host systems . In an effort to perform a coherent characterization of the global X-ray properties of WAT clusters, we have assembled a sample of 12 WAT systems observed with the Chandra X-ray Observatory, which are publicly available in the archive. We find that many of these clusters display both merger signatures and evidence of cool/high metallicity gas within 100 kpc of the WAT host galaxy, suggesting a possible relation between the formation of WATs and the presence of perturbed cool cores. To understand where WAT-hosting systems fall with respect to general cluster properties, we compare the results with those of an identical analysis of an archival sample of cool core and non-cool core clusters within a similar redshift range in which WAT radio sources are not present.
This work was supported by NASA through the Astrophysics Data Analysis Program, grant no. NNX10AC98G.
Blanton Elizabeth L.
Clarke Tracy E.
Douglass Edmund
Randall Scott W.
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