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Extragalactic jets as probes of distant clusters of galaxies and the clusters occupied by bent radio AGN (COBRA) survey

Published online by Cambridge University Press:  24 March 2015

Elizabeth L. Blanton ,
Rachel Paterno-Mahler ,
Joshua D. Wing ,
M. L. N. Ashby ,
Emmet Golden-Marx ,
Mark Brodwin ,
E. M. Douglass ,
Scott W. Randall  and
T. E. Clarke
Elizabeth L. Blanton
Affiliation:
Institute for Astrophysical Research and Department of Astronomy, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USA email: eblanton@bu.edu, rachelpm@bu.edu, emmetgm@bu.edu
Rachel Paterno-Mahler
Affiliation:
Institute for Astrophysical Research and Department of Astronomy, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USA email: eblanton@bu.edu, rachelpm@bu.edu, emmetgm@bu.edu
Joshua D. Wing
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA email: jwing@cfa.harvard.edu, mashby@cfa.harvard.edu, srandall@cfa.harvard.edu
M. L. N. Ashby
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA email: jwing@cfa.harvard.edu, mashby@cfa.harvard.edu, srandall@cfa.harvard.edu
Emmet Golden-Marx
Affiliation:
Institute for Astrophysical Research and Department of Astronomy, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USA email: eblanton@bu.edu, rachelpm@bu.edu, emmetgm@bu.edu
Mark Brodwin
Affiliation:
Department of Physics and Astronomy, University of Missouri Kansas City, MO 64110, USA email: brodwinm@umkc.edu
E. M. Douglass
Affiliation:
Department of Physics, Farmingdale State College Lupton 200, 2350 Broadhollow Rd., Farmingdale, NY 11735, USA email: edmund.douglass@farmingdale.edu
Scott W. Randall
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA email: jwing@cfa.harvard.edu, mashby@cfa.harvard.edu, srandall@cfa.harvard.edu
T. E. Clarke
Affiliation:
Naval Research Laboratory Code 7213, 4555 Overlook Ave SW, Washington, DC 20375, USA email: tracy.clarke.ca@nrl.navy.mil
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Abstract

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We are conducting a large survey of distant clusters of galaxies using radio sources with bent jets and lobes as tracers. These radio sources are driven by AGN and achieve their bent morphologies through interaction with the surrounding gas found in clusters of galaxies. Based on low-redshift studies, these types of sources can be used to identify clusters very efficiently. We present initial results from our survey of 653 bent-double radio sources with optical hosts too faint to appear in the SDSS. The sample was observed in the infrared with Spitzer, and it has revealed ~200 distant clusters or proto-clusters in the redshift range z ~ 0.7 - 3.0. The sample of bent-doubles contains both quasars and radio galaxies enabling us to study both radiative and kinetic mode feedback in cluster and group environments at a wide range of redshifts.

Keywords

galaxies: clusters: generalgalaxies: high-redshiftgalaxies: jetsinfrared: galaxiesradio continuum: galaxiesX-rays: galaxies: clusters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Issue S313: Extragalactic jets from every angle , September 2014 , pp. 315 - 320
Copyright
Copyright © International Astronomical Union 2015 

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