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ID: 5589.0, MPI für Astrophysik / High Energy Astrophysics at MPA
Chandra ACIS-S observations of Abell 4059: Signs of dramatic interaction between a radio galaxy and a galaxy cluster
Authors:Heinz, S.; Choi, Y. Y.; Reynolds, C. S.; Begelman, M. C.
Language:English
Date of Publication (YYYY-MM-DD):2002
Title of Journal:The Astrophysical Journal
Journal Abbrev.:Astrophys. J.
Volume:569
Issue / Number:2
Start Page:L79
End Page:L82
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We present Chandra observations of the galaxy cluster A4059. We find strong evidence that the FR I radio galaxy PKS 2354-35 at the center of A4059 is inflating cavities with radii similar to20 kpc in the intracluster medium (ICM), similar to the situation seen in Perseus A and Hydra A. We also find evidence for interaction between the ICM and PKS 2354-35 on small scales in the very center of the cluster. Arguments are presented suggesting that this radio galaxy has faded significantly in radio power (possibly from an FR II state) over the past 10(8) yr.
Free Keywords:galaxies : clusters : individual (Abell 4059); galaxies : jets; hydrodynamics; X-rays : galaxies : clusters
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astrophysik
External Affiliations:Max Planck Inst Astrophys, Karl Schwarzschild Str 1, D-85740; Garching, Germany; Max Planck Inst Astrophys, D-85740 Garching, Germany; Ewha Womans Univ, Dept Phys, Seoul 120750, South Korea; Ewha Womans Univ, CAIS, Seoul 120750, South Korea; Kyungpook Natl Univ, Ctr High energy Phys, Taegu 702701, South Korea; Univ Colorado, JILA, Boulder, CO 80309 USA; Univ Maryland, Dept Astron, College Pk, MD 20742 USA; Univ Colorado, Dept Astrophys & Planetary Sci, UCB 391, Boulder, CO 80309 USA
Identifiers:ISI:000174991300005
ISSN:0004-637X
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