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Radio imaging of head-tailed galaxies from an in-falling filament of the Horologium-Reticulum supercluster

Published online by Cambridge University Press:  06 October 2004

M. Johnston-Hollitt ,
M. Fleenor ,
J. Rose ,
W. Christiansen  and
R. W. Hunstead
M. Johnston-Hollitt
Affiliation:
Leiden Observatory, PO Box 9513, 2300 RA Leiden, The Netherlands email:johnston@strw.leidenuniv.nl
M. Fleenor
Affiliation:
Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27599-3255, USA
J. Rose
Affiliation:
Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27599-3255, USA
W. Christiansen
Affiliation:
Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27599-3255, USA
R. W. Hunstead
Affiliation:
School of Physics, University of Sydney, NSW 2006, Australia
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Abstract

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We present a multi-wavelength study of a pair of head-tailed radio galaxies in an in-falling filament of the A3125/A3128 cluster complex which is located at the centre of the massive Horologium Reticulum Supercluster (HRS). We compare the large-scale structure evident from extensive optical observations of the region with the dynamical information gleaned from the morphology of the radio jets. We argue that in addition to the acceleration produced by in-fall toward the centre of A3125, the closest galaxy cluster, the radio jets show some evidence of bulk motion along the major filament of the HRS.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUC195 , March 2004 , pp. 423 - 425
Copyright
© 2004 International Astronomical Union