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Probing the non-thermal emission in the Perseus cluster with the JVLA

Published online by Cambridge University Press:  07 April 2020

M. Gendron-Marsolais ,
J. Hlavacek-Larrondo ,
R. J. van Weeren ,
T. Clarke ,
A. C. Fabian ,
H. T. Intema Open the ORCID record for H. T. Intema [Opens in a new window] ,
G. B. Taylor ,
K. M. Blundell  and
J. S. Sanders
M. Gendron-Marsolais
Affiliation:
Département de Physique, Université de Montréal, Montréal, QC H3C 3J7, Canada email: marie-lou@astro.umontreal.ca
J. Hlavacek-Larrondo
Affiliation:
Département de Physique, Université de Montréal, Montréal, QC H3C 3J7, Canada email: marie-lou@astro.umontreal.ca
R. J. van Weeren
Affiliation:
Leiden Observatory, Leiden University, Niels Bohrweg 2, NL-2333CA, Leiden, The Netherlands
T. Clarke
Affiliation:
Naval Research Laboratory, Code 7213, 4555 Overlook Ave. SW, Washington, DC20375, USA
A. C. Fabian
Affiliation:
Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA
H. T. Intema
Affiliation:
Leiden Observatory, Leiden University, Niels Bohrweg 2, NL-2333CA, Leiden, The Netherlands
G. B. Taylor
Affiliation:
Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM 87131, USA
K. M. Blundell
Affiliation:
University of Oxford, Astrophysics, Keble Road, Oxford OX1 3RH, UK
J. S. Sanders
Affiliation:
Max-Planck-Institut für extraterrestrische Physik, 85748 Garching, Germany
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Abstract

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We present deep low radio frequency (230-470 MHz) observations from the Karl G. Jansky Very Large Array of the Perseus cluster, probing the non-thermal emission from the old particle population of the AGN outflows. Our observations of this nearby relaxed cool core cluster have revealed a multitude of new structures associated with the mini-halo, extending to hundreds of kpc in size. Its irregular morphology seems to have been influenced both by the AGN activity and by the sloshing motion of the cluster’ gas. In addition, it has a filamentary structure similar to that seen in radio relics found in merging clusters. These results illustrate the high-quality images that can be obtained with the new JVLA at low radio-frequencies.

Keywords

galaxies: clusters: Perseus clustercooling flowsradio continuum: galaxiesX-rays: galaxies: clusters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S342: Perseus in Sicily: From Black Hole to Cluster Outskirts , May 2018 , pp. 44 - 52
Copyright
© International Astronomical Union 2020

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