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Relativistic jet feedback - II. Relationship to gigahertz peak spectrum and compact steep spectrum radio galaxies

Bicknell, Geoffrey; Mukherjee, Dipanjan; Wagner, Alexander; Sutherland, Ralph; Nesvadba, Nicole


We propose that Gigahertz Peak Spectrum (GPS) and Compact Steep Spectrum (CSS) radio sources are the signposts of relativistic jet feedback in evolving galaxies. Our simulations of relativistic jets interacting with a warm, inhomogeneous medium, utilizing cloud densities and velocity dispersions in the range derived from optical observations, show that free-free absorption can account for the ~ GHz peak frequencies and low-frequency power laws inferred from the radio observations. These new...[Show more]

CollectionsANU Research Publications
Date published: 2018-04
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/sty070
Access Rights: Open Access


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