Inverse Compton X-rays from the radio galaxy 3C 219

Abstract

We report the results from a Chandra observation of the powerful nearby (z=0.1744) radio galaxy 3C 219. We find evidence for non-thermal X-ray emission from the radio lobes which fits fairly well with a combination of inverse Compton scattering of Cosmic Microwave Background radiation and of nuclear photons with the relativistic electrons in the lobes. The comparison between radio synchrotron and IC emission yields a magnetic field strength significantly lower (about a factor 3) than that calculated under minimum energy conditions; the source energetics is then dominated by the relativistic particles.

5 pages, 2 color figures, Accepted for publication in MNRAS pink pages

References in corpus (3)

• Magnetic field strengths in the hotspots and lobes of three powerful FRII radio sources
• A Chandra detection of diffuse hard X-ray emission associated with the lobes of the radio galaxy 3C 452
• Detection of X-ray Emission from the Eastern Radio Lobe of PICTOR A

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