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

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

2003-02-25

arxiv.org/abs/astro-ph/0302509v1

Astronomy and Astrophysics

Astrophysics

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

Scientific paper

10.1046/j.1365-8711.2003.06561.x

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.

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