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

被引：34

作者：

Comastri, A

Brunetti, G

Dallacasa, D

Bondi, M

Pedani, M

Setti, G

机构：

[1] Osservatorio Astron Bologna, INAF, I-40127 Bologna, Italy

[2] CNR, Ist Radioastron, I-40129 Bologna, Italy

[3] Univ Bologna, Dipartimento Astron, I-40127 Bologna, Italy

[4] INAF, Ctr Galileo Galilei, SC La Palma 38700 T, Spain

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2003年 / 340卷 / 04期

关键词：

radiation mechanisms : non-thermal; galaxies : active; galaxies : individual : 3C 219; radio continuum : galaxies; X-rays : galaxies;

D O I：

10.1046/j.1365-8711.2003.06561.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 (similar to3) than that calculated under minimum energy conditions; the source energetics is then dominated by the relativistic particles.

引用

页码：L52 / U1

页数：6

共 23 条

[1] The LX-T relation and intracluster gas fractions of X-ray clusters [J].