The electron and magnetic field energies in the east lobe of the radio galaxy fornax a, measured with XMM-Newton

N. Isobe, K. Makishima, M. Tashiro, K. Ito, Naoko Iyomoto, H. Kaneda

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

抄録

In an XMM-Newton observation of the east lobe of nearby radio galaxy Fonrax A, we have significantly detected the diffuse X-ray emission, which was originally discovered by ASCA and ROSAT. The X-ray spectrum of the diffuse emission is described by a single power-law model, modified with the Galactic absorption toward the object. The best-fit X-ray photon index, 1.62 -0.15,0.25 agrees well with the synchrotron radio index, 1.68 ±0.05, between 29.9 MHz and 5 GHz. Therefore, the inverse Compton interpretation for the diffuse X-ray emission is justified. A comparison between the radio and X-ray flux densities gives a moderate electron-energy dominance over in the east lobe of Fornax A, in spite of the dormancy of its nucleus. We also reexamined the ASCA result on the west lobe, to find that both lobes share the similar physical condition.

本文言語英語
ホスト出版物のタイトルX-ray Universe 2005
ページ585-589
ページ数5
604
出版ステータス出版済み - 4月 10 2006
外部発表はい
イベントX-ray Universe 2005 - Madrid, スペイン
継続期間: 9月 26 20059月 30 2005

出版物シリーズ

名前European Space Agency, (Special Publication) ESA SP
番号604
2
ISSN(印刷版)0379-6566

その他

その他X-ray Universe 2005
国/地域スペイン
CityMadrid
Period9/26/059/30/05

!!!All Science Journal Classification (ASJC) codes

  • 航空宇宙工学
  • 宇宙惑星科学

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