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アイテム
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Hard X-Ray Spectrum from West Lobe of Radio Galaxy Fornax A Observed with Suzaku
https://sucra.repo.nii.ac.jp/records/13431
https://sucra.repo.nii.ac.jp/records/134316d33cd39-0a29-480d-9f0b-2bdfad0853ce
名前 / ファイル | ライセンス | アクション |
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A1002887.pdf (405.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-06-18 | |||||
タイトル | ||||||
タイトル | Hard X-Ray Spectrum from West Lobe of Radio Galaxy Fornax A Observed with Suzaku | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | inverse Compton scattering | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | radiation mechanisms: non-thermal | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | radio: individual (radio galaxy,radio lobe,Fornax A) | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | X-rays: active galactic nuclei acceleration of particles | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | X-rays: individual (radio galaxy,radio lobe,Fornax A) | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
田代, 信
× 田代, 信 |
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著者 ローマ字 | ||||||
Tashiro, Makoto S. | ||||||
著者 ローマ字 | ||||||
Isobe, Naoki | ||||||
著者 ローマ字 | ||||||
Seta, Hiromi | ||||||
著者 ローマ字 | ||||||
Matsuta, Keiko | ||||||
著者 ローマ字 | ||||||
Yaji, Yuichi | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科物質科学部門 | ||||||
著者 所属(別言語) | ||||||
Saitama University | ||||||
書誌情報 |
Publications of the Astronomical Society of Japan 巻 61, 号 Sp. Iss. 1, p. S327-S335, 発行日 2009 |
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年月次 | ||||||
2009 | ||||||
出版者名 | ||||||
出版者 | Astronomical Society of Japan | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00046264 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | An observation of the West lobe of radio galaxy Fornax A (NGC 1316) with Suzaku is reported. Since Feigelson et al. (1995, ApJ, 449, L149) and Kaneda et al.(1995, AN, 453, L13) discovered the cosmic microwave background boosted inverse-Comptonized (IC) X-rays from the radio lobe, the magnetic field and electron energy density in the lobes have been estimated under the assumption that a single component of the relativistic electrons generates both the IC X-rays and the synchrotron radio emission. However, electrons generating the observed IC X-rays in the 1-10 keV band do not possess sufficient energy to radiate the observed synchrotron radio emission under the estimated magnetic field of a few mu G. On the basis of observations made with Suzaku, we show in the present paper that a 0.7-20 keV spectrum is well described by a single power-law model with an energy index of 0.68 and a flux density of 0.12 +/- 0.01 nJy at 1 keV from the West lobe. The derived multiwavelength spectrum strongly suggests that a single electron energy distribution over a Lorentz factor gamma = 300-90000 is responsible for generating both the X-ray and radio emissions. The derived physical quantities are not only consistent with those reported for the West lobe, but are also in very good agreement with those reported for the East lobe. | |||||
版 | ||||||
[著者版] | ||||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2009-06-18 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002887 |