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题名: Discovery of helical magnetic fields in ACN, and CME and ejection of large-scale magnetic fields from AGN
作者: Chu, HS; Baath, LB; Zhang, FJ; Spencer, RE; Li, XD; Trimble, V; Wang, ZR
刊名: HIGH ENERGY PROCESSES AND PHENOMENA IN ASTROPHYSICS
出版日期: 2003
期号: 214, 页码:303-308
文章类型: Article
英文摘要: Magnetic Fields are the crucial and most important ingredient involved in the processes of various violent activities in Active Galactic Nuclei and other celestial bodies. The generally accepted 2-sided symmetric-jets model of active galactic nuclei (AGN) does not include the magnetic fields. We present here the first direct detection of helical magnetic field in AGN, and the first direct detection of ejection of large scale magnetic fields from AGN. (CME) 2. The annular (helical) magnetic field is responsible for the collimation of the jet (through Pinch Effect) and may be of crucial importance for extraction of black hole rotational energy. 3. The CMEs are responsible for sporadic ejection of jet components in AGN, while the general accepted 2-sided jets pertain to the quiescent Jets. 4.Observations show that the CME with Asymmetric Jets can explain many phenomena and much of the morphological diversities in AGN.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]: Astronomy & Astrophysics ; Physics
收录类别: ISTP ; SCI
语种: 英语
WOS记录号: WOS:000189431800052
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15837
Appears in Collections:太阳高能及相关物理过程研究团组_期刊论文

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作者单位: 1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Univ Halmstad, Ctr Imaging Technol, S-30118 Halmstad, Sweden
3.Chinese Acad Sci, Shanghai Observ, Shanghai, Peoples R China
4.Univ Manchester, NRAL, Jodrell Bank, Manchester M13 9PL, Lancs, England
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