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题名: Diagnosing physical conditions near the flare energy-release sites from observations of solar microwave type III bursts
作者: Tan, Bao-Lin1; Karlicky, Marian2; Meszarosova, Hana2; Huang, Guang-Li3
刊名: RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期: 2016-05-01
卷号: 16, 期号:5
关键词: Sun: radio radiation ; Sun: flares ; Sun: corona
DOI: 10.1088/1674-4527/16/5/082
文章类型: Article
英文摘要: In the physics of solar flares, it is crucial to diagnose the physical conditions near the flare energy-release sites. However, so far it is unclear how to diagnose these physical conditions. A solar microwave type III burst is believed to be a sensitive signature of primary energy release and electron accelerations in solar flares. This work takes into account the effect of the magnetic field on the plasma density and develops a set of formulas which can be used to estimate the plasma density, temperature, magnetic field near the magnetic reconnection site and particle acceleration region, and the velocity and energy of electron beams. We apply these formulas to three groups of microwave type III pairs in an X-class flare, and obtained some reasonable and interesting results. This method can be applied to other microwave type III bursts to diagnose the physical conditions of source regions, and provide some basic information to understand the intrinsic nature and fundamental processes occurring near the flare energy-release sites.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: HARD X-RAYS ; RADIO-BURSTS ; MAGNETIC RECONNECTION ; ELECTRON-BEAMS ; EMISSION ; CORONA ; ACCELERATION ; SPECTROMETER ; PULSATIONS ; EVENTS
收录类别: SCI
项目资助者: National Natural Science Foundation of China(11273030 ; MOST Grant(2014FY120300 ; National Major Scientific Equipment RD Project(ZDYZ 2009-3) ; Astronomical Institute AS(RVO: 67985815 ; Marie Curie project(PIRSES-GA-295272-RADIOSUN) ; 11221063 ; CAS XDB09000000) ; P209/12/00103) ; 11373039 ; 11433006)
语种: 英语
WOS记录号: WOS:000375793000013
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/16213
Appears in Collections:太阳活动的多波段观测研究团组_期刊论文

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作者单位: 1.Chinese Acad Sci, Key Lab Solar Act, Natl Astron Observ, Beijing 100012, Peoples R China
2.Acad Sci Czech Republic, Inst Astron, CS-25165 Ondrejov, Czech Republic
3.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
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