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Solar centimetric type N and type M bursts
Wang M(汪敏); Fu, QJ; Xie RX(谢瑞祥); Wang, M (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Astron Observ, Kunming 650011, Peoples R China.
会议录名称COSPAR COLLOQUIA SERIES - SOLAR-TERRESTRIAL MAGNETIC ACTIVITY AND SPACE ENVIRONMENT
2002
卷号14
页码183-188
产权排序第1完成单位
收录类别CPCI
会议名称Colloquium on Solar-Terrestrial Magnetic Activity and Space Environment
会议日期2001-09-10
会议地点BEIJING, PEOPLES R CHINA
关键词Sun : Solar Radio Fine Structures Centimetric Type n And m Bursts
摘要Two special fine structures observed with the 5.2-7.6 GHz high temporal and spectral resolution spectrometer of National Astronomical Observatories of China (NAOC) are described and analyzed in this paper. Because they appear as the letters N and M on dynamic spectra, we call them centimetric type N and type M bursts, respectively. They have very short durations (about 500 ins and 300 ms), small flux densities (tens of SFU), narrow bandwidth (relative bandwidth about 10\%), and very small polarization degree (close to the accuracy limit of observation instruments), but each branch has considerable high frequency drift rates (several GHz/s). We think that they are an extension of metric or decimetric type U(N) bursts in centimetric wavelengths. Type N and type M bursts may be due to the mirroring effect near the foot point, as well as a scattering effect caused by whistler wave turbulence near the top of loop. They may also be interpreted by the quasi-periodic particle injection into coronal loops.
项目资助者CHINESE ACAD SCI, NATL ASTRON OBSERV ; CHINESE ACAD SCI, NATL ASTRON OBSERV
语种英语
学科领域Astronomy & Astrophysics
出版者PERGAMON-ELSEVIER SCIENCE LTD
出版地THE BOULEVARD, LANGFORD LANE,, KIDLINGTON OX5 1GB, OXFORD, ENGLAND
ISBN号0-08-044110-6
URL查看原文
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5715
专题射电天文研究组
通讯作者Wang, M (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Astron Observ, Kunming 650011, Peoples R China.
推荐引用方式
GB/T 7714
Wang M,Fu, QJ,Xie RX,et al. Solar centimetric type N and type M bursts[C]. THE BOULEVARD, LANGFORD LANE,, KIDLINGTON OX5 1GB, OXFORD, ENGLAND:PERGAMON-ELSEVIER SCIENCE LTD,2002:183-188.
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