NAOC Open IR  > 太阳物理研究部
A solar radio moving type IV burst of expanding arches type involving multi-sources
Xie, RX; Wang, M; Duan, CC; Yan, YH; Sych, RA; Altyntsev, AT
2002-10-01
Source PublicationSCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY
Volume45Pages:97-105
AbstractA complex solar radio moving type IV burst was observed on 23 September 1998 with the broadband (1.0-2.0 GHz and 2.6-3.8 GHz) spectrometers with high temporal and spectral resolutions at National Astronomical Observatories of China (NAOC). Comparing to the high spatial resolution data of Siberian Solar Radio Telescope (SSRT), we find that this burst is a rare type of moving type IV burst which is caused by the expanding arches, and the spatial structure oscillations of the radio sources are related with the time structure pulsations of the radio emission. Furthermore, the burst is associated with the multiple quasi-periodic long-term pulsations, and this suggests the existence of multi-scale magnetic structures in a large expanding coronal arch. We think the moving type IV burst is due to the synchrotron emission of the energetic electrons trapped in the expanding arch, and the multiple quasi-periodic pulsations are due to the second harmonic plasma emission.
KeywordSun Moving Type Iv Burst Radio Pulsations Coronal Magnetic Structure
Indexed BySCI
Language英语
WOS IDWOS:000179653000015
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8546
Collection太阳物理研究部
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
3.Inst Solar Terr Phys, Irkutsk 664033, Russia
Recommended Citation
GB/T 7714
Xie, RX,Wang, M,Duan, CC,et al. A solar radio moving type IV burst of expanding arches type involving multi-sources[J]. SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,2002,45:97-105.
APA Xie, RX,Wang, M,Duan, CC,Yan, YH,Sych, RA,&Altyntsev, AT.(2002).A solar radio moving type IV burst of expanding arches type involving multi-sources.SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,45,97-105.
MLA Xie, RX,et al."A solar radio moving type IV burst of expanding arches type involving multi-sources".SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY 45(2002):97-105.
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