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Statistical study of radio drifting pulsation structures with associated CMEs and other observations
Tan, Chengming1,2; Yan, Y. H.1; Liu, Y. Y.1; Fu, Q. J.1; Wang, S. J.1; Ji, H. R.1; Chen, Z. J.1; Jing, H. A.3
2008
Source PublicationADVANCES IN SPACE RESEARCH
Volume41Issue:6Pages:969-975
AbstractSolar radio burst, especially the fine structures (FSs) and the drifting pulsation structures (DPSs), may be used as an important diagnostics toolto draw the evolution map of the flare loop in the initial phase of solar flares. In this work, 52 radio events were found accompanying with DPSs. They were all observed with the Solar Radio Spectrometers (0.625-7.6 GHz) of China during 1998-2004. Combining the radio observations with LASCO-C2, Gocs-8 SXR, H(alpha), EUV and Trace observations, we analyzed all these events and obtained some statistic conclusions: First, 88% DPSs take place at the initial phase of the radio burst, and their rich spectrum characteristics are helpful to Understand the events further. Second, 83% DPSs are associated with CMEs or ejection events, and all the events are accompanied by Goes SXR flare. Third, for CMEs and DPSs, which take the first step, there is no significant predominance of either of them. The relationship between the DPSs and CMEs is still not clear in this study because of the lack of spatial resolution in the centimeter-decimeter band. However, the EIT or Trace ejection happened during the onset/end time of DPSs. They are signatures of the Initial phase of CMEs. Two events will be illustrated to explain this. (c) 2007 COSPAR. Published by Elsevier Ltd. All rights reserved.
KeywordSun : Radio Burst Sun : Drift Pulsation Structures Sun : Cmes Sun : Solar Flares
DOI10.1016/j.asr.2007.04.085
Indexed BySCI
Language英语
WOS IDWOS:000255104000019
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8342
Collection太阳物理研究部
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.CAS, Grad Sch, Beijing 100049, Peoples R China
3.Beijing Planetarium, Beijing 100044, Peoples R China
Recommended Citation
GB/T 7714
Tan, Chengming,Yan, Y. H.,Liu, Y. Y.,et al. Statistical study of radio drifting pulsation structures with associated CMEs and other observations[J]. ADVANCES IN SPACE RESEARCH,2008,41(6):969-975.
APA Tan, Chengming.,Yan, Y. H..,Liu, Y. Y..,Fu, Q. J..,Wang, S. J..,...&Jing, H. A..(2008).Statistical study of radio drifting pulsation structures with associated CMEs and other observations.ADVANCES IN SPACE RESEARCH,41(6),969-975.
MLA Tan, Chengming,et al."Statistical study of radio drifting pulsation structures with associated CMEs and other observations".ADVANCES IN SPACE RESEARCH 41.6(2008):969-975.
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