太阳分米波射电快速精细结构的观测分析  

The Statistics and Analysis for Fast Radio Fine Structures Observed with the 0.7-1.5 GHz Spectrograph in Yunnan Observatory

作　　者：段长春[1] 汪敏[1] 许春[1] 谢瑞祥[1] 

机构地区：[1]中国科学院国家天文台云南天文台,云南昆明650011

出　　处：《云南天文台台刊》2002年第4期19-28,共10页Publications of the Yunnan Observatoty

基　　金：国家自然科学基金资助项目(19833050和19973016);973资助项目(G2000078403).

摘　　要：通过分析云南天文台(YNO)0.7～1.5GHz太阳射电频谱仪2000年9月至2001年9月取得的158个射电爆发,发现其中约有65%存在4类不同类型的快速精细结构(FFS):毫秒尖峰辐射、Ⅲ型爆发、准周期脉动、慢漂移结构。给出了其中6个典型精细结构的介绍和相关的初步解释。After analyzing 158 radio bursts observed from September 2000 to September 2001 with the 0.7-1.5GHz spectrometer in Yunnan Observatory, we have found that there were fast fine structures (FFS) in 65% of the observed bursts.These fine structures are classified into four classes:millisecond spikes,type Ⅲ bursts,quasi-periodic pulsations,slowly drifting structures.Six typical and representative events of the FFSs and the interpretation of them are presented in this paper.

关 键 词：太阳分米波 快速精细结构 射电爆发 FFS 准周期脉动 慢漂移结构 

分 类 号：P182.24[天文地球—天文学]