摘要
本文分析了云南天文台太阳射电高时间分辨率同步观测系统从1988年1月到1989年6月期间在分米波(1420MHz)上的观测资料,指出太阳分米波射电毫秒尖峰辐射同秒级射电爆发的关系;同时还指出了分米波射电毫秒尖峰辐射同太阳H_α耀斑、米波Ⅲ型射电爆发及太阳软X射线爆发的共生关系.粗略分析了一次有丰富射电毫秒尖峰辐射的太阳活动,讨论了单个尖峰的寿命同流量的关系.
The observation results at 1420MHz during January 1988 to June 1989 taken by using three-frequency high-time resolution synchronous observation system of solar radio in Yunnan Observatory are analysed. The decimeteric millisecond spikes are found in about 20% of all radio bursts. The relation between the decimeteric millisecond spikes and radio bursts is discussed, and it is found that spikes always appeared at the rise and maximum phase of impulsive radio bursts. The association of decimeteric millisecond spikes with H_α flares is found to be high(90%). The decimeteric millisecond spikes are also frequently accompanied by type Ⅲ bursts and soft X-ray bursts. A solar activity accompanied with abundant radio spikes is analysed briefly, and the relation between the intensity of single spike and its duration is discussed.
出处
《天文学报》
CSCD
北大核心
1991年第3期252-257,共6页
Acta Astronomica Sinica
基金
中国科学院科学基金
