本文分析了我国“风云一号(B)”气象卫星粒子探测器在运行期间(1990年9月3日至1991年2月15日)探测到的空间粒子辐射.探测能量为 4—23MeV/n范围的H,He,C,N O,和Fe等重离子。观测到内辐射带质子强度在太阳活动期间有明显的增强,并有z≥6的重粒子存在。除观测到宇宙线异常成分中的碳、氮和氧外,还观测到异常铁成分存在。这是我国首次在卫星上观测到上述空间粒子环境,这些带电粒子可能对卫星运行状态产生了不良影响。
本文介绍“风云一号”(B)星上的“宇宙线成份监测器”于1990年11月19至24日对内辐射带质子的观测结果。通过对这些结果的分析,本文获得了4—23 MeV能量范围内辐射带质子垂直强度在磁坐标内的分布特征。同时,本文还给出了100°E子午面内质子垂直强度的分布。分析表明,所得结果与辐射带理论一致。
This paper analyses the solar proton events observed by the cosmic ray composition detectot on board the Chinese“Fengyun 1” (FY一1 meteorological satellite.They include the evenon Sept.4,1990 and on Feb.1 and 2,1991 especially the later events are observed by the Rio meter at the antarct~ Zhong Shang station and by the superneutron monitor at Beijing Station This shows that the events include the solar protons with very high energy and have very wide energy spectrum.Besides solar protons, particles,carbon,nitrogen,oxygen and iron particles are also observed at the same time.h is the first time in China that the solar proton events roron event,Solar flare