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月表磁异常影响的太阳风电子反射运动
Alternative TitleSolar Wind Electrons Reflected by the Lunar Crustal Magnetic Field
冯永勇; 徐荣栏; 赵华; 北京8701信箱
Department太阳系探测联合研究中心
Source Publication空间科学学报
2009
Volume29Issue:2Pages:161-165
ISSN0254-6124
Language中文
Keyword电子反射法 遥感探测 磁场异常区 太阳风电子
Abstract模拟太阳风电子向月表运动的轨迹,研究由于月表磁异常的存在造成的电子反射运动.首先设定行星际磁场玩.指向月球并与月表垂直,将月表的磁异常区看成是一个磁偶极子,偶极矩大小为Mcb;然后分别考察该偶极矩与行星际磁场方向平行,反平行以及±90°的情形,通过计算发现,被反射的电子数目会随着磁偶极矩和行星际磁场的方向改变向改变.在偶极矩与行星际磁场平行的情况下,反射率最大;随着夹角的增大,反射率减小.这些结果为利用电子反射法高精度遥测月表磁场提供了很重要的信息.
Other AbstractIn this paper, the solar wind electrons which are moving toward the moon surface are traced to study the reflection of these electrons due to the crustal magnetic field of the moon. The magnetic field in the solar wind BeW is supposed to be perpendicular with the moon surface, and the crustal magnetic field is supposed as a small dipole field with a moment M0b, where M0b are parallel, anti-parallel, and士900 correspond to the direction of the BeW. The calculation shows that the reflection number of the electrons varied with the angle between M0b and BeW. When M0b is parallel with BB the number of the reflected particles is the largest. The number decreases when the angle between M0b and BeW increases. These results are expected to provide some important information for the remote measuring of the lunar crustal magnetic field by using electron reflectometry technique.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1568
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
冯永勇,徐荣栏,赵华,等. 月表磁异常影响的太阳风电子反射运动[J]. 空间科学学报,2009,29(2):161-165.
APA 冯永勇,徐荣栏,赵华,&北京8701信箱.(2009).月表磁异常影响的太阳风电子反射运动.空间科学学报,29(2),161-165.
MLA 冯永勇,et al."月表磁异常影响的太阳风电子反射运动".空间科学学报 29.2(2009):161-165.
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