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Influence of tail-like magnetic field on O+ ion distribution in the Martian magnetosphere
Shi, J. K.; Liu, Z. X.; Zhang, T. L.; Torkar, K.; 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationScience in China Series E-Technological Sciences
2001
Volume44Issue:4Pages:421-426
ISSN1006-9321
Language英语
KeywordMars Tail-like Magnetic Field Flux Of O++ iO+n Intrinsic Moment Solar-wind Mars Escape Mission Origin
AbstractBased on the comparison with the Earth, using the LB magnetic field model, the distribution of O+ ion originating from the ionosphere in the Martian magnetosphere is theoretically studied under different conditions of the tail-like magnetic field. The results show that the tail-like magnetic field has influence on the O+ ion flux in the Martian magnetotail: (1) the O+ ion flux in the Martian tail will increase if the tail-like magnetic field increases; when the tail-like magnetic field increases from 5 nT to 20 nT, the O+ ion flux increases 3 times in the region of 2.8 R-m in the Martian tail; and (ii) the O+ ion flux decreases with increasing intrinsic moment; when the intrinsic moment increases about 5 times, the flux decreases to one fourth in the region of 2.8 R-m in the Martian tail. According to the data on the O+ ion flux and theoretical result in this paper, the deduced Martian intrinsic moment is about 2 x 10(21) Gcm(3). This is consistent with the most recent observation by the USA satellite MGS.
Indexed BySCI
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/122/1011
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Shi, J. K.,Liu, Z. X.,Zhang, T. L.,et al. Influence of tail-like magnetic field on O+ ion distribution in the Martian magnetosphere[J]. Science in China Series E-Technological Sciences,2001,44(4):421-426.
APA Shi, J. K.,Liu, Z. X.,Zhang, T. L.,Torkar, K.,&北京8701信箱.(2001).Influence of tail-like magnetic field on O+ ion distribution in the Martian magnetosphere.Science in China Series E-Technological Sciences,44(4),421-426.
MLA Shi, J. K.,et al."Influence of tail-like magnetic field on O+ ion distribution in the Martian magnetosphere".Science in China Series E-Technological Sciences 44.4(2001):421-426.
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