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Correlation between energetic ion enhancements and heliospheric current sheet crossings in the outer heliosphere
Richardson, J. D.; Stone, E. C.; Cummings, A. C.; Kasper, J. C.; Zhang, M.; Burlaga, L. F.; Ness, N. F.; Liu, Y.; 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationGeophysical Research Letters
2006
Volume33Issue:21Pages:L21112
ISSN0094-8276
Language英语
KeywordCosmic-ray Modulation Termination Shock Voyager-2 Observations Heliosheath Models Drift
AbstractVoyagers 1 and 2 observed highly-variable beams of energetic ions in the foreshock region upstream of the termination shock (TS). At Voyager 2 (V2), the ion intensities are generally not related to the plasma properties. At Voyager 1 (V1), the beams are often coincident with crossings of the heliospheric current sheet (HCS). The V1 intensity peaks occur when the HCS is crossed from negative to positive magnetic polarities and V1 is within a few AU of the TS. Two mechanisms are considered: current sheet drift and streaming of ions from the TS along magnetic field lines which are parallel to the HCS. The current sheet drift hypothesis predicts that enhancements observed at V2 will occur when the HCS is crossed in the opposite direction, from positive to negative magnetic polarity, since V2 is at southern heliolatitudes.
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/122/1043
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Richardson, J. D.,Stone, E. C.,Cummings, A. C.,et al. Correlation between energetic ion enhancements and heliospheric current sheet crossings in the outer heliosphere[J]. Geophysical Research Letters,2006,33(21):L21112.
APA Richardson, J. D..,Stone, E. C..,Cummings, A. C..,Kasper, J. C..,Zhang, M..,...&北京8701信箱.(2006).Correlation between energetic ion enhancements and heliospheric current sheet crossings in the outer heliosphere.Geophysical Research Letters,33(21),L21112.
MLA Richardson, J. D.,et al."Correlation between energetic ion enhancements and heliospheric current sheet crossings in the outer heliosphere".Geophysical Research Letters 33.21(2006):L21112.
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