Identification of sources of Pc1 geomagnetic pulsations on the basis of proton aurora observations

被引：6

作者：

Yahnin, A. G. ^{[1
]}

Yahnina, T. A. ^{[1
]}

Frey, H. U. ^{[2
]}

机构：

[1] Russian Acad Sci, Kola Sci Ctr, Polar Geophys Inst, Apatity 184200, Murmansk Oblast, Russia

[2] Univ Calif Berkeley, Space Res Lab, Berkeley, CA 94720 USA

来源：

COSMIC RESEARCH | 2008年 / 46卷 / 04期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/S0010952508040084

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The relationship between proton aurora and geomagnetic pulsations Pc1, which are an indicator of development of ion-cyclotron instability in the equatorial magnetosphere, are studied on the basis of the observations of proton aurora from the IMAGE satellite, observations of particle fluxes onboard the low-orbiting NOAA satellites, and geomagnetic pulsation observations at the Lovozero observatory. A conclusion is drawn that the subauroral spots in the proton emission projected into the magnetosphere near the plasmapause are two-dimensional images at the ionospheric "screen" of the region of intense scattering of energetic protons into the loss cone at the development of an ion-cyclotron instability.

引用

页码：335 / 338

页数：4

共 50 条

[1] Identification of sources of Pc1 geomagnetic pulsations on the basis of proton aurora observations
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T. A. Yahnina
H. U. Frey
[J]. Cosmic Research, 2008, 46 : 335 - 338
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[J]. Adv. Space Res., 2006, 8 (1572-1575):
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