LOCAL TIME OCCURRENCE FREQUENCY OF ENERGETIC IONS IN THE EARTHS MAGNETOSHEATH

被引：8

作者：

FUSELIER, SA

HILL, P

BAUMJOHANN, W

GOSLING, JT

机构：

[1] MAX PLANCK INST EXTRATERR PHYSIK,W-8046 GARCHING,GERMANY

[2] LOS ALAMOS NATL LAB,LOS ALAMOS,NM 87545

来源：

GEOPHYSICAL RESEARCH LETTERS | 1993年 / 20卷 / 07期

关键词：

D O I：

10.1029/93GL00807

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The occurrence frequency of energetic ions in the energy range from 8 to 40 keV/e as a function of local time in the magnetosheath is presented. Energetic ions are observed in the magnetosheath with a minimum probability of 25% for all local times. The occurrence frequency for the energetic ions is higher on the dawnside than on the duskside but shows a relative maximum post-noon in the local time range from 12 to 15 hours. The post-noon relative maximum is attributed to a magnetospheric source for the energetic ions while the dawn-dusk asymmetry is attributed to a quasi-parallel bow shock source.

引用

页码：551 / 554

页数：4

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