Observations of Jovian upstream events by Ulysses

被引：16

作者：

Haggerty, D ^{[1
]}

Armstrong, TP ^{[1
]}

机构：

[1] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66044 USA

来源：

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS | 1999年 / 104卷 / A3期

关键词：

D O I：

10.1029/1998JA900148

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The heliosphere instrument for spectra composition and anisotropy at low energy (HISCALE) experiment on board the Ulysses spacecraft, during the Jovian flyby, measured 192 distinct 61-77 keV upstream ion events of probable Jovian origin. Event-averaged characteristics such as intensities, anisotropies, power law spectral exponents, averaged event duration, and magnetic field configurations were obtained. Within 1000 R-J, all ion observations >2.92 particles/(cm(2) sr s keV) were found to be of probable Jovian origin. Evidence for velocity dispersion and convecting spatial structures was discovered through detailed analysis of individual events. Jupiter was found to be a significant source of interplanetary ions and electrons.

引用

页码：4629 / 4642

页数：14

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