The electron drift instrument for Cluster

被引:70
作者
Paschmann, G
Melzner, F
Frenzel, R
Vaith, H
Parigger, P
Pagel, U
Bauer, OH
Haerendel, G
Baumjohann, W
Scopke, N
Torbert, RB
Briggs, B
Chan, J
Lynch, K
Morey, K
Quinn, JM
Simpson, D
Young, C
McIlwain, CE
Fillius, W
Kerr, SS
Mahieu, R
Whipple, EC
机构
[1] UNIV NEW HAMPSHIRE, DURHAM, NH 03824 USA
[2] UNIV CALIF SAN DIEGO, LA JOLLA, CA 92093 USA
[3] UNIV WASHINGTON, SEATTLE, WA 98195 USA
关键词
D O I
10.1023/A:1004917512774
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Electron Drift Instrument (EDI) measures the drift of a weak beam of test electrons that, when emitted in certain directions, return to the spacecraft after one or more gyrations. This drift is related to the electric field and the gradient in the magnetic field, and these quantities can, by use of different electron energies, be determined separately. As a by-product, the magnetic field strength is also measured. The present paper describes the scientific objectives, the experimental method, and the technical realization of the various elements of the instrument.
引用
收藏
页码:233 / 269
页数:37
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