MEFISTO -: An electric field instrument for BepiColombo/MMO

被引：0

作者：

Blomberg, L. G. ^{[1
]}

Matsumoto, H. ^{[2
]}

Bougeret, J. -L. ^{[3
]}

Kojima, H. ^{[2
]}

Yagitani, S. ^{[4
]}

Cumnock, J. A. ^{[1
]}

Eriksson, A. I. ^{[5
]}

Marklund, G. T. ^{[1
]}

Wahlund, J. -E. ^{[5
]}

Bylander, L. ^{[1
]}

Ahlen, L. ^{[5
]}

Holtet, J. A. ^{[6
]}

Ishisaka, K. ^{[7
]}

Kallio, E. ^{[8
]}

Kasaba, Y. ^{[9
]}

Matsuoka, A. ^{[9
]}

Moncuquet, M. ^{[3
]}

Mursula, K. ^{[10
]}

Omura, Y. ^{[2
]}

Trotignon, J. G. ^{[11
]}

机构：

[1] Royal Inst Technol, Alfven Lab, S-10044 Stockholm, Sweden

[2] Kyoto Univ, Res Inst Sustainable Humanosphere, Kyoto 6068501, Japan

[3] Observ Paris, Meudon, France

[4] Kanazawa Univ, Grad Sch Nat Sci & Technol, Kanazawa, Ishikawa 920, Japan

[5] Swedish Inst Space Phys, Uppsala, Sweden

[6] Univ Oslo, Dept Phys, N-0316 Oslo, Norway

[7] Toyama Prefectural Univ, Kosugi, Japan

[8] Finnish Meteorol Inst, Space Res Unit, Helsinki, Finland

[9] JAXA, ISAS, Sagamihara, Kanagawa, Japan

[10] Univ Oulu, Dept Phys, Oulu, Finland

[11] Lab Phys & Chim Environm, Orleans, France

来源：

ADVANCES IN SPACE RESEARCH | 2006年 / 38卷 / 04期

关键词：

mercury; magnetosphere; exosphere; solar system exploration; electric fields; space plasma physics;

D O I：

暂无

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

MEFISTO, together with the companion instrument WPT, are planning the first-ever in situ measurements of the electric field in the magnetosphere of planet Mercury. The instruments have been selected by JAXA for inclusion in the BepiColombo/MMO payload, as part of the Plasma Wave Investigation coordinated by Kyoto University. The magnetosphere of Mercury was discovered by Mariner 10 in 1974 and will be studied further by Messenger starting in 2011. However, neither spacecraft did or will measure the electric field. Electric fields are crucial in the dynamics of a magnetosphere and for the energy and plasma transport between different regions within the magnetosphere as well as between the magnetosphere and the surrounding regions. The MEFISTO instrument will be capable of measuring electric fields from DC to 3 MHz, and will thus also allow diagnostics of waves at all frequencies of relevance to the Hermean magnetosphere. MEFISTO is a double-probe electric field instrument. The double-probe technique has strong heritage and is well proven on missions such as Viking, Polar, and Cluster. For BepiColombo, a newly developed deployment mechanism is planned which reduces the mass by a factor of about 5 compared to conventional mechanisms for 15 in long booms. We describe the basic characteristics of the instrument and briefly discuss the new developments made to tailor the instrument to flight in Mercury orbit. (c) 2005 COSPAR. Published by Elsevier Ltd. All rights reserved.

引用

页码：672 / 679

页数：8

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