Mio-First Comprehensive Exploration of Mercury's Space Environment: Mission Overview

被引:29
作者
Murakami, Go [1 ]
Hayakawa, Hajime [1 ]
Ogawa, Hiroyuki [1 ]
Matsuda, Shoya [1 ]
Seki, Taeko [1 ]
Kasaba, Yasumasa [2 ]
Saito, Yoshifumi [1 ]
Yoshikawa, Ichiro [3 ]
Kobayashi, Masanori [4 ]
Baumjohann, Wolfgang [5 ]
Matsuoka, Ayako [6 ]
Kojima, Hirotsugu [7 ]
Yagitani, Satoshi [8 ]
Moncuquet, Michel [9 ]
Wahlund, Jan-Erik [10 ]
Delcourt, Dominique [11 ]
Hirahara, Masafumi [12 ]
Barabash, Stas [13 ]
Korablev, Oleg [14 ]
Fujimoto, Masaki [1 ]
机构
[1] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2525210, Japan
[2] Tohoku Univ, Grad Sch Sci, Planetary Plasma & Atmospher Res Ctr, Sendai, Miyagi 9808578, Japan
[3] Univ Tokyo, Dept Complex Sci & Engn, Kashiwa, Chiba 2778561, Japan
[4] Chiba Inst Technol, Planetary Explorat Res Ctr, 2-17-1 Tsudanuma, Narashino, Chiba 2750016, Japan
[5] Austrian Acad Sci, Space Res Inst, Schmiedlstr 6, A-8042 Graz, Austria
[6] Kyoto Univ, Grad Sch Sci, Data Anal Ctr Geomagnetism & Space Magnetism, Sakyo Ku, Kyoto 6068502, Japan
[7] Kyoto Univ, Res Inst Sustainable Humanosphere, Uji, Kyoto 6110011, Japan
[8] Kanazawa Univ, Adv Res Ctr Space Sci & Technol, Kanazawa, Ishikawa 9201192, Japan
[9] Univ PSL, CNRS, LESIA, Observ Paris, 5 Pl Jules Janssen, F-92195 Meudon, France
[10] Swedish Inst Space Phys, Box 537, SE-75121 Uppsala, Sweden
[11] Univ Orleans, CNRS, CNES, F-45071 Orleans, France
[12] Nagoya Univ, Inst Space Earth Environm Res, Nagoya, Aichi 4648601, Japan
[13] Swedish Inst Space Phys, Box 812, SE-98128 Kiruna, Sweden
[14] Russian Acad Sci, IKI RAS Space Res Inst, Profsoyuznaya St 84-32, Moscow 117997, Russia
关键词
Mercury; Magnetosphere; Exosphere; BepiColombo; Mercury Magnetospheric Orbiter (MMO); Mio; MESSENGER OBSERVATIONS; EXOSPHERE; PLANETS;
D O I
10.1007/s11214-020-00733-3
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Mercury has a unique and complex space environment with its weak global magnetic field, intense solar wind, tenuous exosphere, and magnetospheric plasma particles. This complex system makes Mercury an excellent science target to understand effects of the solar wind to planetary environments. In addition, investigating Mercury's dynamic magnetosphere also plays a key role to understand extreme exoplanetary environment and its habitability conditions against strong stellar winds. BepiColombo, a joint mission to Mercury by the European Space Agency and Japan Aerospace Exploration Agency, will address remaining open questions using two spacecraft, Mio and the Mercury Planetary Orbiter. Mio is a spin-stabilized spacecraft designed to investigate Mercury's space environment, with a powerful suite of plasma instruments, a spectral imager for the exosphere, and a dust monitor. Because of strong constraints on operations during its orbiting phase around Mercury, sophisticated observation and downlink plans are required in order to maximize science outputs. This paper gives an overview of the Mio spacecraft and its mission, operations plan, and data handling and archiving.
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页数:25
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