Ion escape at Mars:: Comparison of a 3-D hybrid simulation with Mars Express IMA/ASPERA-3 measurements

被引：36

作者：

Kallio, E.

Fedorov, A.

Budnik, E.

Sales, T.

Janhunen, P.

Schmidt, W.

Koskinen, H.

Riihela, P.

Barabash, S.

Lundin, R.

Holmstrom, M.

Gunell, H.

Brinkfeldt, K.

Futaana, Y.

Andersson, H.

Yamauchi, A.

Grigoriev, A.

Sauvaud, J. -A.

Thocaven, J. -J.

Winningham, J. D.

Frahm, R. A.

Sharber, J. R.

Scherrer, J. R.

Coates, A. J.

Linder, D. R.

Kataria, D. O.

Kozyra, J.

Luhmann, J. G.

Roelof, E.

Williams, D.

Livi, S.

Curtis, C. C.

Hsieh, K. C.

Sandel, B. R.

Grande, A.

Carter, M.

McKenna-Lawler, S.

Orsini, S.

Cerulli-Irelli, R.

Maggi, M.

Wurz, P.

Bochsler, P.

Krupp, N.

Woch, J.

Fraenz, M.

Asamura, K.

Dierker, C.

机构：

[1] Finnish Meteorol Inst, Space Res Unit, FIN-00101 Helsinki, Finland

[2] Ctr Etud Spatiale Rayonnements, F-31028 Toulouse, France

[3] Swedish Inst Space Phys, S-98128 Kiruna, Sweden

[4] SW Res Inst, San Antonio, TX 78220 USA

[5] UCL, Mullard Space Sci Lab, Dorking RH5 6NT, Surrey, England

[6] Univ Michigan, Space Phys Res Lab, Ann Arbor, MI 48109 USA

[7] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA

[8] Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA

[9] Univ Arizona, Tucson, AZ 85721 USA

[10] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[11] Natl Univ Ireland, Space Technol Ltd, Maynooth, Kildare, Ireland

[12] Ist Fis Spazio Interplanetario, I-00133 Rome, Italy

[13] Univ Bern, Inst Phys, CH-3012 Bern, Switzerland

[14] Max Planck Inst Aeron, D-37191 Katlenburg Lindau, Germany

[15] Inst Space & Astronaut Sci, Sagamihara, Kanagawa, Japan

[16] Tech Univ Braunschweig, D-38106 Braunschweig, Germany

[17] Univ Helsinki, Dept Phys Sci, FIN-00014 Helsinki, Finland

来源：

ICARUS | 2006年 / 182卷 / 02期

关键词：

Mars; atmosphere; ionospheres;

D O I：

10.1016/j.icarus.2005.09.018

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have analysed ion escape at Mars by comparing ASPERA-3/Mars Express ion measurements and a 3-D quasi-neutral hybrid model. As Mars Express does not have a magnetometer onboard, the analysed IMA data are from an orbit when the IMF clock angle was possible to determine from the magnetic field measurements of Mars Global Surveyor. We found that fast escaping planetary ions were observed at the place which, according to the 3-D model, is anticipated to contain accelerated heavy ions originating from the martian ionosphere. The direction of the interplanetary magnetic field was found to affect noticeably which regions can be magnetically connected to Mars Express and to the overall 3-D Mars-solar wind interaction. (c) 2005 Elsevier Inc. All rights reserved.

引用

页码：350 / 359

页数：10

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