Magnetic field draping enhancement at the Martian magnetic pileup boundary from Mars global surveyor observations -: art. no. 1099

被引：78

作者：

Bertucci, C ^{[1
]}

Mazelle, C

Crider, DH

Vignes, D

Acuña, MH

Mitchell, DL

Lin, RP

Connerney, JEP

Rème, H

Cloutier, PA

Ness, NF

Winterhalter, D

机构：

[1] Ctr Etud Spatiale Rayonnements, F-31028 Toulouse 4, France

[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

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

[4] Rice Univ, Dept Phys & Astron, Houston, TX 77251 USA

[5] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA

[6] NASA, Jet Prop Lab, Pasadena, CA USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2003年 / 30卷 / 02期

关键词：

D O I：

10.1029/2002GL015713

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The Magnetic Pileup Boundary (MPB) is a sharp and permanent plasma boundary located between the bow shock and the ionospheric boundary, reported so far at Mars and comets. We use Mars Global Surveyor Magnetometer data to do a quantitative analysis of the magnetic field geometry in the surroundings of the Martian MPB. As a result, we report for the first time a dramatic enhancement of the magnetic field draping at this boundary. This new feature, already reported at comets, is independent of the presence of the crustal magnetic sources. Comparisons with similar results across the Martian and cometary magnetotails reveal that the MPB and the magnetotail boundary are connected. Moreover, the study of this feature can help understand the physics of the Venusian magnetic barrier.

引用

页数：4

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