Large-scale characteristics of reconnection diffusion regions and associated magnetopause crossings observed by MMS

被引:49
|
作者
Fuselier, S. A. [1 ,2 ]
Vines, S. K. [1 ,2 ,3 ]
Burch, J. L. [1 ]
Petrinec, S. M. [4 ]
Trattner, K. J. [5 ]
Cassak, P. A. [6 ]
Chen, L. -J. [7 ,8 ]
Ergun, R. E. [5 ]
Eriksson, S. [5 ]
Giles, B. L. [7 ]
Graham, D. B. [9 ]
Khotyaintsev, Yu V. [9 ]
Lavraud, B. [10 ,11 ]
Lewis, W. S. [1 ]
Mukherjee, J. [1 ]
Norgren, C. [9 ]
Phan, T. -D. [12 ]
Russell, C. T. [13 ]
Strangeway, R. J. [13 ]
Torbert, R. B. [1 ,14 ]
Webster, J. M. [15 ]
机构
[1] Southwest Res Inst, San Antonio, TX 78238 USA
[2] Univ Texas San Antonio, Dept Phys & Astron, San Antonio, TX 78249 USA
[3] Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA
[4] Lockheed Martin Adv Technol Ctr, Palo Alto, CA USA
[5] Univ Colorado, Lab Atmospher & Space Phys, Boulder, CO 80309 USA
[6] West Virginia Univ, Dept Phys & Astron, Morgantown, WV 26506 USA
[7] Goddard Space Flight Ctr, Greenbelt, MD USA
[8] Univ Maryland, Dept Astron, College Pk, MD 20742 USA
[9] Swedish Inst Space Phys, Uppsala, Sweden
[10] Univ Toulouse, Inst Rech Astrophys & Plantol, Toulouse, France
[11] CNRS, Toulouse, France
[12] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA
[13] Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90024 USA
[14] Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA
[15] Rice Univ, Phys & Astron, Houston, TX USA
基金
美国国家科学基金会;
关键词
MAGNETIC SHEAR EVIDENCE; DAYSIDE MAGNETOPAUSE; MAGNETOSPHERIC MULTISCALE; EARTHS MAGNETOPAUSE; NORTHWARD IMF; PLASMA BETA; ELECTRON; DEPENDENCE; FIELD; ISLANDS;
D O I
10.1002/2017JA024024
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Magnetospheric Multiscale (MMS) mission was designed to make observations in the very small electron diffusion region (EDR), where magnetic reconnection takes place. From a data set of over 4500 magnetopause crossings obtained in the first phase of the mission, MMS had encounters near or within 12 EDRs. These 12 events and associated magnetopause crossings are considered as a group to determine if they span the widest possible range of external and internal conditions (i.e., in the solar wind and magnetosphere). In addition, observations from MMS are used to determine if there are multiple X-lines present and also to provide information on X-line location relative to the spacecraft. These 12 events represent nearly the widest possible range of conditions at the dayside magnetopause. They occur over a wide range of local times and magnetic shear angles between the magnetosheath and magnetospheric magnetic fields. Most show evidence for multiple reconnection sites.
引用
收藏
页码:5466 / 5486
页数:21
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