A telescopic and microscopic examination of acceleration in the June 2015 geomagnetic storm: Magnetospheric Multiscale and Van Allen Probes study of substorm particle injection

被引：27

作者：

Baker, D. N. ^{[1
]}

Jaynes, A. N. ^{[1
]}

Turner, D. L. ^{[2
]}

Nakamura, R. ^{[3
]}

Schmid, D. ^{[4
]}

Mauk, B. H. ^{[5
]}

Cohen, I. J. ^{[5
]}

Fennell, J. F. ^{[6
]}

Blake, J. B. ^{[6
]}

Strangeway, R. J. ^{[7
]}

Russell, C. T. ^{[8
]}

Torbert, R. B. ^{[9
]}

Dorelli, J. C. ^{[10
]}

Gershman, D. J. ^{[10
]}

Giles, B. L. ^{[10
]}

Burch, J. L. ^{[11
]}

机构：

[1] Univ Colorado, Atmospher & Space Phys Lab, Campus Box 392, Boulder, CO 80309 USA

[2] Aerosp Corp, Dept Space Sci, POB 92957, Los Angeles, CA 90009 USA

[3] Austrian Acad Sci, Space Res Inst OEAW, Space Res Inst, Graz, Austria

[4] Space Res Inst Graz, Graz, Austria

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

[6] Aerosp Corp, POB 92957, Los Angeles, CA 90009 USA

[7] Univ Calif Los Angeles, Dept Geophys & Planetary Phys, Los Angeles, CA 90024 USA

[8] Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90024 USA

[9] Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA

[10] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA

[11] Southwest Res Inst, San Antonio, TX USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2016年 / 43卷 / 12期

基金：

奥地利科学基金会;

关键词：

ELECTRONS;

D O I：

10.1002/2016GL069643

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

An active storm period in June 2015 showed that particle injection events seen sequentially by the four (Magnetospheric Multiscale) MMS spacecraft subsequently fed the enhancement of the outer radiation belt observed by Van Allen Probes mission sensors. Several episodes of significant southward interplanetary magnetic field along with a period of high solar wind speed (V-sw greater than or similar to 500 km/s) on 22 June occurred following strong interplanetary shock wave impacts on the magnetosphere. Key events on 22 June 2015 show that the magnetosphere progressed through a sequence of energy-loading and stress-developing states until the entire system suddenly reconfigured at 19:32 UT. Energetic electrons, plasma, and magnetic fields measured by the four MMS spacecraft revealed clear dipolarization front characteristics. It was seen that magnetospheric substorm activity provided a "seed" electron population as observed by MMS particle sensors as multiple injections and related enhancements in electron flux.

引用

页码：6051 / 6059

页数：9

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