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DOI: 10.1002/2016GL069095
论文题名:
Shift of the magnetopause reconnection line to the winter hemisphere under southward IMF conditions: Geotail and MMS observations
作者: Kitamura N.; Hasegawa H.; Saito Y.; Shinohara I.; Yokota S.; Nagai T.; Pollock C.J.; Giles B.L.; Moore T.E.; Dorelli J.C.; Gershman D.J.; Avanov L.A.; Paterson W.R.; Coffey V.N.; Chandler M.O.; Sauvaud J.A.; Lavraud B.; Torbert R.B.; Russell C.T.; Strangeway R.J.; Burch J.L.
刊名: Geophysical Research Letters
ISSN: 0094-9001
EISSN: 1944-8732
出版年: 2016
卷: 43, 期:11
起始页码: 5581
结束页码: 5588
语种: 英语
英文关键词: dipole tilt ; Geotail spacecraft ; magnetic reconnection ; magnetopause ; MMS mission
Scopus关键词: Fighter aircraft ; Geomagnetism ; Magnetic fields ; Magnetism ; Magnetopause ; Solar system ; Spacecraft ; dipole tilt ; Geotail ; Interplanetary magnetic fields ; Magnetic field direction ; Magnetic reconnections ; MMS mission ; Simultaneous observation ; Subsolar points ; Interplanetary spacecraft
英文摘要: At 02:13 UT on 18 November 2015 when the geomagnetic dipole was tilted by −27°, the MMS spacecraft observed southward reconnection jets near the subsolar magnetopause under southward and dawnward interplanetary magnetic field conditions. Based on four-spacecraft estimations of the magnetic field direction near the separatrix and the motion and direction of the current sheet, the location of the reconnection line was estimated to be ~1.8 RE or further northward of MMS. The Geotail spacecraft at GSM Z~1.4 RE also observed southward reconnection jets at the dawnside magnetopause 30–40 min later. The estimated reconnection line location was northward of GSM Z~2 RE. This crossing occurred when MMS observed purely southward magnetic fields in the magnetosheath. The simultaneous observations are thus consistent with the hypothesis that the dayside magnetopause reconnection line shifts from the subsolar point toward the northern (winter) hemisphere due to the effect of geomagnetic dipole tilt. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84973304305&doi=10.1002%2f2016GL069095&partnerID=40&md5=2e15029534603bde168ea09de752f933
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9964
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan

Recommended Citation:
Kitamura N.,Hasegawa H.,Saito Y.,et al. Shift of the magnetopause reconnection line to the winter hemisphere under southward IMF conditions: Geotail and MMS observations[J]. Geophysical Research Letters,2016-01-01,43(11).
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