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Inverse magnetic field gradient across the magnetopause: Multipoint study
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SYSNO ASEP 0504214 Document Type A - Abstract R&D Document Type The record was not marked in the RIV R&D Document Type Není vybrán druh dokumentu Title Inverse magnetic field gradient across the magnetopause: Multipoint study Author(s) Grygorov, K. (CZ)
Němeček, Z. (CZ)
Šafránková, J. (CZ)
Šimůnek, Jiří (UFA-U) RID, ORCIDNumber of authors 4 Source Title Geophysical Research Abstracts, EGU General Assembly 2018, Vol. 21. - Göttingen : European Geosciences Union, 2019
EGU2019-9564Number of pages 1 s. Publication form Online - E Action EGU General Assembly 2019 Event date 07.04.2019 - 12.04.2019 VEvent location Vienna Country AT - Austria Event type WRD Language eng - English Country DE - Germany Keywords magnetopause ; magnetic field gradient ; THEMIS spacecraft Subject RIV BN - Astronomy, Celestial Mechanics, Astrophysics OECD category Astronomy (including astrophysics,space science) Institutional support UFA-U - RVO:68378289 Annotation The magnetopause is a layer where the pressure of the magnetospheric magnetic field balances with the magnetosheath one (a sum of thermal and magnetic pressures). However, statistics of THEMIS magnetopause crossings has shown that about 1 % of them exhibit a larger magnetic field in the magnetosheath than in the magnetosphere. These crossings seem to appear predominantly on the flanks under a southward IMF during disturbed magnetospheric conditions. In the study, we accompanied THEMIS crossings with nearly simultaneously observed crossings by other spacecraft (Cluster, MMS) and by the spacecraft within the magnetosphere on the day/night side together with geomagnetic indices to monitor a possible response of a whole magnetosphere. We provide a small statistical study of both types of crossings and compare them with empirical magnetopause models. Workplace Institute of Atmospheric Physics Contact Kateřina Adamovičová, adamovicova@ufa.cas.cz, Tel.: 272 016 012 ; Kateřina Potužníková, kaca@ufa.cas.cz, Tel.: 272 016 019 Year of Publishing 2020
Number of the records: 1