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Article: Prediction of Axial Asymmetry in Jovian Magnetopause Reconnection

TitlePrediction of Axial Asymmetry in Jovian Magnetopause Reconnection
Authors
Issue Date5-May-2023
PublisherWiley
Citation
Geophysical Research Letters, 2023, v. 50, n. 9 How to Cite?
Abstract

We show the possible existence of a significant axial asymmetry in the reconnection separator at the Jovian magnetopause using first-principle, physics-based global simulations. Under eastward interplanetary magnetic field (IMF) conditions near Jupiter's orbit, reconnection occurs at the southern-dusk and northern magnetopause with large shear angles between the magnetospheric and magnetosheath magnetic fields. When driven by the westward IMF, the reconnection position switches to the northern-dusk and southern magnetopause. Component reconnection at the southern-dusk/northern-dusk magnetopause is associated with the interaction of the IMF with the nearly-dipolar background fields. Nearly-antiparallel reconnection near the noon-midnight plane at the northern/southern magnetopause is related to the dawn-dusk asymmetric, helical, closed lobe magnetic fields, which is a consequence of significant planetary corotation effects and not expected at Earth. Such configuration is testable as Juno has proceeded its orbit to the high-altitude cusps and provides new insight into the interpretation of measurements from other rotationally-driven systems.


Persistent Identifierhttp://hdl.handle.net/10722/328434
ISSN
2023 Impact Factor: 4.6
2023 SCImago Journal Rankings: 1.850

 

DC FieldValueLanguage
dc.contributor.authorChen, J-
dc.contributor.authorZhang, B-
dc.contributor.authorLin, D-
dc.contributor.authorDelamere, PA-
dc.contributor.authorYao, Z-
dc.contributor.authorBrambles, O-
dc.contributor.authorSorathia, KA-
dc.contributor.authorMerkin, VG-
dc.contributor.authorLyon, JG-
dc.date.accessioned2023-06-28T04:44:54Z-
dc.date.available2023-06-28T04:44:54Z-
dc.date.issued2023-05-05-
dc.identifier.citationGeophysical Research Letters, 2023, v. 50, n. 9-
dc.identifier.issn0094-8276-
dc.identifier.urihttp://hdl.handle.net/10722/328434-
dc.description.abstract<p>We show the possible existence of a significant axial asymmetry in the reconnection separator at the Jovian magnetopause using first-principle, physics-based global simulations. Under eastward interplanetary magnetic field (IMF) conditions near Jupiter's orbit, reconnection occurs at the southern-dusk and northern magnetopause with large shear angles between the magnetospheric and magnetosheath magnetic fields. When driven by the westward IMF, the reconnection position switches to the northern-dusk and southern magnetopause. Component reconnection at the southern-dusk/northern-dusk magnetopause is associated with the interaction of the IMF with the nearly-dipolar background fields. Nearly-antiparallel reconnection near the noon-midnight plane at the northern/southern magnetopause is related to the dawn-dusk asymmetric, helical, closed lobe magnetic fields, which is a consequence of significant planetary corotation effects and not expected at Earth. Such configuration is testable as Juno has proceeded its orbit to the high-altitude cusps and provides new insight into the interpretation of measurements from other rotationally-driven systems.<br></p>-
dc.languageeng-
dc.publisherWiley-
dc.relation.ispartofGeophysical Research Letters-
dc.titlePrediction of Axial Asymmetry in Jovian Magnetopause Reconnection-
dc.typeArticle-
dc.identifier.doi10.1029/2022GL102577-
dc.identifier.volume50-
dc.identifier.issue9-
dc.identifier.eissn1944-8007-
dc.identifier.issnl0094-8276-

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