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Article: How Jupiter's unusual magnetospheric topology structures its aurora

TitleHow Jupiter's unusual magnetospheric topology structures its aurora
Authors
Issue Date2021
Citation
Science Advances, 2021, v. 7, n. 15, article no. eabd1204 How to Cite?
AbstractJupiter's bright persistent polar aurora and Earth's dark polar region indicate that the planets' magnetospheric topologies are very different. High-resolution global simulations show that the reconnection rate at the interface between the interplanetary and jovian magnetic fields is too slow to generate a magnetically open, Earth-like polar cap on the time scale of planetary rotation, resulting in only a small crescent-shaped region of magnetic flux interconnected with the interplanetary magnetic field. Most of the jovian polar cap is threaded by helical magnetic flux that closes within the planetary interior, extends into the outer magnetosphere, and piles up near its dawnside flank where fast differential plasma rotation pulls the field lines sunward. This unusual magnetic topology provides new insights into Jupiter's distinctive auroral morphology.
Persistent Identifierhttp://hdl.handle.net/10722/335001
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhang, Binzheng-
dc.contributor.authorDelamere, Peter A.-
dc.contributor.authorYao, Zhonghua-
dc.contributor.authorBonfond, Bertrand-
dc.contributor.authorLin, D.-
dc.contributor.authorSorathia, Kareem A.-
dc.contributor.authorBrambles, Oliver J.-
dc.contributor.authorLotko, William-
dc.contributor.authorGarretson, Jeff S.-
dc.contributor.authorMerkin, Viacheslav G.-
dc.contributor.authorGrodent, Denis-
dc.contributor.authorDunn, William R.-
dc.contributor.authorLyon, John G.-
dc.date.accessioned2023-10-20T06:52:22Z-
dc.date.available2023-10-20T06:52:22Z-
dc.date.issued2021-
dc.identifier.citationScience Advances, 2021, v. 7, n. 15, article no. eabd1204-
dc.identifier.urihttp://hdl.handle.net/10722/335001-
dc.description.abstractJupiter's bright persistent polar aurora and Earth's dark polar region indicate that the planets' magnetospheric topologies are very different. High-resolution global simulations show that the reconnection rate at the interface between the interplanetary and jovian magnetic fields is too slow to generate a magnetically open, Earth-like polar cap on the time scale of planetary rotation, resulting in only a small crescent-shaped region of magnetic flux interconnected with the interplanetary magnetic field. Most of the jovian polar cap is threaded by helical magnetic flux that closes within the planetary interior, extends into the outer magnetosphere, and piles up near its dawnside flank where fast differential plasma rotation pulls the field lines sunward. This unusual magnetic topology provides new insights into Jupiter's distinctive auroral morphology.-
dc.languageeng-
dc.relation.ispartofScience Advances-
dc.titleHow Jupiter's unusual magnetospheric topology structures its aurora-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1126/SCIADV.ABD1204-
dc.identifier.pmid33837073-
dc.identifier.scopuseid_2-s2.0-85102361201-
dc.identifier.volume7-
dc.identifier.issue15-
dc.identifier.spagearticle no. eabd1204-
dc.identifier.epagearticle no. eabd1204-
dc.identifier.eissn2375-2548-
dc.identifier.isiWOS:000642446300003-

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