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Ion Larmor radius effects near a reconnection X line at the magnetopause: THEMIS observations and simulation comparison

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dc.contributor.authorT. D. Phanen_US
dc.contributor.authorM. A. Shayen_US
dc.contributor.authorC. C. Haggertyen_US
dc.contributor.authorJ. T. Goslingen_US
dc.contributor.authorJ. P. Eastwooden_US
dc.contributor.authorM. Fujimotoen_US
dc.contributor.authorK. Malakiten_US
dc.contributor.authorF. S. Mozeren_US
dc.contributor.authorP. A. Cassaken_US
dc.contributor.authorM. Oieroseten_US
dc.contributor.authorV. Angelopoulosen_US
dc.contributor.otherSpace Sciences Laboratory at UC Berkeleyen_US
dc.contributor.otherUniversity of Delawareen_US
dc.contributor.otherUniversity of Colorado at Boulderen_US
dc.contributor.otherImperial College Londonen_US
dc.contributor.otherJapan Aerospace Exploration Agencyen_US
dc.contributor.otherMahidol Universityen_US
dc.contributor.otherWest Virginia Universityen_US
dc.contributor.otherUniversity of California, Los Angelesen_US
dc.date.accessioned2018-12-11T02:43:51Z
dc.date.accessioned2019-03-14T08:04:37Z
dc.date.available2018-12-11T02:43:51Z
dc.date.available2019-03-14T08:04:37Z
dc.date.issued2016-09-16en_US
dc.description.abstract©2016. American Geophysical Union. All Rights Reserved. We report a Time History of Events and Macroscale Interactions during Substorms (THEMIS-D) spacecraft crossing of a magnetopause reconnection exhaust ~9 ion skin depths (di) downstream of an X line. The crossing was characterized by ion jetting at speeds substantially below the predicted reconnection outflow speed. In the magnetospheric inflow region THEMIS detected (a) penetration of magnetosheath ions and the resulting flows perpendicular to the reconnection plane, (b) ion outflow extending into the magnetosphere, and (c) enhanced electron parallel temperature. Comparison with a simulation suggests that these signatures are associated with the gyration of magnetosheath ions onto magnetospheric field lines due to the shift of the flow stagnation point toward the low-density magnetosphere. Our observations indicate that these effects, ~2–3 di in width, extend at least 9 di downstream of the X line. The detection of these signatures could indicate large-scale proximity of the X line but do not imply that the spacecraft was upstream of the electron diffusion region.en_US
dc.identifier.citationGeophysical Research Letters. Vol.43, No.17 (2016), 8844-8852en_US
dc.identifier.doi10.1002/2016GL070224en_US
dc.identifier.issn19448007en_US
dc.identifier.issn00948276en_US
dc.identifier.other2-s2.0-84988932462en_US
dc.identifier.urihttps://hdl.handle.net/20.500.14594/43570
dc.rightsMahidol Universityen_US
dc.rights.holderSCOPUSen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84988932462&origin=inwarden_US
dc.subjectEarth and Planetary Sciencesen_US
dc.titleIon Larmor radius effects near a reconnection X line at the magnetopause: THEMIS observations and simulation comparisonen_US
dc.typeArticleen_US
dspace.entity.typePublication
mu.datasource.scopushttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84988932462&origin=inwarden_US
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