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Differing Properties of Two Ion-Scale Magnetopause Flux Ropes
Univ New Hampshire, Space Sci Ctr, Durham, NH, USA.ORCID iD: 0000-0001-6997-7037
Univ New Hampshire, Space Sci Ctr, Durham, NH USA.ORCID iD: 0000-0001-8780-0673
Univ New Hampshire, Space Sci Ctr, Durham, NH USA.ORCID iD: 0000-0002-5699-090X
Univ New Hampshire, Space Sci Ctr, Durham, NH USA.ORCID iD: 0000-0001-6315-1613
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2018 (English)In: Journal of Geophysical Research - Space Physics, ISSN 2169-9380, E-ISSN 2169-9402, Vol. 123, no 1, p. 114-131Article in journal (Refereed) Published
Abstract [en]

In this paper, we present results from the Magnetospheric Multiscale constellation encountering two ion‐scale, magnetopause flux ropes. The two flux ropes exhibit very different properties and internal structure. In the first flux rope, there are large differences in the currents observed by different satellites, indicating variations occurring over sub‐di spatial scales, and time scales on the order of the ion gyroperiod. In addition, there is intense wave activity and particle energization. The interface between the two flux ropes exhibits oblique whistler wave activity. In contrast, the second flux rope is mostly quiescent, exhibiting little activity throughout the encounter. Changes in the magnetic topology and field line connectivity suggest that we are observing flux rope coalescence.

Place, publisher, year, edition, pages
2018. Vol. 123, no 1, p. 114-131
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-348787DOI: 10.1002/2017JA024525ISI: 000425637600010OAI: oai:DiVA.org:uu-348787DiVA, id: diva2:1200469
Available from: 2018-04-24 Created: 2018-04-24 Last updated: 2018-04-24Bibliographically approved

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The full text will be freely available from 2018-07-04 12:04
Available from 2018-07-04 12:04

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Khotyaintsev, Yuri V.

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Alm, L.Farrugia, C. J.Paulson, K. W.Argall, M. R.Torbert, R. B.Burch, J. L.Ergun, R. E.Russell, C. T.Strangeway, R. J.Khotyaintsev, Yuri V.Lindqvist, P. -AMarklund, G. T.Giles, B. L.
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Swedish Institute of Space Physics, Uppsala Division
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Journal of Geophysical Research - Space Physics
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