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  • Breuillard, H.CNRS, LPP, UMR, Paris, France. (author)

Multispacecraft analysis of dipolarization fronts and associated whistler wave emissions using MMS data

  • Article/chapterEnglish2016

Publisher, publication year, extent ...

  • Blackwell Publishing,2016
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-194024
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-194024URI
  • https://doi.org/10.1002/2016GL069188DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-308252URI

Supplementary language notes

  • Language:English
  • Summary in:English &language:-1_t

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20161014
  • Dipolarization fronts (DFs), embedded in bursty bulk flows, play a crucial role in Earth's plasma sheet dynamics because the energy input from the solar wind is partly dissipated in their vicinity. This dissipation is in the form of strong low-frequency waves that can heat and accelerate energetic electrons up to the high-latitude plasma sheet. However, the dynamics of DF propagation and associated low-frequency waves in the magnetotail are still under debate due to instrumental limitations and spacecraft separation distances. In May 2015 the Magnetospheric Multiscale (MMS) mission was in a string-of-pearls configuration with an average intersatellite distance of 160km, which allows us to study in detail the microphysics of DFs. Thus, in this letter we employ MMS data to investigate the properties of dipolarization fronts propagating earthward and associated whistler mode wave emissions. We show that the spatial dynamics of DFs are below the ion gyroradius scale in this region (approximate to 500km), which can modify the dynamics of ions in the vicinity of the DF (e.g., making their motion nonadiabatic). We also show that whistler wave dynamics have a temporal scale of the order of the ion gyroperiod (a few seconds), indicating that the perpendicular temperature anisotropy can vary on such time scales.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Le Contel, O.CNRS, LPP, UMR, Paris, France. (author)
  • Retino, A.CNRS, LPP, UMR, Paris, France. (author)
  • Chasapis, A.Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA. (author)
  • Chust, T.CNRS, LPP, UMR, Paris, France.,Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90024 USA. (author)
  • Mirioni, L.CNRS, LPP, UMR, Paris, France. (author)
  • Graham, Daniel B.Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen(Swepub:uu)dangr618 (author)
  • Wilder, F. D.Univ Colorado, LASP, Boulder, CO 80309 USA.,Austrian Acad Sci, Space Res Inst IWF, Graz, Austria. (author)
  • Cohen, I.Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA. (author)
  • Vaivads, AndrisUppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen(Swepub:uu)anvai517 (author)
  • Khotyaintsev, Yu V. (author)
  • Lindqvist, Per-ArneKTH,Rymd- och plasmafysik,Royal Inst Technol, Alfven Lab, Stockholm, Sweden(Swepub:kth)u1yukyk9 (author)
  • Marklund, Göran T.KTH,Rymd- och plasmafysik,Royal Inst Technol, Alfven Lab, Stockholm, Sweden.(Swepub:kth)u1yq52h6 (author)
  • Burch, J. L.Southwest Res Inst, San Antonio, TX USA. (author)
  • Torbert, R. B.Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.;Univ New Hampshire, Dept Phys, Durham, NH 03824 USA. (author)
  • Ergun, R. E.Univ Colorado, LASP, Boulder, CO 80309 USA. (author)
  • Goodrich, K. A.Univ Colorado, LASP, Boulder, CO 80309 USA. (author)
  • Macri, J.Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.;Univ New Hampshire, Dept Phys, Durham, NH 03824 USA. (author)
  • Needell, J.Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.;Univ New Hampshire, Dept Phys, Durham, NH 03824 USA. (author)
  • Chutter, M.Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.;Univ New Hampshire, Dept Phys, Durham, NH 03824 USA. (author)
  • Rau, D.Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.;Univ New Hampshire, Dept Phys, Durham, NH 03824 USA. (author)
  • Dors, I.Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.;Univ New Hampshire, Dept Phys, Durham, NH 03824 USA. (author)
  • Russell, C. T. (author)
  • Magnes, W.Austrian Acad Sci, Space Res Inst IWF, Graz, Austria. (author)
  • Strangeway, R. J.Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90024 USA. (author)
  • Bromund, K. R.NASA, Goddard Space Flight Ctr, Greenbelt, MD USA. (author)
  • Plaschke, F.Austrian Acad Sci, Space Res Inst IWF, Graz, Austria. (author)
  • Fischer, D. (author)
  • Leinweber, H. K.Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90024 USA. (author)
  • Anderson, B. J.Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA. (author)
  • Le, G.NASA, Goddard Space Flight Ctr, Greenbelt, MD USA. (author)
  • Slavin, J. A.Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA. (author)
  • Kepko, E. L.NASA, Goddard Space Flight Ctr, Greenbelt, MD USA. (author)
  • Baumjohann, W.Austrian Acad Sci, Space Res Inst IWF, Graz, Austria. (author)
  • Mauk, B.Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen (author)
  • Fuselier, S. A.Univ Texas San Antonio, Dept Phys & Astron, San Antonio, TX USA. (author)
  • Nakamura, R.Austrian Acad Sci, Space Res Inst IWF, Graz, Austria. (author)
  • Khotyaintsev, Yuri V.Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen(Swepub:uu)ykh28990 (author)
  • CNRS, LPP, UMR, Paris, France.Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA. (creator_code:org_t)

Related titles

  • In:Geophysical Research Letters: Blackwell Publishing43:14, s. 7279-72860094-82761944-8007

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