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  • Oieroset, M.Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA. (author)

Spatial evolution of magnetic reconnection diffusion region structures with distance from the X-line

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • American Institute of Physics (AIP),2021
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-462478
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-462478URI
  • https://doi.org/10.1063/5.0072182DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • We report Magnetospheric Multiscale four-spacecraft observations of a thin reconnecting current sheet with weakly asymmetric inflow conditions and a guide field of approximately twice the reconnecting magnetic field. The event was observed at the interface of interlinked magnetic field lines at the flank magnetopause when the maximum spacecraft separation was 370 km and the spacecraft covered & SIM;1.7 ion inertial lengths (d(i)) in the reconnection outflow direction. The ion-scale spacecraft separation made it possible to observe the transition from electron-only super ion-Alfvenic outflow near the electron diffusion region (EDR) to the emergence of sub-Alfvenic ion outflow in the ion diffusion region (IDR). The EDR to IDR evolution over a distance less than 2 d(i) also shows the transition from a near-linear reconnecting magnetic field reversal to a more bifurcated current sheet as well as significant decreases in the parallel electric field and dissipation. Both the ion and electron heating in this diffusion region event were similar to the previously reported heating in the far downstream exhausts. The dimensionless reconnection rate, obtained four different ways, was in the range of 0.13-0.27. This event reveals the rapid spatial evolution of the plasma and electromagnetic fields through the EDR to IDR transition region.& nbsp;(C) 2021 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

Subject headings and genre

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

  • Phan, T. D.Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA. (author)
  • Ergun, R.Univ Colorado LASP, Boulder, CO 80303 USA. (author)
  • Ahmadi, N.Univ Colorado LASP, Boulder, CO 80303 USA. (author)
  • Genestreti, K.Southwest Res Inst, Space Sci & Engn, Durham, NH 03824 USA. (author)
  • Drake, J. F.Univ Maryland, College Pk, MD 20742 USA. (author)
  • Liu, Y-HDartmouth Coll, Hanover, NH 03755 USA. (author)
  • Haggerty, C.Univ Hawaii, Honolulu, HI 96822 USA. (author)
  • Eastwood, J. P.Imperial Coll London, Blackett Lab, London SW7 2BX, England. (author)
  • Shay, M. A.Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA. (author)
  • Pyakurel, P. S.Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA. (author)
  • Haaland, S.Univ Bergen, Birkeland Ctr Space Sci, N-5007 Bergen, Norway.;Max Planck Inst Solar Syst Res, D-37077 Gottingen, Germany. (author)
  • Oka, M.Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA. (author)
  • Goodbred, M.Dartmouth Coll, Hanover, NH 03755 USA. (author)
  • Eriksson, S.Univ Colorado LASP, Boulder, CO 80303 USA. (author)
  • Burch, J. L.Southwest Res Inst, San Antonio, TX 78238 USA. (author)
  • Torbert, R. B.Univ New Hampshire, Durham, NH 03824 USA. (author)
  • Khotyaintsev, Yuri V.Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen(Swepub:uu)ykh28990 (author)
  • Russell, C. T.Univ Calif Los Angeles, Los Angeles, CA 90095 USA. (author)
  • Strangeway, R. J.Univ Calif Los Angeles, Los Angeles, CA 90095 USA. (author)
  • Gershman, D. J.NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA. (author)
  • Giles, B. L.NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA. (author)
  • Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA.Univ Colorado LASP, Boulder, CO 80303 USA. (creator_code:org_t)

Related titles

  • In:Physics of Plasmas: American Institute of Physics (AIP)28:121070-664X1089-7674

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