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Magnetospheric Multiscale Observations of the Electron Diffusion Region of Large Guide Field Magnetic Reconnection.
Eriksson, S; Wilder, F D; Ergun, R E; Schwartz, S J; Cassak, P A; Burch, J L; Chen, L-J; Torbert, R B; Phan, T D; Lavraud, B; Goodrich, K A; Holmes, J C; Stawarz, J E; Sturner, A P; Malaspina, D M; Usanova, M E; Trattner, K J; Strangeway, R J; Russell, C T; Pollock, C J; Giles, B L; Hesse, M; Lindqvist, P-A; Drake, J F; Shay, M A; Nakamura, R; Marklund, G T.
Afiliação
  • Eriksson S; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Wilder FD; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Ergun RE; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Schwartz SJ; Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, Colorado 80303, USA.
  • Cassak PA; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Burch JL; The Blackett Laboratory, Imperial College, London SW7 2AZ, United Kingdom.
  • Chen LJ; West Virginia University, Morgantown, West Virginia 26506, USA.
  • Torbert RB; Southwest Research Institute, San Antonio, Texas 78238-5166, USA.
  • Phan TD; University of Maryland, College Park, Maryland 20742, USA.
  • Lavraud B; Southwest Research Institute, San Antonio, Texas 78238-5166, USA.
  • Goodrich KA; University of New Hampshire, Durham, New Hampshire 03824, USA.
  • Holmes JC; Space Sciences Laboratory, University of California, Berkeley, California 94720, USA.
  • Stawarz JE; Institut de Recherche en Astrophysique et Planétologie, Université de Toulouse, 31028 Toulouse, France.
  • Sturner AP; Centre National de la Recherche Scientifique, UMR 5277, Toulouse, France.
  • Malaspina DM; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Usanova ME; Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, Colorado 80303, USA.
  • Trattner KJ; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Strangeway RJ; Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, Colorado 80303, USA.
  • Russell CT; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Pollock CJ; Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, Colorado 80303, USA.
  • Giles BL; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Hesse M; Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, Colorado 80303, USA.
  • Lindqvist PA; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Drake JF; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Shay MA; Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80303, USA.
  • Nakamura R; University of California, Los Angeles, Los Angeles, California 90095, USA.
  • Marklund GT; University of California, Los Angeles, Los Angeles, California 90095, USA.
Phys Rev Lett ; 117(1): 015001, 2016 Jul 01.
Article em En | MEDLINE | ID: mdl-27419573
ABSTRACT
We report observations from the Magnetospheric Multiscale (MMS) satellites of a large guide field magnetic reconnection event. The observations suggest that two of the four MMS spacecraft sampled the electron diffusion region, whereas the other two spacecraft detected the exhaust jet from the event. The guide magnetic field amplitude is approximately 4 times that of the reconnecting field. The event is accompanied by a significant parallel electric field (E_{∥}) that is larger than predicted by simulations. The high-speed (∼300 km/s) crossing of the electron diffusion region limited the data set to one complete electron distribution inside of the electron diffusion region, which shows significant parallel heating. The data suggest that E_{∥} is balanced by a combination of electron inertia and a parallel gradient of the gyrotropic electron pressure.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2016 Tipo de documento: Article País de afiliação: Estados Unidos
Texto completo
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2016 Tipo de documento: Article País de afiliação: Estados Unidos