Observations in the sheath region ahead of a magnetic cloud and in the dayside magnetosheath during magnetic cloud passage

Тип публикации: статья из журнала

Год издания: 1994

Идентификатор DOI: 10.1016/0273-1177(94)90055-8

Аннотация: We present magnetic field and particle (protons and electrons) observations in the sheath region behind an interplanetary shock driven by a magnetic cloud, and in the magnetic cloud itself. We also discuss observations in the dayside terrestrial magnetosheath during cloud passage. We find that the region ahead of the cloud is in pressure balance. Further, throughout its extent (>0.06 AU), the magnetic field strength is anticorrelated with the plasma density, with the latter decreasing steadily as the cloud is approached. This behaviour is indicative of magnetic forces influencing the flow topology and highlights a large-scale breakdown of predictions based solely on gas dynamical considerations. We also study density structures inside the cloud which result in an undulating dynamic pressure being applied to the magnetopause causing it to oscillate with amplitudes of ∼1-3 Re and period ∼2h. © 1994.

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Издание

Журнал: Advances in Space Research (includes Cospar Information Bulletin)

Выпуск журнала: Т.14, 7

Номера страниц: 105-110

ISSN журнала: 02731177

Издатель: Elsevier Science Publishing Company, Inc.

Авторы

  • Farrugia C.J. (Goddard Space Flight Center)
  • Fitzenreiter R.J. (Goddard Space Flight Center)
  • Burlaga L.F. (Goddard Space Flight Center)
  • Erkaev N.V. (Computer Center, Siberian Division, Russian Academy of Science)
  • Osherovich V.A. (NASA/GSFC, Hughes STX)
  • Biernat H.K. (Space Physics Institute, Austrian Academy of Sciences)
  • Fazakerley A. (Imperial College, The Blackett Laboratory)

Вхождение в базы данных

  • РИНЦ (eLIBRARY.RU) (цитирований 14)
  • Ядро РИНЦ (eLIBRARY.RU)
  • Web of Science Core Collection
  • Scopus

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