Magnetic field draping about coronal mass ejecta

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Fast coronal mass ejecta (CMEs) accelerate and deflect the slower moving solar wind plasma which piles up ahead of them as they propagate out through the heliosphere. This acceleration and deflection, in turn, causes the interplanetary magnetic field (IMF) imbedded in the upstream solar wind to drape about the ejecta. Draping should cause substantial out-of-the-ecliptic magnetic fields at some locations ahead of CMEs, and radial fields behind and along the flanks. At the Earth, draping can be an important factor in the generation of some magnetic storms and substorms, while in the outer heliosphere draping may produce very large magnetotail-like ... continued below

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Pages: 6

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McComas, D.J. & Gosling, J.T. January 1, 1987.

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Description

Fast coronal mass ejecta (CMEs) accelerate and deflect the slower moving solar wind plasma which piles up ahead of them as they propagate out through the heliosphere. This acceleration and deflection, in turn, causes the interplanetary magnetic field (IMF) imbedded in the upstream solar wind to drape about the ejecta. Draping should cause substantial out-of-the-ecliptic magnetic fields at some locations ahead of CMEs, and radial fields behind and along the flanks. At the Earth, draping can be an important factor in the generation of some magnetic storms and substorms, while in the outer heliosphere draping may produce very large magnetotail-like configurations, somewhat analogous to those observed behind Venus and comets. 17 refs.

Physical Description

Pages: 6

Notes

NTIS, PC A02/MF A01; 1.

Source

  • 6. meeting of solar wind, Estes Park, CO, USA, 24 Aug 1987

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  • Other: DE88001805
  • Report No.: LA-UR-87-3643
  • Report No.: CONF-8708141-4
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5950805
  • Archival Resource Key: ark:/67531/metadc1101150

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1987

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

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  • May 23, 2018, 2:14 p.m.

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McComas, D.J. & Gosling, J.T. Magnetic field draping about coronal mass ejecta, article, January 1, 1987; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1101150/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.