Plasma Signatures of Radial Field Power Dropouts

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Description

A class of small scale structures, with a near-radial magnetic field and a drop in magnetic field fluctuation power, have recently been identified in the polar solar wind. An earlier study of 24 events, each lasting for 6 hours or more, identified no clear plasma signature. In an extension of that work, radial intervals lasting for 4 hours or more (89 in total), have been used to search for a statistically significant plasma signature. It was found that, despite considerable variations between intervals, there was a small but significant drop, on average, in plasma temperature, density and {beta} during these ... continued below

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Lucek, E.A.; Horbury, T.S.; Balogh, A. & McComas, D.J. October 4, 1998.

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Description

A class of small scale structures, with a near-radial magnetic field and a drop in magnetic field fluctuation power, have recently been identified in the polar solar wind. An earlier study of 24 events, each lasting for 6 hours or more, identified no clear plasma signature. In an extension of that work, radial intervals lasting for 4 hours or more (89 in total), have been used to search for a statistically significant plasma signature. It was found that, despite considerable variations between intervals, there was a small but significant drop, on average, in plasma temperature, density and {beta} during these events.

Physical Description

Medium: P; Size: vp.

Notes

INIS; OSTI as DE00758923

Source

  • Solar Wind 9, Boston, MA (US), 10/04/1998--10/09/1998

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  • Report No.: LA-UR-99-1375
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 758923
  • Archival Resource Key: ark:/67531/metadc701919

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  • October 4, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • March 23, 2016, 11:27 a.m.

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Lucek, E.A.; Horbury, T.S.; Balogh, A. & McComas, D.J. Plasma Signatures of Radial Field Power Dropouts, article, October 4, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc701919/: accessed April 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.