Thin Current Sheets in The Deep Geomagnetic Tail

Research output: Contribution to journalArticleScientificpeer-review

Researchers

Research units

  • Finnish Meteorological Institute
  • Los Alamos National Laboratory
  • Jet Propulsion Laboratory, California Institute of Technology
  • NASA Goddard Space Flight Center

Abstract

The ISEE-3 magnetic field and plasma electron data from Jan - March 1983 have been searched to study thin current sheets in the deep tail region. 33 events were selected where the spacecraft crossed through the current sheet from lobe to lobe within 15 minutes. The average thickness of the observed current sheets was 2.45R(E), and in 24 cases the current sheet was thinner than 3.OR(E); 6 very thin current sheets (thickness lambda <0.5R(E)) were found. The electron data show that the very thin current sheets are associated with considerable temperature anisotropy. On average, the electron gradient current was approximately 17% of the total current, whereas the current arising from the electron temperature anisotropy varied between 8 - 45% of the total current determined from the lobe field magnitude.

Details

Original languageEnglish
Pages (from-to)2427-2430
Number of pages4
JournalGeophysical Research Letters
Volume20
Issue number22
Publication statusPublished - 19 Nov 1993
MoE publication typeA1 Journal article-refereed

    Research areas

  • SUBSTORM GROWTH-PHASE, DISTANT MAGNETOTAIL, PLASMA SHEET, ISEE-C, AVERAGE

ID: 3008962