Pc5 pulsations observed in the dayside magnetosphere by Geotail

M. Nakamura, H. Matsui, H. Kawano, S. Kokubun, K. Takahashi, A. Matsuoka, T. Yamamoto, K. Tsuruda, H. Hayakawa, T. Okada

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The Geotail spacecraft remained close to the dayside magnetopause from October 17 to October 18, 1992. During the intervals of this very unique orbit when the spacecraft was within the magnetopause, Pc5 pulsations were observed almost continuously in the magnetic field and in the electric field. The signature of the pulsations agrees with the theory of field line standing oscillations with the mode being the fundamental. The observed Pc5 pulsations were regarded to be triggered by sudden compressions and expansions of the magnetic field. The resulted displacement of the field line reached a maximum of 2Re.

Original languageEnglish
Pages (from-to)2903-2906
Number of pages4
JournalGeophysical Research Letters
Volume21
Issue number25
DOIs
Publication statusPublished - Dec 15 1994

Fingerprint

magnetopause
magnetospheres
magnetosphere
spacecraft
magnetic field
magnetic fields
electric field
oscillation
compression
signatures
intervals
orbits
oscillations
expansion
electric fields

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

Nakamura, M., Matsui, H., Kawano, H., Kokubun, S., Takahashi, K., Matsuoka, A., ... Okada, T. (1994). Pc5 pulsations observed in the dayside magnetosphere by Geotail. Geophysical Research Letters, 21(25), 2903-2906. https://doi.org/10.1029/94GL02110

Pc5 pulsations observed in the dayside magnetosphere by Geotail. / Nakamura, M.; Matsui, H.; Kawano, H.; Kokubun, S.; Takahashi, K.; Matsuoka, A.; Yamamoto, T.; Tsuruda, K.; Hayakawa, H.; Okada, T.

In: Geophysical Research Letters, Vol. 21, No. 25, 15.12.1994, p. 2903-2906.

Research output: Contribution to journalArticle

Nakamura, M, Matsui, H, Kawano, H, Kokubun, S, Takahashi, K, Matsuoka, A, Yamamoto, T, Tsuruda, K, Hayakawa, H & Okada, T 1994, 'Pc5 pulsations observed in the dayside magnetosphere by Geotail', Geophysical Research Letters, vol. 21, no. 25, pp. 2903-2906. https://doi.org/10.1029/94GL02110
Nakamura M, Matsui H, Kawano H, Kokubun S, Takahashi K, Matsuoka A et al. Pc5 pulsations observed in the dayside magnetosphere by Geotail. Geophysical Research Letters. 1994 Dec 15;21(25):2903-2906. https://doi.org/10.1029/94GL02110
Nakamura, M. ; Matsui, H. ; Kawano, H. ; Kokubun, S. ; Takahashi, K. ; Matsuoka, A. ; Yamamoto, T. ; Tsuruda, K. ; Hayakawa, H. ; Okada, T. / Pc5 pulsations observed in the dayside magnetosphere by Geotail. In: Geophysical Research Letters. 1994 ; Vol. 21, No. 25. pp. 2903-2906.
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