The interplanetary shock of September 24, 1998: Arrival at Earth

C. T. Russell, Y. L. Wang, J. Raeder, R. L. Tokar, C. W. Smith, K. W. Ogilvie, A. J. Lazarus, R. P. Lepping, A. Szabo, H. Kawano, T. Mukai, S. Savin, Y. I. Yermolaev, X. Y. Zhou, B. T. Tsurutani

研究成果: ジャーナルへの寄稿学術誌査読

39 被引用数 (Scopus)

抄録

At close to 2345 UT on September 24, 1998, the magnetosphere was suddenly compressed by the passage of an interplanetary shock. In order to properly interpret the magnetospheric events triggered by the arrival of this shock, we calculate the orientation of the shock, its velocity, and its estimated time of arrival at the nose of the magnetosphere. Our best fit shock normal has an orientation of (-0.981 -0.157 -0.112) in-solar ecliptic coordinates, a speed of 769km/s, and an arrival time of 2344:19 at the magnetopause at 10 RE. Since measurements of the solar wind and interplanetary magnetic field are available from multiple spacecraft, we can compare several different techniques of shock-normal determination. Of the single spacecraft techniques the magnetic coplanarity solution is most accurate and the mixed mode solution is of lesser accuracy. Uncertainty in the timing and location of the IMP 8 spacecraft limits the accuracy of solutions using the time of arrival at the position of IMP 8.

本文言語英語
論文番号2000JA900070
ページ(範囲)25143-25154
ページ数12
ジャーナルJournal of Geophysical Research: Space Physics
105
A11
DOI
出版ステータス出版済み - 11月 1 2000

!!!All Science Journal Classification (ASJC) codes

  • 地球化学および岩石学
  • 地球物理学
  • 地球惑星科学(その他)
  • 宇宙惑星科学
  • 大気科学
  • 天文学と天体物理学
  • 海洋学

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