Plasmoid formation for multiple onset substorms: Observations of the Japanese Lunar Mission "kaguya"

T. Nagai, H. Tsunakawa, H. Shibuya, F. Takahashi, H. Shimizu, M. Matsushima, M. N. Nishino, Y. Yokota, K. Asamura, T. Tanaka, Y. Saito, O. Amm

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

The Japanese Lunar Mission "Kaguya" carried out its first magnetic field and plasma measurements in the Earth's magnetotail on 22 December 2007. Fortuitously, three well-defined multiple onset substoms took place. Kaguya was located in the premidnight magnetotail at radial distances of 56REand observed plasmoids and/or traveling compression regions (TCRs). Although the present study is based on limited data sets, important issues on multiple onset substorms can be examined. Each onset in a series of onsets releases a plasmoid, and magnetic reconnection likely proceeds to tail lobe field lines for each onset. Since the duration of each plasmoid is less than 5 min, these observations imply that magnetic reconnection for each onset can develop fully to the tail lobe field lines and be quenched within this timescale.

本文言語英語
ページ(範囲)59-64
ページ数6
ジャーナルAnnales Geophysicae
27
1
DOI
出版ステータス出版済み - 1 6 2009
外部発表はい

All Science Journal Classification (ASJC) codes

  • 天文学と天体物理学
  • 地質学
  • 大気科学
  • 地球惑星科学(その他)
  • 宇宙惑星科学

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