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- A. Runov
- Institute of Geophysics and Planetary Physics University of California Los Angeles California USA
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- V. Angelopoulos
- Institute of Geophysics and Planetary Physics University of California Los Angeles California USA
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- M. I. Sitnov
- Johns Hopkins University Applied Physics Laboratory Laurel Maryland USA
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- V. A. Sergeev
- St. Petersburg State University St. Petersburg, 198504 Russia
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- J. Bonnell
- Space Science Laboratory University of California Berkeley California USA
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- J. P. McFadden
- Space Science Laboratory University of California Berkeley California USA
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- D. Larson
- Space Science Laboratory University of California Berkeley California USA
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- K.‐H. Glassmeier
- Institute of Geophysics and Extraterrestrial Physics Technical University Braunschweig Braunschweig Germany
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- U. Auster
- Institute of Geophysics and Extraterrestrial Physics Technical University Braunschweig Braunschweig Germany
書誌事項
- 公開日
- 2009-07
- 権利情報
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- http://onlinelibrary.wiley.com/termsAndConditions#vor
- DOI
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- 10.1029/2009gl038980
- 公開者
- American Geophysical Union (AGU)
この論文をさがす
説明
<jats:p>We report THEMIS observations of a dipolarization front, a sharp, large‐amplitude increase in the <jats:italic>Z</jats:italic>‐component of the magnetic field. The front was detected in the central plasma sheet sequentially at X = −20.1 R<jats:sub><jats:italic>E</jats:italic></jats:sub> (THEMIS P1 probe), at X = −16.7 R<jats:sub><jats:italic>E</jats:italic></jats:sub> (P2), and at X = −11.0 R<jats:sub><jats:italic>E</jats:italic></jats:sub> (P3/P4 pair), suggesting its earthward propagation as a coherent structure over a distance more than 10 R<jats:sub><jats:italic>E</jats:italic></jats:sub> at a velocity of 300 km/s. The front thickness was found to be as small as the ion inertial length. Comparison with simulations allows us to interpret the front as the leading edge of a plasma fast flow formed by a burst of magnetic reconnection in the midtail.</jats:p>
収録刊行物
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- Geophysical Research Letters
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Geophysical Research Letters 36 (14), L14106-, 2009-07
American Geophysical Union (AGU)