Low‐altitude electron acceleration due to multiple flow bursts in the magnetotail
-
- R. Nakamura
- Space Research Institute Austrian Academy of Sciences Graz Austria
-
- T. Karlsson
- Space and Plasma Physics Royal Institute of Technology Stockholm Sweden
-
- M. Hamrin
- Department of Physics Umeå University Umeå Sweden
-
- H. Nilsson
- Swedish Institute of Space Physics Kiruna Sweden
-
- O. Marghitu
- Institute for Space Sciences Bucharest Romania
-
- O. Amm
- Finnish Meteorological Institute Helsinki Finland
-
- C. Bunescu
- Institute for Space Sciences Bucharest Romania
-
- V. Constantinescu
- Institute for Space Sciences Bucharest Romania
-
- H. U. Frey
- Space Sciences Laboratory University of California Berkeley California USA
-
- A. Keiling
- Space Sciences Laboratory University of California Berkeley California USA
-
- J. Semeter
- Department of Electrical and Computer Engineering Boston University Boston Massachusetts USA
-
- E. Sorbalo
- School of Engineering and Science Jacobs University Bremen Bremen Germany
-
- J. Vogt
- School of Engineering and Science Jacobs University Bremen Bremen Germany
-
- C. Forsyth
- UCL Mullard Space Science Laboratory Dorking UK
-
- M. V. Kubyshkina
- Earth Physics Department St. Petersburg State University St. Petersburg Russia
書誌事項
- 公開日
- 2014-02-15
- 権利情報
-
- http://creativecommons.org/licenses/by-nc-nd/3.0/
- DOI
-
- 10.1002/2013gl058982
- 公開者
- American Geophysical Union (AGU)
この論文をさがす
説明
<jats:p>At 10:00 UT on 25 February 2008, Cluster 1 spacecraft crossed the near‐midnight auroral zone, at about 2 <jats:italic>R</jats:italic><jats:sub><jats:italic>E</jats:italic></jats:sub> altitude, while two of the Time History of Events and Macroscale Interactions During Substorms (THEMIS) spacecraft, THD and THE, observed multiple flow bursts on the near‐conjugate plasma sheet field lines. The flow shear pattern at THEMIS was consistent with the vortical motion at duskside of a localized flow channel. Coinciding in time with the flow bursts, Cluster 1 observed bursts of counterstreaming electrons with mostly low energies (≤441 eV), accompanied by short time scale (<5 s) magnetic field disturbances embedded in flow‐associated field‐aligned current systems. This conjugate event not only confirms the idea that the plasma sheet flows are the driver of the kinetic Alfvén waves accelerating the low‐energy electrons but is a unique observation of disturbances in the high‐altitude auroral region relevant to the multiple plasma sheet flows.</jats:p>
収録刊行物
-
- Geophysical Research Letters
-
Geophysical Research Letters 41 (3), 777-784, 2014-02-15
American Geophysical Union (AGU)
