Cluster observations of reconnection due to the Kelvin-Helmholtz instability at the dawnside magnetospheric flank
By K. Nykyri, A. Otto, B. Lavraud, C. Mouikis, L. Kistler, A. Balogh, H. Rème. 2006
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Abstract. On 3 July 2001, the four Cluster satellites traversed along the dawnside magnetospheric flank and observed large variations in all plasma parameters. The estimated magnetopause boundary normals were oscillating in the z-direction and the normal component of the magnetic field showed systematic 2–3 min bipolar variations for 1 h when the IMF had a small positive bz-component and a Parker-spiral orientation in the x,y-plane. Brief 33 s intervals with excellent deHoffman Teller frames were observed satisfying the Walen relation. Detailed comparisons with 2-D MHD simulations indicate that Cluster encountered rotational discontinuities generated by Kelvin-Helmholtz instability. We estimate a wave length of 6 RE and a wave vector with a significant z-component.
Subfields: Astronomy and Astrophysics, Molecular Biology
View Paper: https://www.semanticscholar.org/paper/44ace4196dfe282bcd095715f985b46abb5e9d99
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Citations in the corpus
- Solar wind interaction with Jupiter's magnetosphere (2009, background): “[19] There are three different types of magnetic reconnection that can be caused by KH modes: (1) compression of a preexisting current layer (even for Alfven Mach number > 1) [Nakamura et al., 2006; Nykyri et al., 2006 ], (2) reconnection in self‐generated current layers within the KH vortex struct”