Short large‐amplitude magnetic structures (SLAMS) at Venus | Zendy

Collinson G. A. | Zendy; Wilson L. B. | Zendy; Sibeck D. G. | Zendy; Shane N. | Zendy; Zhang T. L. | Zendy; Moore T. E. | Zendy; Coates A. J. | Zendy; Barabash S. | Zendy

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Short large‐amplitude magnetic structures (SLAMS) at Venus

Author(s) -

Collinson G. A.,

Wilson L. B.,

Sibeck D. G.,

Shane N.,

Zhang T. L.,

Moore T. E.,

Coates A. J.,

Barabash S.

Publication year - 2012

Publication title -

journal of geophysical research: space physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.67

H-Index - 298

eISSN - 2156-2202

pISSN - 0148-0227

DOI - 10.1029/2012ja017838

Subject(s) - venus , physics , amplitude , polarization (electrochemistry) , magnetic field , foreshock , mercury's magnetic field , comet , geophysics , planet , astrobiology , solar wind , astronomy , geology , interplanetary magnetic field , seismology , optics , chemistry , quantum mechanics , aftershock

We present the first observation of magnetic fluctuations consistent with short large‐amplitude magnetic structures (SLAMS) in the foreshock of the planet Venus. Three monolithic magnetic field spikes were observed by the Venus Express on 11 April 2009. The structures were ∼1.5–11 s in duration, had magnetic compression ratios between ∼3 and 6, and exhibited elliptical polarization. These characteristics are consistent with the SLAMS observed at Earth, Jupiter, and Comet Giacobini‐Zinner, and thus we hypothesize that it is possible SLAMS may be found at any celestial body with a foreshock.

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