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Short Large-Amplitude Magnetic Structures (SLAMS) at VenusWe 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 the 11th of April 2009. The structures were approx.1.5->11s in duration, had magnetic compression ratios between approx.3->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.
Document ID
20120016402
Acquisition Source
Goddard Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Collinson, G. A. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Wilson, L. B. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Sibeck, D. G. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Shane, N. (University Coll. London, United Kingdom)
Zhang, T. L. (Australian Academy of Science Australia)
Moore, T. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Coates, A. J. (University Coll. London, United Kingdom)
Barabash, S. (Swedish Inst. of Space Physics Kiruna, Sweden)
Date Acquired
August 26, 2013
Publication Date
August 27, 2012
Subject Category
Astrophysics
Report/Patent Number
GSFC.JA.7467.2012
Distribution Limits
Public
Copyright
Public Use Permitted.

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