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Upstream ULF waves and energetic electrons associated with the lunar wake: Detection of precursor activity

Farrell, WM; Fitzenreiter, RJ; Owen, CJ; Byrnes, JB; Lepping, RP; Ogilvie, KW; Neubauer, F; (1996) Upstream ULF waves and energetic electrons associated with the lunar wake: Detection of precursor activity. Geophysical Research Letters , 23 (10) 1271 - 1274. 10.1029/96GL01355. Green open access

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Abstract

We present observations of precursor ULF wave activity and energetic electron flows detected by the WIND spacecraft just prior to entry of the lunar wake on 27 December 1994. This activity occurs upstream of the wake on field lines directly connected to the wake penumbra region. The activity ceases near the penumbra entrance. The observations of upstream ULF wave activity and solar wind counterstreaming electron flows is similar to observations made upstream of collisionless bow shocks. Analogously, the wake precursor region is characterized by thermalization and information propagation ahead of the wake structure.

Type: Article
Title: Upstream ULF waves and energetic electrons associated with the lunar wake: Detection of precursor activity
Open access status: An open access version is available from UCL Discovery
DOI: 10.1029/96GL01355
Publisher version: http://dx.doi.org/10.1029/96GL01355
Language: English
Additional information: Copyright 1996 by the American Geophysical Union
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Space and Climate Physics
URI: https://discovery.ucl.ac.uk/id/eprint/1349838
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