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Structure of the lunar wake: Two-dimensional global hybrid simulations
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SYSNO ASEP 0025218 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Structure of the lunar wake: Two-dimensional global hybrid simulations Title Struktura lunárního úplavu: dvoudimenzionální globální hybridní simulace Author(s) Trávníček, Pavel (UFA-U) RID, ORCID
Hellinger, Petr (UFA-U) RID, ORCID
Schriver, D. (US)
Bale, S. D. (US)Source Title Geophysical Research Letters. - : Wiley - ISSN 0094-8276
Roč. 32, - (2005), L06102/1-L06102/4Number of pages 4 s. Language eng - English Country US - United States Keywords hybrid simulations ; lunar wake Subject RIV BL - Plasma and Gas Discharge Physics R&D Projects GA205/05/1011 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z30420517 - UFA-U, BC-A (2005-2011) Annotation We study the structure and properties of the lunar wake with these solar wind parameters: the angle sw between directions of the solar wind velocity v sw and the ambient interplanetary magnetic field (IMF) B sw = 45° and 90° and v sw = 6v A (where v A denotes solar wind Alfvén velocity). We examine the structure of the wake-tail formed behind the obstacle. In agreement with in situ observations the lunar wake is formed by two counterstreaming beams which fill the wake with a relatively cold, inhomogeneous and highly anisotropic plasma. The results of this study suggest that for given solar wind conditions the downstream region of the lunar wake is dominated by electromagnetic turbulence with the frequencies near the local proton gyrofrequency. The properties and possible generating mechanisms of the low-frequency electromagnetic turbulence are discussed. Workplace Institute of Atmospheric Physics Contact Kateřina Adamovičová, adamovicova@ufa.cas.cz, Tel.: 272 016 012 ; Kateřina Potužníková, kaca@ufa.cas.cz, Tel.: 272 016 019 Year of Publishing 2006
Number of the records: 1