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Title:
Solar wind stagnation near comets
Authors:
Galeev, A. A.; Cravens, T. E.; Gombosi, T. I.
Affiliation:
AA(Akademiia Nauk SSSR, Institut Kosmicheskikh Issledovanii, Moscow, USSR), AB(Michigan, University, Ann Arbor, MI), AC(Magyar Tudomanyos Akademia, Kozponti Fizikai Kutato Intezet, Budapest, Hungary)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 289, Feb. 15, 1985, p. 807-819. Research supported by the Magyar Tudomanyos Akademia. (ApJ Homepage)
Publication Date:
02/1985
Category:
Solar Physics; Comets
Origin:
STI
NASA/STI Keywords:
Cometary Atmospheres, Computational Astrophysics, Magnetic Effects, Plasma-Particle Interactions, Solar Wind, Stagnation Pressure, Distribution Functions, Flow Equations, Ion Distribution, Ionopause, Ionospheres, Plasma Cooling, Shock Fronts
Keywords:
COMETS, SOLAR WIND, FLOWS, ANALYSIS, PRESSURE, MAGNETIC EFFECTS, MAGNETIC FIELDS, COOLING, MASS LOADING, IONOPAUSE, PLASMA
DOI:
10.1086/162945
Bibliographic Code:
1985ApJ...289..807G

Abstract

The nature of the solar wind flow near comets is examined analytically in this paper. In particular, typical values for the stagnation pressure and magnetic barrier strength are estimated, taking into account magnetic field line tension and change-exchange cooling of the mass-loaded solar wind. A knowledge of the strength of the magnetic barrier is required in order to determine the location of the ionopause surface which separates the contaminated solar wind plasma from the outflowing plasma of the cometary ionosphere.

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