2004
DOI: 10.1016/j.asr.2003.03.031
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Induced magnetospheres

Abstract: Induced magnetospheres occur around planetary bodies that are electrically conducting or have substantial ionospheres, and are exposed to a time-varying external magnetic field. They can also occur where a flowing plasma encounters a mass-loading region in which ions are added to the flow. In this introduction to the subject we examine induced magnetospheres of the former type. The solar wind interaction with Venus is used to illustrate the induced magnetosphere that results from the solar wind interaction wit… Show more

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Cited by 79 publications
(48 citation statements)
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References 28 publications
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“…It was based on the theory of fluid flow around the obstacle, which was assumed to have the shape of the ionopause derived from PVO plasma data [Theis et al, 1980]. Zhang et al [1991] realized that the effective obstacle was not the ionopause, but the magnetic barrier above it in the inner magnetosheath, which was also considered as an induced magnetosphere in analogy to the Earth's magnetosphere [Luhmann et al, 2004;Kallio et al, 2008;Zhang et al, 2008a]. At solar minimum, the magnetopause location is at an altitude of about 1000 km at the terminator and 300 km at the subsolar point [Zhang et al, 2008b].…”
Section: Discussionmentioning
confidence: 99%
“…It was based on the theory of fluid flow around the obstacle, which was assumed to have the shape of the ionopause derived from PVO plasma data [Theis et al, 1980]. Zhang et al [1991] realized that the effective obstacle was not the ionopause, but the magnetic barrier above it in the inner magnetosheath, which was also considered as an induced magnetosphere in analogy to the Earth's magnetosphere [Luhmann et al, 2004;Kallio et al, 2008;Zhang et al, 2008a]. At solar minimum, the magnetopause location is at an altitude of about 1000 km at the terminator and 300 km at the subsolar point [Zhang et al, 2008b].…”
Section: Discussionmentioning
confidence: 99%
“…The magnetosphere of Venus provided us with the first example of an induced magnetosphere (see more about this type of magnetospheres in Podgorny et al 1982;Vaisberg et al 1990;Russell 1991;Luhmann et al 2004). Ionospheric ions and neutral atoms ionized by solar UV, charge exchange and electron impact gain momentum and energy from solar wind and escape to space or impact the atmosphere and sputter heavy atoms and molecules off the exosphere which then can also leave the planets.…”
Section: General Features Of Ion Energizationmentioning
confidence: 98%
“…(From Ma et al 2007a) in front of Titan. A pair of Alfven wings forms along the magnetic field lines due to perturbations of field-aligned currents (Ness et al 1982;Luhmann et al 2004). On the upstream side, Saturn's magnetospheric plasma flow starts to slow down from about 8 R T (Titan radius) due to mass loading with Titan's extended atmosphere (Hartle et al 2006a(Hartle et al , 2006b, while significant pile-up and strong draping of the magnetic field lines begins around 2 to 3 R T in front of the satellite.…”
Section: General Interaction Featuresmentioning
confidence: 99%