1998
DOI: 10.1029/98je00227
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Ganymede's magnetosphere: Magnetometer overview

Abstract: Abstract. Ganymede presents a unique example of an internally magnetized moon whose intrinsic magnetic field excludes the plasma present at its orbit, thereby forming a magnetospheric cavity. We describe some of the properties of this mini-magnetosphere, embedded in a sub-Alfv6nic flow and formed within a planetary magnetosphere. A vacuum superposition model (obtained by adding the internal field of Ganymede to the field imposed by Jupiter) organizes the data acquired by the Galileo magnetometer on four close … Show more

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Cited by 120 publications
(131 citation statements)
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“…This has already been addressed by e.g. Kivelson et al (1998), where it was posited that the strong oscillations of the field before crossing the magnetopause were Kelvin-Helmholtz waves, as in a minimum variance coordinate system (Sonnerup and Scheible, 1998) B m and B n vary in phase, whereas B l is in quadrature. Jia et al (2010) provide a different interpretation.…”
Section: Magnetopause Wavesmentioning
confidence: 93%
See 1 more Smart Citation
“…This has already been addressed by e.g. Kivelson et al (1998), where it was posited that the strong oscillations of the field before crossing the magnetopause were Kelvin-Helmholtz waves, as in a minimum variance coordinate system (Sonnerup and Scheible, 1998) B m and B n vary in phase, whereas B l is in quadrature. Jia et al (2010) provide a different interpretation.…”
Section: Magnetopause Wavesmentioning
confidence: 93%
“…Assuming that the bursty reconnection emits compressional waves into the magnetosphere with that bursty frequency, those waves can then resonantly couple to the field lines further in and drive the FLRs that we have described (see e.g. Kivelson et al, 1998) and as described at the Earth's magnetopause by e.g. Prikryl et al (1998).…”
Section: Discussionmentioning
confidence: 99%
“…The new treatment of resistance facilitates reconnection in the vicinity of the magnetopause and in the downstream return flow region. The large amplitude fluctuations in the data taken in the vicinity of the magnetopause crossings correspond to signatures of intermittent reconnection in the simulation, as evident from movies of the time series simulation data, so they are not likely to be either boundary waves (as suggested by Kivelson et al, 1998) or spatial structures.…”
Section: Inner Boundary Conditionsmentioning
confidence: 99%
“…The thickness of the boundary can be calculated from the measured duration of the magnetopause crossing multiplied by g,h From the magnetic field data at G2, the duration of the inbound crossing is approximately 40 s, giving a thickness of about 320 km [Kivelson et al, 1998]. The boundaries presented in Table 7 are infinitesimally thin and thickness must be added.…”
Section: Adding Finite Thickness To the Boundarymentioning
confidence: 99%