Physics
Scientific paper
Oct 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001jgr...10621263s&link_type=abstract
Journal of Geophysical Research, Volume 106, Issue A10, p. 21263-21276
Physics
5
Planetology: Fluid Planets: Magnetospheres, Planetology: Comets And Small Bodies: Magnetic Fields And Magnetism, Planetology: Solar System Objects: Jovian Satellites
Scientific paper
The encounters of Ganymede by the Galileo spacecraft have shown the existence of an intrinsic magnetic field as well as a magnetosphere for Ganymede [Kivelson et al., 1996, 1997, 1998; Kurth et al., 1997; Volwerk et al., 1999; Williams et al., 1997a, 1997b]. The magnetic field in the region of Ganymede was first modeled by Kivelson et al. [1996] as a simple dipole, excluding external field sources (namely, a field due to magnetopause and magnetotail currents), superposed on the Jovian background magnetic field. We call this model M1 herein. This paper presents an alternative model with magnetopause and tail field current contributions, along with an internal multipole model for Ganymede, that has been derived by refitting the internal and external source model coefficients to the magnetic field data local to the Galileo spacecraft using the methods of Choe and Beard [1974a, 1974b]. For brevity we will refer to this model as the Stone-Choe-Beard (SCB) model. Both models are then compared to the original magnetic field data for the G2 and G7 encounters. The SCB model represents the magnetic field and its variations at the spacecraft, especially at the magnetopause crossings, more accurately than M1. A method that tests both models throughout the magnetosphere of Ganymede utilizing particle absorption signatures will be presented in a manuscript in progress.
Armstrong Thomas P.
Stone Shawn M.
No associations
LandOfFree
Three-dimensional magnetopause and tail current model of the magnetosphere of Ganymede does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Three-dimensional magnetopause and tail current model of the magnetosphere of Ganymede, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Three-dimensional magnetopause and tail current model of the magnetosphere of Ganymede will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1002319