HR: 13:40h
AN: P53D-01    [Abstracts]
TI: High Latitude Structure of Saturn's Magnetopause: Cassini Observations
AU: * Achilleos, N
EM: nick@apl.ucl.ac.uk
AF: Atmospheric Physics Laboratory, University College London, Gower Street, London, Eng WC1E 6BT, United Kingdom
AU: Arridge, C S
EM: csa@mssl.ucl.ac.uk
AF: Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking, Eng RH5 6NT, United Kingdom
AU: McAndrews, H J
EM: hazelm@lanl.gov
AF: Los Alamos National Laboratory, PO Box 1663, Los Alamos, NM 87545, United States
AU: Masters, A
EM: adam.masters02@imperial.ac.uk
AF: Blackett Laboratory, Imperial College London, Exhibition Road, LONDON, Eng SW7 2AZ, United Kingdom
AU: Dougherty, M K
EM: m.dougherty@imperial.ac.uk
AF: Blackett Laboratory, Imperial College London, Exhibition Road, LONDON, Eng SW7 2AZ, United Kingdom
AU: Coates, A J
EM: ajc@mssl.ucl.ac.uk
AF: Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking, Eng RH5 6NT, United Kingdom
AB: We investigate the location of magnetopause crossings detected during high latitude orbits (> 30 deg) of the Cassini spacecraft. Using the magnetospheric field as a proxy for solar wind pressure, we compare the observed crossing locations with their predicted positions from axisymmetric magnetopause models. Systematic differences at high latitudes between these two quantities are used to place constraints on the degree of polar 'flattening' for Saturn's magnetopause. We comment on the corresponding internal structure of the magnetospheric obstacle.
DE: 2724 Magnetopause and boundary layers
DE: 2756 Planetary magnetospheres (5443, 5737, 6033)
DE: 6275 Saturn
SC: Planetary Sciences [P]
MN: 2007 Fall Meeting