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Titan's ion exosphere observed from Voyager 1The plasma wake surrounding Titan in Saturn's rotating magnetosphere is characterized by a plasma which is denser and cooler than the surrounding subsonic magnetospheric plasma, and which is produced by the deflection of magnetospheric plasma around Titan and the addition of exospheric ions picked up by the rotating magnetosphere. A resemblance to the interaction between the solar wind and Venus is shown for the case of ion pickup in the ion exosphere outside Titan's magnetic tail and ion flow within the boundaries of the tail as Saturn's rotating magnetosphere interacts with Titan. The boundary of the tail is indicated by a sharp reduction in the flux of high-energy electrons, which are removed by inelastic scattering with the atmosphere and centrifugal drift produced when the electrons traverse the magnetic field draped around Saturn.
Document ID
19820042719
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hartle, R. E.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Sittler, E. C., Jr.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Ogilvie, K. W.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Scudder, J. D.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Lazarus, A. J.
(MIT Cambridge, MA, United States)
Atreya, S. K.
(Michigan, University Ann Arbor, MI, United States)
Date Acquired
August 10, 2013
Publication Date
March 1, 1982
Publication Information
Publication: Journal of Geophysical Research
Volume: 87
Subject Category
Lunar And Planetary Exploration
Accession Number
82A26254
Distribution Limits
Public
Copyright
Other

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