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Cold ionospheric plasma in Titan's magnetotail
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
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2007 (English)In: Geophysical Research Letters, ISSN 0094-8276, Vol. 34, no 24, L24S06- p.Article in journal (Refereed) Published
Abstract [en]

The interaction between Titan and the corotating Saturnian plasma forms an induced magnetosphere with an elongated Alfven-wing-style magnetotail. On 26 December 2005, the Cassini spacecraft flew through Titan's magnetotail, providing the first distant tail observation, over 5 Titan radii downstream. We examine measurements observed by the magnetometer and Langmuir probe during this pass. We use the direction of the magnetic field along the trajectory to identify the source regions of plasma reaching the spacecraft. Cold plasma, with a density of about 10 cm(-3), is found magnetically connected to the ionosphere. Titan's ionosphere appears to be escaping along field lines down the tail, leading to particle loss from the atmosphere.

Place, publisher, year, edition, pages
2007. Vol. 34, no 24, L24S06- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-149987DOI: 10.1029/2007GL030701ISI: 000250703900001OAI: oai:DiVA.org:uu-149987DiVA: diva2:406126
Available from: 2011-03-24 Created: 2011-03-24 Last updated: 2011-03-24Bibliographically approved

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