Universität zu Köln

Feyerabend, Moritz, Simon, Sven ORCID: 0000-0002-6204-5437, Neubauer, Fritz M., Motschmann, Uwe, Bertucci, Cesar, Edberg, Niklas J. T., Hospodarsky, George B. and Kurth, William S. (2016). Hybrid simulation of Titan's interaction with the supersonic solar wind during Cassini's T96 flyby. Geophys. Res. Lett., 43 (1). S. 35 - 43. WASHINGTON: AMER GEOPHYSICAL UNION. ISSN 1944-8007

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Abstract

By applying a hybrid (kinetic ions and fluid electrons) simulation code, we study the plasma environment of Saturn's largest moon Titan during Cassini's T96 flyby on 1 December 2013. The T96 encounter marks the only observed event of the entire Cassini mission where Titan was located in the supersonic solar wind in front of Saturn's bow shock. Our simulations can quantitatively reproduce the key features of Cassini magnetic field and electron density observations during this encounter. We demonstrate that the large-scale features of Titan's induced magnetosphere during T96 can be described in terms of a steady state interaction with a high-pressure solar wind flow. About 40min before the encounter, Cassini observed a rotation of the incident solar wind magnetic field by almost 90 degrees. We provide strong evidence that this rotation left a bundle of fossilized magnetic field lines in Titan's ionosphere that was subsequently detected by the spacecraft.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Feyerabend, Moritz UNSPECIFIED UNSPECIFIED UNSPECIFIED Simon, Sven UNSPECIFIED orcid.org/0000-0002-6204-5437 UNSPECIFIED Neubauer, Fritz M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Motschmann, Uwe UNSPECIFIED UNSPECIFIED UNSPECIFIED Bertucci, Cesar UNSPECIFIED UNSPECIFIED UNSPECIFIED Edberg, Niklas J. T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hospodarsky, George B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kurth, William S. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-287170
DOI:	10.1002/2015GL066848
Journal or Publication Title:	Geophys. Res. Lett.
Volume:	43
Number:	1
Page Range:	S. 35 - 43
Date:	2016
Publisher:	AMER GEOPHYSICAL UNION
Place of Publication:	WASHINGTON
ISSN:	1944-8007
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language PLASMA ENVIRONMENT; MARS Multiple languages Geosciences, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/28717