Kabanovic, Slawa ORCID: 0000-0002-2207-9982, Simon, Sven ORCID: 0000-0002-6204-5437, Neubauer, Fritz M. and Meeks, Zachary (2017). An Empirical Model of Titan's Magnetic Environment During the Cassini Era: Evidence for Seasonal Variability. J. Geophys. Res-Space Phys., 122 (11). S. 11076 - 11086. WASHINGTON: AMER GEOPHYSICAL UNION. ISSN 2169-9402

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Based on the magnetic field data collected during the Cassini era, we construct an empirical model of the ambient magnetospheric field conditions along the orbit of Saturn's largest moon Titan. Observations from Cassini's close Titan flybys as well as 191 nontargeted crossings of Titan's orbit are taken into account. For each of these events we apply the classification technique of Simon et al. (2010b) to categorize the ambient magnetospheric field as current sheet, lobe-like, magnetosheath, or an admixture of these regimes. Independent of Saturnian season, Titan's magnetic environment around noon Saturn local time is dominated by the perturbed fields of Saturn's broad magnetodisk current sheet. Only observations from the nightside magnetosphere reveal a slow but steady change of the background field from southern lobe-type to northern lobe-type on a timescale of several years. This behavior is consistent with a continuous change in the curvature of the bowl-shaped magnetodisk current sheet over the course of the Saturnian year. We determine the occurrence rate of each magnetic environment category along Titan's orbit as a function of Saturnian season and local time.

Item Type: Journal Article
CreatorsEmailORCIDORCID Put Code
Kabanovic, SlawaUNSPECIFIEDorcid.org/0000-0002-2207-9982UNSPECIFIED
Simon, SvenUNSPECIFIEDorcid.org/0000-0002-6204-5437UNSPECIFIED
URN: urn:nbn:de:hbz:38-211692
DOI: 10.1002/2017JA024402
Journal or Publication Title: J. Geophys. Res-Space Phys.
Volume: 122
Number: 11
Page Range: S. 11076 - 11086
Date: 2017
Place of Publication: WASHINGTON
ISSN: 2169-9402
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
Astronomy & AstrophysicsMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/21169


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