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Titan's influence on Saturnian substorm occurrence

Titan's influence on Saturnian substorm occurrence
Titan's influence on Saturnian substorm occurrence

Substorms play an important role in the energization and transport of plasmas in planetary magnetospheres, including the shedding of the mass added by moons in the case of Jupiter and Saturn. Mass shedding occurs through rapid reconnection in the near tail resulting in dipolarization on the magnetospheric side of the reconnection point and plasmoid formation down tail. Observations of these sudden reconnection events in Saturn's near-tail region provide additional insight into this process. Saturnian substorms, at least on occasion, have a plasmoid formation phase leading to a traveling compression region. Changes in the field strength across reconnection events suggest that open flux has been removed fromthe tail. The timing of tail reconnection events appears to be controlled by both the orbital phase of Titan, and the variable stretching of the near-tail field as Saturn rotates.

0094-8276
Russell, C.T.
0beb88bf-9d0e-4b75-80ae-61ba3776ce59
Jackman, C.M.
9bc3456c-b254-48f1-ade0-912c5b8b4529
Wei, H.Y.
d4ab660a-a853-4aa1-b42c-2493b4010b76
Bertucci, C.
138c36a2-12ef-4021-a901-1bf5645155b7
Dougherty, M.K.
aa297043-7e86-4501-952b-a6363edaaba8
Russell, C.T.
0beb88bf-9d0e-4b75-80ae-61ba3776ce59
Jackman, C.M.
9bc3456c-b254-48f1-ade0-912c5b8b4529
Wei, H.Y.
d4ab660a-a853-4aa1-b42c-2493b4010b76
Bertucci, C.
138c36a2-12ef-4021-a901-1bf5645155b7
Dougherty, M.K.
aa297043-7e86-4501-952b-a6363edaaba8

Russell, C.T., Jackman, C.M., Wei, H.Y., Bertucci, C. and Dougherty, M.K. (2008) Titan's influence on Saturnian substorm occurrence. Geophysical Research Letters, 35 (12), [L12105]. (doi:10.1029/2008GL034080).

Record type: Article

Abstract

Substorms play an important role in the energization and transport of plasmas in planetary magnetospheres, including the shedding of the mass added by moons in the case of Jupiter and Saturn. Mass shedding occurs through rapid reconnection in the near tail resulting in dipolarization on the magnetospheric side of the reconnection point and plasmoid formation down tail. Observations of these sudden reconnection events in Saturn's near-tail region provide additional insight into this process. Saturnian substorms, at least on occasion, have a plasmoid formation phase leading to a traveling compression region. Changes in the field strength across reconnection events suggest that open flux has been removed fromthe tail. The timing of tail reconnection events appears to be controlled by both the orbital phase of Titan, and the variable stretching of the near-tail field as Saturn rotates.

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Published date: 28 June 2008

Identifiers

Local EPrints ID: 437125
URI: http://eprints.soton.ac.uk/id/eprint/437125
ISSN: 0094-8276
PURE UUID: b5e1fca9-5a65-40ec-9b9e-b8c6bf06d507
ORCID for C.M. Jackman: ORCID iD orcid.org/0000-0003-0635-7361

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Date deposited: 17 Jan 2020 17:35
Last modified: 10 Nov 2021 03:35

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Contributors

Author: C.T. Russell
Author: C.M. Jackman ORCID iD
Author: H.Y. Wei
Author: C. Bertucci
Author: M.K. Dougherty

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