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Cassini plasma observations of Saturn's magnetospheric cusp

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Cassini plasma observations of Saturn's magnetospheric cusp. / Jasinski, J. M.; Arridge, Christopher Stephen; Coates, A. J.; Jones, Geraint H.; Sergis, Nick; Thomsen, M. F.; Reisenfeld, Dan; Krupp, Norbert; Waite, J. H.

In: Journal of Geophysical Research: Space Physics, Vol. 121, No. 12, 12.2016, p. 12047-12067.

Research output: Contribution to journalJournal article

Harvard

Jasinski, JM, Arridge, CS, Coates, AJ, Jones, GH, Sergis, N, Thomsen, MF, Reisenfeld, D, Krupp, N & Waite, JH 2016, 'Cassini plasma observations of Saturn's magnetospheric cusp', Journal of Geophysical Research: Space Physics, vol. 121, no. 12, pp. 12047-12067. https://doi.org/10.1002/2016JA023310

APA

Jasinski, J. M., Arridge, C. S., Coates, A. J., Jones, G. H., Sergis, N., Thomsen, M. F., Reisenfeld, D., Krupp, N., & Waite, J. H. (2016). Cassini plasma observations of Saturn's magnetospheric cusp. Journal of Geophysical Research: Space Physics, 121(12), 12047-12067. https://doi.org/10.1002/2016JA023310

Vancouver

Jasinski JM, Arridge CS, Coates AJ, Jones GH, Sergis N, Thomsen MF et al. Cassini plasma observations of Saturn's magnetospheric cusp. Journal of Geophysical Research: Space Physics. 2016 Dec;121(12):12047-12067. https://doi.org/10.1002/2016JA023310

Author

Jasinski, J. M. ; Arridge, Christopher Stephen ; Coates, A. J. ; Jones, Geraint H. ; Sergis, Nick ; Thomsen, M. F. ; Reisenfeld, Dan ; Krupp, Norbert ; Waite, J. H. / Cassini plasma observations of Saturn's magnetospheric cusp. In: Journal of Geophysical Research: Space Physics. 2016 ; Vol. 121, No. 12. pp. 12047-12067.

Bibtex

@article{75a29ad63f4d4c7a9ce7c8dfc8218ad6,
title = "Cassini plasma observations of Saturn's magnetospheric cusp",
abstract = "The magnetospheric cusp is a funnel-shaped region where shocked solar wind plasma is able to enter the high latitude magnetosphere via the process of magnetic reconnection. The plasma observations include various cusp signatures such as ion energy dispersions as well as diamagnetic effects. We present an overview analysis of the cusp plasma observations at the Saturnian magnetosphere from the Cassini spacecraft era. A comparison of the observations is made as well as classification into groups due to varying characteristics. The locations of the reconnection site are calculated and shown to vary along the subsolar magnetopause. We show the first in situ evidence for lobe reconnection that occurred at nearly the same time as dayside reconnection for one of the cusp crossings. Evidence for 'bursty' and more 'continous' reconnection signatures are observed in different cusp events. The events are compared to solar wind propagation models and it is shown that magnetic reconnection and plasma injection into the cusp can occur for a variety of upstream conditions. These are important results because they show that Saturn's magnetospheric interaction with the solar wind and the resulting cusp signatures are dynamic, and that plasma injection in the cusp occurs due to a variety of solar wind conditions. Furthermore, reconnection can proceed at a variety of locations along the magnetopause.",
keywords = "cusp, magnetosphere, Cassini, reconnection, dispersion, Saturn",
author = "Jasinski, {J. M.} and Arridge, {Christopher Stephen} and Coates, {A. J.} and Jones, {Geraint H.} and Nick Sergis and Thomsen, {M. F.} and Dan Reisenfeld and Norbert Krupp and Waite, {J. H.}",
year = "2016",
month = dec
doi = "10.1002/2016JA023310",
language = "English",
volume = "121",
pages = "12047--12067",
journal = "Journal of Geophysical Research: Space Physics",
issn = "2169-9402",
publisher = "Blackwell Publishing Ltd",
number = "12",

}

RIS

TY - JOUR

T1 - Cassini plasma observations of Saturn's magnetospheric cusp

AU - Jasinski, J. M.

AU - Arridge, Christopher Stephen

AU - Coates, A. J.

AU - Jones, Geraint H.

AU - Sergis, Nick

AU - Thomsen, M. F.

AU - Reisenfeld, Dan

AU - Krupp, Norbert

AU - Waite, J. H.

PY - 2016/12

Y1 - 2016/12

N2 - The magnetospheric cusp is a funnel-shaped region where shocked solar wind plasma is able to enter the high latitude magnetosphere via the process of magnetic reconnection. The plasma observations include various cusp signatures such as ion energy dispersions as well as diamagnetic effects. We present an overview analysis of the cusp plasma observations at the Saturnian magnetosphere from the Cassini spacecraft era. A comparison of the observations is made as well as classification into groups due to varying characteristics. The locations of the reconnection site are calculated and shown to vary along the subsolar magnetopause. We show the first in situ evidence for lobe reconnection that occurred at nearly the same time as dayside reconnection for one of the cusp crossings. Evidence for 'bursty' and more 'continous' reconnection signatures are observed in different cusp events. The events are compared to solar wind propagation models and it is shown that magnetic reconnection and plasma injection into the cusp can occur for a variety of upstream conditions. These are important results because they show that Saturn's magnetospheric interaction with the solar wind and the resulting cusp signatures are dynamic, and that plasma injection in the cusp occurs due to a variety of solar wind conditions. Furthermore, reconnection can proceed at a variety of locations along the magnetopause.

AB - The magnetospheric cusp is a funnel-shaped region where shocked solar wind plasma is able to enter the high latitude magnetosphere via the process of magnetic reconnection. The plasma observations include various cusp signatures such as ion energy dispersions as well as diamagnetic effects. We present an overview analysis of the cusp plasma observations at the Saturnian magnetosphere from the Cassini spacecraft era. A comparison of the observations is made as well as classification into groups due to varying characteristics. The locations of the reconnection site are calculated and shown to vary along the subsolar magnetopause. We show the first in situ evidence for lobe reconnection that occurred at nearly the same time as dayside reconnection for one of the cusp crossings. Evidence for 'bursty' and more 'continous' reconnection signatures are observed in different cusp events. The events are compared to solar wind propagation models and it is shown that magnetic reconnection and plasma injection into the cusp can occur for a variety of upstream conditions. These are important results because they show that Saturn's magnetospheric interaction with the solar wind and the resulting cusp signatures are dynamic, and that plasma injection in the cusp occurs due to a variety of solar wind conditions. Furthermore, reconnection can proceed at a variety of locations along the magnetopause.

KW - cusp

KW - magnetosphere

KW - Cassini

KW - reconnection

KW - dispersion

KW - Saturn

U2 - 10.1002/2016JA023310

DO - 10.1002/2016JA023310

M3 - Journal article

VL - 121

SP - 12047

EP - 12067

JO - Journal of Geophysical Research: Space Physics

JF - Journal of Geophysical Research: Space Physics

SN - 2169-9402

IS - 12

ER -