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Bursty magnetic reconnection at Saturn's magnetopause

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Bursty magnetic reconnection at Saturn's magnetopause. / Badman, Sarah V.; Masters, Adam; Hasegawa, Hiroshi; Fujimoto, Masaki; Radioti, Aikaterini; Grodent, Denis; Sergis, Nicholas; Dougherty, Michele; Coates, A. J.

In: Geophysical Research Letters, Vol. 40, No. 6, 03.2013, p. 1027-1031.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Badman, SV, Masters, A, Hasegawa, H, Fujimoto, M, Radioti, A, Grodent, D, Sergis, N, Dougherty, M & Coates, AJ 2013, 'Bursty magnetic reconnection at Saturn's magnetopause', Geophysical Research Letters, vol. 40, no. 6, pp. 1027-1031. https://doi.org/10.1002/grl.50199

APA

Badman, S. V., Masters, A., Hasegawa, H., Fujimoto, M., Radioti, A., Grodent, D., Sergis, N., Dougherty, M., & Coates, A. J. (2013). Bursty magnetic reconnection at Saturn's magnetopause. Geophysical Research Letters, 40(6), 1027-1031. https://doi.org/10.1002/grl.50199

Vancouver

Badman SV, Masters A, Hasegawa H, Fujimoto M, Radioti A, Grodent D et al. Bursty magnetic reconnection at Saturn's magnetopause. Geophysical Research Letters. 2013 Mar;40(6):1027-1031. https://doi.org/10.1002/grl.50199

Author

Badman, Sarah V. ; Masters, Adam ; Hasegawa, Hiroshi ; Fujimoto, Masaki ; Radioti, Aikaterini ; Grodent, Denis ; Sergis, Nicholas ; Dougherty, Michele ; Coates, A. J. / Bursty magnetic reconnection at Saturn's magnetopause. In: Geophysical Research Letters. 2013 ; Vol. 40, No. 6. pp. 1027-1031.

Bibtex

@article{25751fe3037a4ab2ba29abc66067c216,
title = "Bursty magnetic reconnection at Saturn's magnetopause",
abstract = "We infer the evolution of magnetopause reconnection from simultaneous in situ magnetopause crossings and auroral observations by Cassini on 19 July 2008. Depending on the magnetosheath field, it proceeds from (i) the high-latitude lobe, producing a cusp spot in the aurora, to (ii) lower latitude but north of Cassini, evidenced by an enhancement of the pre-noon auroral arc and escape of magnetospheric electrons during a long boundary layer traversal, to (iii) bursts of reconnection south of Cassini, resulting in bifurcations of the near-noon auroral oval, escape of magnetospheric electrons, and a short boundary layer encounter. The conditions under which the auroral bifurcations associated with this bursty reconnection were observed were examined for this and three other examples. The magnetosphere was strongly compressed with a high magnetosheath field strength in every case. We conclude that reconnection can proceed at different locations on the magnetopause, depending on the local magnetic shear and plasma β conditions, and bursty reconnection occurs when the magnetosphere is strongly compressed and can result in significant solar wind-driven flux transport in Saturn's outer magnetosphere.",
keywords = "Saturn, reconnection, aurora",
author = "Badman, {Sarah V.} and Adam Masters and Hiroshi Hasegawa and Masaki Fujimoto and Aikaterini Radioti and Denis Grodent and Nicholas Sergis and Michele Dougherty and Coates, {A. J.}",
note = "{\textcopyright}2013. American Geophysical Union. All Rights Reserved.",
year = "2013",
month = mar,
doi = "10.1002/grl.50199",
language = "English",
volume = "40",
pages = "1027--1031",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "6",

}

RIS

TY - JOUR

T1 - Bursty magnetic reconnection at Saturn's magnetopause

AU - Badman, Sarah V.

AU - Masters, Adam

AU - Hasegawa, Hiroshi

AU - Fujimoto, Masaki

AU - Radioti, Aikaterini

AU - Grodent, Denis

AU - Sergis, Nicholas

AU - Dougherty, Michele

AU - Coates, A. J.

N1 - ©2013. American Geophysical Union. All Rights Reserved.

PY - 2013/3

Y1 - 2013/3

N2 - We infer the evolution of magnetopause reconnection from simultaneous in situ magnetopause crossings and auroral observations by Cassini on 19 July 2008. Depending on the magnetosheath field, it proceeds from (i) the high-latitude lobe, producing a cusp spot in the aurora, to (ii) lower latitude but north of Cassini, evidenced by an enhancement of the pre-noon auroral arc and escape of magnetospheric electrons during a long boundary layer traversal, to (iii) bursts of reconnection south of Cassini, resulting in bifurcations of the near-noon auroral oval, escape of magnetospheric electrons, and a short boundary layer encounter. The conditions under which the auroral bifurcations associated with this bursty reconnection were observed were examined for this and three other examples. The magnetosphere was strongly compressed with a high magnetosheath field strength in every case. We conclude that reconnection can proceed at different locations on the magnetopause, depending on the local magnetic shear and plasma β conditions, and bursty reconnection occurs when the magnetosphere is strongly compressed and can result in significant solar wind-driven flux transport in Saturn's outer magnetosphere.

AB - We infer the evolution of magnetopause reconnection from simultaneous in situ magnetopause crossings and auroral observations by Cassini on 19 July 2008. Depending on the magnetosheath field, it proceeds from (i) the high-latitude lobe, producing a cusp spot in the aurora, to (ii) lower latitude but north of Cassini, evidenced by an enhancement of the pre-noon auroral arc and escape of magnetospheric electrons during a long boundary layer traversal, to (iii) bursts of reconnection south of Cassini, resulting in bifurcations of the near-noon auroral oval, escape of magnetospheric electrons, and a short boundary layer encounter. The conditions under which the auroral bifurcations associated with this bursty reconnection were observed were examined for this and three other examples. The magnetosphere was strongly compressed with a high magnetosheath field strength in every case. We conclude that reconnection can proceed at different locations on the magnetopause, depending on the local magnetic shear and plasma β conditions, and bursty reconnection occurs when the magnetosphere is strongly compressed and can result in significant solar wind-driven flux transport in Saturn's outer magnetosphere.

KW - Saturn

KW - reconnection

KW - aurora

UR - http://www.scopus.com/inward/record.url?scp=84876928646&partnerID=8YFLogxK

U2 - 10.1002/grl.50199

DO - 10.1002/grl.50199

M3 - Journal article

AN - SCOPUS:84876928646

VL - 40

SP - 1027

EP - 1031

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 6

ER -