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    Rights statement: ©2014. The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope. / Nichols, J. D.; Badman, S. V.; Baines, K. H. et al.
In: Geophysical Research Letters, Vol. 41, No. 10, 28.05.2014, p. 3323-3330.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Nichols, JD, Badman, SV, Baines, KH, Brown, RH, Bunce, EJ, Clarke, JT, Cowley, SWH, Crary, FJ, Dougherty, MK, Gerard, J-C, Grocott, A, Grodent, D, Kurth, WS, Melin, H, Mitchell, DG, Pryor, WR & Stallard, TS 2014, 'Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope', Geophysical Research Letters, vol. 41, no. 10, pp. 3323-3330. https://doi.org/10.1002/2014GL060186

APA

Nichols, J. D., Badman, S. V., Baines, K. H., Brown, R. H., Bunce, E. J., Clarke, J. T., Cowley, S. W. H., Crary, F. J., Dougherty, M. K., Gerard, J-C., Grocott, A., Grodent, D., Kurth, W. S., Melin, H., Mitchell, D. G., Pryor, W. R., & Stallard, T. S. (2014). Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope. Geophysical Research Letters, 41(10), 3323-3330. https://doi.org/10.1002/2014GL060186

Vancouver

Nichols JD, Badman SV, Baines KH, Brown RH, Bunce EJ, Clarke JT et al. Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope. Geophysical Research Letters. 2014 May 28;41(10):3323-3330. Epub 2014 May 20. doi: 10.1002/2014GL060186

Author

Nichols, J. D. ; Badman, S. V. ; Baines, K. H. et al. / Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope. In: Geophysical Research Letters. 2014 ; Vol. 41, No. 10. pp. 3323-3330.

Bibtex

@article{8eabeedcce9a4a3bab7f70c785e05bf2,
title = "Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope",
abstract = "We present observations of significant dynamics within two UV auroral storms observed on Saturn using the Hubble Space Telescope in April/May 2013. Specifically, we discuss bursts of auroral emission observed at the poleward boundary of a solar wind-induced auroral storm, propagating at ∼330% rigid corotation from near ∼01 h LT toward ∼08 h LT. We suggest that these are indicative of ongoing, bursty reconnection of lobe flux in the magnetotail, providing strong evidence that Saturn{\textquoteright}s auroral storms are caused by large-scale flux closure. We also discuss the later evolution of a similar storm and show that the emission maps to the trailing region of an energetic neutral atom enhancement. We thus identify the auroral form with the upward field-aligned continuity currents flowing into the associated partial ring current.",
keywords = "saturn, auroras, magnetosphere, magnetotail",
author = "Nichols, {J. D.} and Badman, {S. V.} and Baines, {K. H.} and Brown, {R. H.} and Bunce, {E. J.} and Clarke, {J. T.} and Cowley, {S. W. H.} and Crary, {F. J.} and Dougherty, {M. K.} and J.-C. Gerard and Adrian Grocott and Denis Grodent and W.S. Kurth and Henrik Melin and D. G. Mitchell and Pryor, {W. R.} and Stallard, {T. S.}",
note = "{\textcopyright}2014. The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.",
year = "2014",
month = may,
day = "28",
doi = "10.1002/2014GL060186",
language = "English",
volume = "41",
pages = "3323--3330",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "10",

}

RIS

TY - JOUR

T1 - Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope

AU - Nichols, J. D.

AU - Badman, S. V.

AU - Baines, K. H.

AU - Brown, R. H.

AU - Bunce, E. J.

AU - Clarke, J. T.

AU - Cowley, S. W. H.

AU - Crary, F. J.

AU - Dougherty, M. K.

AU - Gerard, J.-C.

AU - Grocott, Adrian

AU - Grodent, Denis

AU - Kurth, W.S.

AU - Melin, Henrik

AU - Mitchell, D. G.

AU - Pryor, W. R.

AU - Stallard, T. S.

N1 - ©2014. The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

PY - 2014/5/28

Y1 - 2014/5/28

N2 - We present observations of significant dynamics within two UV auroral storms observed on Saturn using the Hubble Space Telescope in April/May 2013. Specifically, we discuss bursts of auroral emission observed at the poleward boundary of a solar wind-induced auroral storm, propagating at ∼330% rigid corotation from near ∼01 h LT toward ∼08 h LT. We suggest that these are indicative of ongoing, bursty reconnection of lobe flux in the magnetotail, providing strong evidence that Saturn’s auroral storms are caused by large-scale flux closure. We also discuss the later evolution of a similar storm and show that the emission maps to the trailing region of an energetic neutral atom enhancement. We thus identify the auroral form with the upward field-aligned continuity currents flowing into the associated partial ring current.

AB - We present observations of significant dynamics within two UV auroral storms observed on Saturn using the Hubble Space Telescope in April/May 2013. Specifically, we discuss bursts of auroral emission observed at the poleward boundary of a solar wind-induced auroral storm, propagating at ∼330% rigid corotation from near ∼01 h LT toward ∼08 h LT. We suggest that these are indicative of ongoing, bursty reconnection of lobe flux in the magnetotail, providing strong evidence that Saturn’s auroral storms are caused by large-scale flux closure. We also discuss the later evolution of a similar storm and show that the emission maps to the trailing region of an energetic neutral atom enhancement. We thus identify the auroral form with the upward field-aligned continuity currents flowing into the associated partial ring current.

KW - saturn

KW - auroras

KW - magnetosphere

KW - magnetotail

U2 - 10.1002/2014GL060186

DO - 10.1002/2014GL060186

M3 - Journal article

VL - 41

SP - 3323

EP - 3330

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 10

ER -