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Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope
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| Zeitschriftentitel: | Geophysical Research Letters |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , , , , , , , , |
| In: | Geophysical Research Letters, 41, 2014, 10, S. 3323-3330 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
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| Schlagwörter: |
| author_facet |
Nichols, J. D. V.Badman, S. Baines, K. H. Brown, R. H. Bunce, E. J. Clarke, J. T. Cowley, S. W. H. Crary, F. J. Dougherty, M. K. Gérard, J.‐C. Grocott, A. Grodent, D. Kurth, W. S. Melin, H. Mitchell, D. G. Pryor, W. R. Stallard, T. S. Nichols, J. D. V.Badman, S. Baines, K. H. Brown, R. H. Bunce, E. J. Clarke, J. T. Cowley, S. W. H. Crary, F. J. Dougherty, M. K. Gérard, J.‐C. Grocott, A. Grodent, D. Kurth, W. S. Melin, H. Mitchell, D. G. Pryor, W. R. Stallard, T. S. |
|---|---|
| author |
Nichols, J. D. V.Badman, S. Baines, K. H. Brown, R. H. Bunce, E. J. Clarke, J. T. Cowley, S. W. H. Crary, F. J. Dougherty, M. K. Gérard, J.‐C. Grocott, A. Grodent, D. Kurth, W. S. Melin, H. Mitchell, D. G. Pryor, W. R. Stallard, T. S. |
| spellingShingle |
Nichols, J. D. V.Badman, S. Baines, K. H. Brown, R. H. Bunce, E. J. Clarke, J. T. Cowley, S. W. H. Crary, F. J. Dougherty, M. K. Gérard, J.‐C. Grocott, A. Grodent, D. Kurth, W. S. Melin, H. Mitchell, D. G. Pryor, W. R. Stallard, T. S. Geophysical Research Letters Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope General Earth and Planetary Sciences Geophysics |
| author_sort |
nichols, j. d. |
| spelling |
Nichols, J. D. V.Badman, S. Baines, K. H. Brown, R. H. Bunce, E. J. Clarke, J. T. Cowley, S. W. H. Crary, F. J. Dougherty, M. K. Gérard, J.‐C. Grocott, A. Grodent, D. Kurth, W. S. Melin, H. Mitchell, D. G. Pryor, W. R. Stallard, T. S. 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1002/2014gl060186 <jats:title>Abstract</jats:title><jats:p>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.</jats:p> Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope Geophysical Research Letters |
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| title |
Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_unstemmed |
Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_full |
Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_fullStr |
Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_full_unstemmed |
Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_short |
Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_sort |
dynamic auroral storms on saturn as observed by the hubble space telescope |
| topic |
General Earth and Planetary Sciences Geophysics |
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http://dx.doi.org/10.1002/2014gl060186 |
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2014 |
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3323-3330 |
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<jats:title>Abstract</jats:title><jats:p>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.</jats:p> |
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| author | Nichols, J. D., V.Badman, S., Baines, K. H., Brown, R. H., Bunce, E. J., Clarke, J. T., Cowley, S. W. H., Crary, F. J., Dougherty, M. K., Gérard, J.‐C., Grocott, A., Grodent, D., Kurth, W. S., Melin, H., Mitchell, D. G., Pryor, W. R., Stallard, T. S. |
| author_facet | Nichols, J. D., V.Badman, S., Baines, K. H., Brown, R. H., Bunce, E. J., Clarke, J. T., Cowley, S. W. H., Crary, F. J., Dougherty, M. K., Gérard, J.‐C., Grocott, A., Grodent, D., Kurth, W. S., Melin, H., Mitchell, D. G., Pryor, W. R., Stallard, T. S., Nichols, J. D., V.Badman, S., Baines, K. H., Brown, R. H., Bunce, E. J., Clarke, J. T., Cowley, S. W. H., Crary, F. J., Dougherty, M. K., Gérard, J.‐C., Grocott, A., Grodent, D., Kurth, W. S., Melin, H., Mitchell, D. G., Pryor, W. R., Stallard, T. S. |
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| description | <jats:title>Abstract</jats:title><jats:p>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.</jats:p> |
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| spelling | Nichols, J. D. V.Badman, S. Baines, K. H. Brown, R. H. Bunce, E. J. Clarke, J. T. Cowley, S. W. H. Crary, F. J. Dougherty, M. K. Gérard, J.‐C. Grocott, A. Grodent, D. Kurth, W. S. Melin, H. Mitchell, D. G. Pryor, W. R. Stallard, T. S. 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1002/2014gl060186 <jats:title>Abstract</jats:title><jats:p>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.</jats:p> Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope Geophysical Research Letters |
| spellingShingle | Nichols, J. D., V.Badman, S., Baines, K. H., Brown, R. H., Bunce, E. J., Clarke, J. T., Cowley, S. W. H., Crary, F. J., Dougherty, M. K., Gérard, J.‐C., Grocott, A., Grodent, D., Kurth, W. S., Melin, H., Mitchell, D. G., Pryor, W. R., Stallard, T. S., Geophysical Research Letters, Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope, General Earth and Planetary Sciences, Geophysics |
| title | Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_full | Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_fullStr | Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_full_unstemmed | Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_short | Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| title_sort | dynamic auroral storms on saturn as observed by the hubble space telescope |
| title_unstemmed | Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope |
| topic | General Earth and Planetary Sciences, Geophysics |
| url | http://dx.doi.org/10.1002/2014gl060186 |