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The morphology of Saturn's aurorae observed during the Cassini Grand Finale

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

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The morphology of Saturn's aurorae observed during the Cassini Grand Finale. / Bader, Alexander; Cowley, S.W.H.; Badman, Sarah et al.
In: Geophysical Research Letters, Vol. 47, No. 2, e2019GL085800, 28.01.2020.

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

Harvard

Bader, A, Cowley, SWH, Badman, S, Ray, LC, Kinrade, J, Palmaerts, B & Pryor, WR 2020, 'The morphology of Saturn's aurorae observed during the Cassini Grand Finale', Geophysical Research Letters, vol. 47, no. 2, e2019GL085800. https://doi.org/10.1029/2019GL085800

APA

Bader, A., Cowley, S. W. H., Badman, S., Ray, L. C., Kinrade, J., Palmaerts, B., & Pryor, W. R. (2020). The morphology of Saturn's aurorae observed during the Cassini Grand Finale. Geophysical Research Letters, 47(2), Article e2019GL085800. https://doi.org/10.1029/2019GL085800

Vancouver

Bader A, Cowley SWH, Badman S, Ray LC, Kinrade J, Palmaerts B et al. The morphology of Saturn's aurorae observed during the Cassini Grand Finale. Geophysical Research Letters. 2020 Jan 28;47(2):e2019GL085800. doi: 10.1029/2019GL085800

Author

Bader, Alexander ; Cowley, S.W.H. ; Badman, Sarah et al. / The morphology of Saturn's aurorae observed during the Cassini Grand Finale. In: Geophysical Research Letters. 2020 ; Vol. 47, No. 2.

Bibtex

@article{1016a5efceb1478a8774913cfe88dd14,
title = "The morphology of Saturn's aurorae observed during the Cassini Grand Finale",
abstract = "Cassini's mission exploring the Saturn system ended with the Grand Finale, a series of orbits bringing the spacecraft closer to the planet than ever before and providing unique opportunities for observations of the ultraviolet aurorae. This study presents a selection of high‐resolution imagery showing the aurorae's small‐scale structure in unprecedented detail. We find the main arc to vary between a smooth and a rippled structure, likely indicating quiet and disturbed magnetospheric conditions, respectively. It is usually accompanied by a diffuse and dim outer emission on its equatorward side which appears to be driven by wave‐scattering of hot electrons from the inner ring current into the loss cone. The dusk side is characterized by highly dynamic structures which may be signatures of radial plasma injections. This image set will be the only high‐resolution data for the foreseeable future and hence forms an important basis for future auroral research on Saturn.",
author = "Alexander Bader and S.W.H. Cowley and Sarah Badman and Ray, {Licia C} and Joe Kinrade and B. Palmaerts and Pryor, {W. R.}",
year = "2020",
month = jan,
day = "28",
doi = "10.1029/2019GL085800",
language = "English",
volume = "47",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "2",

}

RIS

TY - JOUR

T1 - The morphology of Saturn's aurorae observed during the Cassini Grand Finale

AU - Bader, Alexander

AU - Cowley, S.W.H.

AU - Badman, Sarah

AU - Ray, Licia C

AU - Kinrade, Joe

AU - Palmaerts, B.

AU - Pryor, W. R.

PY - 2020/1/28

Y1 - 2020/1/28

N2 - Cassini's mission exploring the Saturn system ended with the Grand Finale, a series of orbits bringing the spacecraft closer to the planet than ever before and providing unique opportunities for observations of the ultraviolet aurorae. This study presents a selection of high‐resolution imagery showing the aurorae's small‐scale structure in unprecedented detail. We find the main arc to vary between a smooth and a rippled structure, likely indicating quiet and disturbed magnetospheric conditions, respectively. It is usually accompanied by a diffuse and dim outer emission on its equatorward side which appears to be driven by wave‐scattering of hot electrons from the inner ring current into the loss cone. The dusk side is characterized by highly dynamic structures which may be signatures of radial plasma injections. This image set will be the only high‐resolution data for the foreseeable future and hence forms an important basis for future auroral research on Saturn.

AB - Cassini's mission exploring the Saturn system ended with the Grand Finale, a series of orbits bringing the spacecraft closer to the planet than ever before and providing unique opportunities for observations of the ultraviolet aurorae. This study presents a selection of high‐resolution imagery showing the aurorae's small‐scale structure in unprecedented detail. We find the main arc to vary between a smooth and a rippled structure, likely indicating quiet and disturbed magnetospheric conditions, respectively. It is usually accompanied by a diffuse and dim outer emission on its equatorward side which appears to be driven by wave‐scattering of hot electrons from the inner ring current into the loss cone. The dusk side is characterized by highly dynamic structures which may be signatures of radial plasma injections. This image set will be the only high‐resolution data for the foreseeable future and hence forms an important basis for future auroral research on Saturn.

U2 - 10.1029/2019GL085800

DO - 10.1029/2019GL085800

M3 - Journal article

VL - 47

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 2

M1 - e2019GL085800

ER -