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Evidence of Alfvénic Activity in Jupiter's Mid‐To‐High Latitude Magnetosphere

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Evidence of Alfvénic Activity in Jupiter's Mid‐To‐High Latitude Magnetosphere. / Lorch, C. T. S.; Ray, L. C.; Wilson, R. J. et al.
In: Journal of Geophysical Research: Space Physics, Vol. 127, No. 6, e2021JA029853, 30.06.2022.

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

Harvard

Lorch, CTS, Ray, LC, Wilson, RJ, Bagenal, F, Crary, F, Delamere, PA, Damiano, PA, Watt, CEJ & Allegrini, F 2022, 'Evidence of Alfvénic Activity in Jupiter's Mid‐To‐High Latitude Magnetosphere', Journal of Geophysical Research: Space Physics, vol. 127, no. 6, e2021JA029853. https://doi.org/10.1029/2021ja029853

APA

Lorch, C. T. S., Ray, L. C., Wilson, R. J., Bagenal, F., Crary, F., Delamere, P. A., Damiano, P. A., Watt, C. E. J., & Allegrini, F. (2022). Evidence of Alfvénic Activity in Jupiter's Mid‐To‐High Latitude Magnetosphere. Journal of Geophysical Research: Space Physics, 127(6), Article e2021JA029853. https://doi.org/10.1029/2021ja029853

Vancouver

Lorch CTS, Ray LC, Wilson RJ, Bagenal F, Crary F, Delamere PA et al. Evidence of Alfvénic Activity in Jupiter's Mid‐To‐High Latitude Magnetosphere. Journal of Geophysical Research: Space Physics. 2022 Jun 30;127(6):e2021JA029853. Epub 2022 May 26. doi: 10.1029/2021ja029853

Author

Lorch, C. T. S. ; Ray, L. C. ; Wilson, R. J. et al. / Evidence of Alfvénic Activity in Jupiter's Mid‐To‐High Latitude Magnetosphere. In: Journal of Geophysical Research: Space Physics. 2022 ; Vol. 127, No. 6.

Bibtex

@article{5aae6f342ea74940a626f14cc9ee7863,
title = "Evidence of Alfv{\'e}nic Activity in Jupiter's Mid‐To‐High Latitude Magnetosphere",
abstract = "Abstract: Using a combination of Juno magnetometer and plasma data, we show evidence of Alfv{\'e}nic turbulence within the mid‐to‐high latitude magnetosphere with sufficient conditions to trigger auroral particle acceleration. We analyze 12 events that, in agreement with theoretical results, are found to be dissipative at the electron inertial scale. Furthermore, these events contain significant Poynting flux in the range ∼0.8–20 mW/m2 at ionospheric altitudes. This is sufficient to generate auroral emissions. We confirm that such events are incompressible, confirming their Alfv{\'e}nicity, occur at dissipative scales, have intermittent features present and are multifractal in nature. These results illustrate the importance of turbulence in the mid‐to‐high latitudes of Jupiter's magnetosphere as a driver of particle acceleration.",
keywords = "Magnetospheric Physics, IONOSPHERE, Ionosphere/magnetosphere interactions, Particle acceleration, Wave/particle interactions, MAGNETOSPHERIC PHYSICS, Magnetosphere/ionosphere interactions, Planetary magnetospheres, PLANETARY SCIENCES: SOLID SURFACE PLANETS, Magnetospheres, PLANETARY SCIENCES: FLUID PLANETS, PLANETARY SCIENCES: COMETS AND SMALL BODIES, RADIO SCIENCE, Waves in plasma, SPACE PLASMA PHYSICS, Research Article, Jupiter, Alfven, turbulence, electron, energization, magnetosphere",
author = "Lorch, {C. T. S.} and Ray, {L. C.} and Wilson, {R. J.} and F. Bagenal and F. Crary and Delamere, {P. A.} and Damiano, {P. A.} and Watt, {C. E. J.} and F. Allegrini",
year = "2022",
month = jun,
day = "30",
doi = "10.1029/2021ja029853",
language = "English",
volume = "127",
journal = "Journal of Geophysical Research: Space Physics",
issn = "2169-9402",
publisher = "Blackwell Publishing Ltd",
number = "6",

}

RIS

TY - JOUR

T1 - Evidence of Alfvénic Activity in Jupiter's Mid‐To‐High Latitude Magnetosphere

AU - Lorch, C. T. S.

AU - Ray, L. C.

AU - Wilson, R. J.

AU - Bagenal, F.

AU - Crary, F.

AU - Delamere, P. A.

AU - Damiano, P. A.

AU - Watt, C. E. J.

AU - Allegrini, F.

PY - 2022/6/30

Y1 - 2022/6/30

N2 - Abstract: Using a combination of Juno magnetometer and plasma data, we show evidence of Alfvénic turbulence within the mid‐to‐high latitude magnetosphere with sufficient conditions to trigger auroral particle acceleration. We analyze 12 events that, in agreement with theoretical results, are found to be dissipative at the electron inertial scale. Furthermore, these events contain significant Poynting flux in the range ∼0.8–20 mW/m2 at ionospheric altitudes. This is sufficient to generate auroral emissions. We confirm that such events are incompressible, confirming their Alfvénicity, occur at dissipative scales, have intermittent features present and are multifractal in nature. These results illustrate the importance of turbulence in the mid‐to‐high latitudes of Jupiter's magnetosphere as a driver of particle acceleration.

AB - Abstract: Using a combination of Juno magnetometer and plasma data, we show evidence of Alfvénic turbulence within the mid‐to‐high latitude magnetosphere with sufficient conditions to trigger auroral particle acceleration. We analyze 12 events that, in agreement with theoretical results, are found to be dissipative at the electron inertial scale. Furthermore, these events contain significant Poynting flux in the range ∼0.8–20 mW/m2 at ionospheric altitudes. This is sufficient to generate auroral emissions. We confirm that such events are incompressible, confirming their Alfvénicity, occur at dissipative scales, have intermittent features present and are multifractal in nature. These results illustrate the importance of turbulence in the mid‐to‐high latitudes of Jupiter's magnetosphere as a driver of particle acceleration.

KW - Magnetospheric Physics

KW - IONOSPHERE

KW - Ionosphere/magnetosphere interactions

KW - Particle acceleration

KW - Wave/particle interactions

KW - MAGNETOSPHERIC PHYSICS

KW - Magnetosphere/ionosphere interactions

KW - Planetary magnetospheres

KW - PLANETARY SCIENCES: SOLID SURFACE PLANETS

KW - Magnetospheres

KW - PLANETARY SCIENCES: FLUID PLANETS

KW - PLANETARY SCIENCES: COMETS AND SMALL BODIES

KW - RADIO SCIENCE

KW - Waves in plasma

KW - SPACE PLASMA PHYSICS

KW - Research Article

KW - Jupiter

KW - Alfven

KW - turbulence

KW - electron

KW - energization

KW - magnetosphere

U2 - 10.1029/2021ja029853

DO - 10.1029/2021ja029853

M3 - Journal article

VL - 127

JO - Journal of Geophysical Research: Space Physics

JF - Journal of Geophysical Research: Space Physics

SN - 2169-9402

IS - 6

M1 - e2021JA029853

ER -