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    Rights statement: Accepted for publication in Geophysical Research Letters. Copyright 2017 American Geophysical Union. Further reproduction or electronic distribution is not permitted.

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Transient brightening of Jupiter's aurora observed by the Hisaki satellite and Hubble Space Telescope during approach phase of the Juno spacecraft

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Transient brightening of Jupiter's aurora observed by the Hisaki satellite and Hubble Space Telescope during approach phase of the Juno spacecraft. / Kimura, Tomoki; Nichols, J.D.; Gray, Rebecca; Tao, Chihiro; Murakami, G.; Yamazaki, A.; Badman, Sarah Victoria; Tsuchiya, F.; Yoshioka, Kazuo; Kita, H.; Grodent, D. C.; Clark, George; Yoshikawa, I.; Fujimoto, M.

In: Geophysical Research Letters, Vol. 44, No. 10, 28.05.2017, p. 4523-4531.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Kimura, T, Nichols, JD, Gray, R, Tao, C, Murakami, G, Yamazaki, A, Badman, SV, Tsuchiya, F, Yoshioka, K, Kita, H, Grodent, DC, Clark, G, Yoshikawa, I & Fujimoto, M 2017, 'Transient brightening of Jupiter's aurora observed by the Hisaki satellite and Hubble Space Telescope during approach phase of the Juno spacecraft', Geophysical Research Letters, vol. 44, no. 10, pp. 4523-4531. https://doi.org/10.1002/2017GL072912

APA

Kimura, T., Nichols, J. D., Gray, R., Tao, C., Murakami, G., Yamazaki, A., Badman, S. V., Tsuchiya, F., Yoshioka, K., Kita, H., Grodent, D. C., Clark, G., Yoshikawa, I., & Fujimoto, M. (2017). Transient brightening of Jupiter's aurora observed by the Hisaki satellite and Hubble Space Telescope during approach phase of the Juno spacecraft. Geophysical Research Letters, 44(10), 4523-4531. https://doi.org/10.1002/2017GL072912

Vancouver

Author

Kimura, Tomoki ; Nichols, J.D. ; Gray, Rebecca ; Tao, Chihiro ; Murakami, G. ; Yamazaki, A. ; Badman, Sarah Victoria ; Tsuchiya, F. ; Yoshioka, Kazuo ; Kita, H. ; Grodent, D. C. ; Clark, George ; Yoshikawa, I. ; Fujimoto, M. / Transient brightening of Jupiter's aurora observed by the Hisaki satellite and Hubble Space Telescope during approach phase of the Juno spacecraft. In: Geophysical Research Letters. 2017 ; Vol. 44, No. 10. pp. 4523-4531.

Bibtex

@article{3a35f4f4db5740bc84bd6f74a3216687,
title = "Transient brightening of Jupiter's aurora observed by the Hisaki satellite and Hubble Space Telescope during approach phase of the Juno spacecraft",
abstract = "In early 2014, continuous monitoring with the Hisaki satellite discovered transient auroral emission at Jupiter during a period when the solar wind was relatively quiet for a few days. Simultaneous imaging made by the Hubble Space Telescope (HST) suggested that the transient aurora is associated with a global magnetospheric disturbance that spans from the inner to outer magnetosphere. However, the temporal and spatial evolutions of the magnetospheric disturbance were not resolved because of the lack of continuous monitoring of the transient aurora simultaneously with the imaging. Here we report the coordinated observation of the aurora and plasma torus made by Hisaki and HST during the approach phase of the Juno spacecraft in mid-2016. On day 142, Hisaki detected a transient aurora with a maximum total H2 emission power of ~8.5 TW. The simultaneous HST imaging was indicative of a large “dawn storm,” which is associated with tail reconnection, at the onset of the transient aurora. The outer emission, which is associated with hot plasma injection in the inner magnetosphere, followed the dawn storm within less than two Jupiter rotations. The monitoring of the torus with Hisaki indicated that the hot plasma population increased in the torus during the transient aurora. These results imply that the magnetospheric disturbance is initiated via the tail reconnection and rapidly expands toward the inner magnetosphere, followed by the hot plasma injection reaching the plasma torus. This corresponds to the radially inward transport of the plasma and/or energy from the outer to the inner magnetosphere.",
author = "Tomoki Kimura and J.D. Nichols and Rebecca Gray and Chihiro Tao and G. Murakami and A. Yamazaki and Badman, {Sarah Victoria} and F. Tsuchiya and Kazuo Yoshioka and H. Kita and Grodent, {D. C.} and George Clark and I. Yoshikawa and M. Fujimoto",
note = "Accepted for publication in Geophysical Research Letters. Copyright 2017 American Geophysical Union. Further reproduction or electronic distribution is not permitted.",
year = "2017",
month = may,
day = "28",
doi = "10.1002/2017GL072912",
language = "English",
volume = "44",
pages = "4523--4531",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "10",

}

RIS

TY - JOUR

T1 - Transient brightening of Jupiter's aurora observed by the Hisaki satellite and Hubble Space Telescope during approach phase of the Juno spacecraft

AU - Kimura, Tomoki

AU - Nichols, J.D.

AU - Gray, Rebecca

AU - Tao, Chihiro

AU - Murakami, G.

AU - Yamazaki, A.

AU - Badman, Sarah Victoria

AU - Tsuchiya, F.

AU - Yoshioka, Kazuo

AU - Kita, H.

AU - Grodent, D. C.

AU - Clark, George

AU - Yoshikawa, I.

AU - Fujimoto, M.

N1 - Accepted for publication in Geophysical Research Letters. Copyright 2017 American Geophysical Union. Further reproduction or electronic distribution is not permitted.

PY - 2017/5/28

Y1 - 2017/5/28

N2 - In early 2014, continuous monitoring with the Hisaki satellite discovered transient auroral emission at Jupiter during a period when the solar wind was relatively quiet for a few days. Simultaneous imaging made by the Hubble Space Telescope (HST) suggested that the transient aurora is associated with a global magnetospheric disturbance that spans from the inner to outer magnetosphere. However, the temporal and spatial evolutions of the magnetospheric disturbance were not resolved because of the lack of continuous monitoring of the transient aurora simultaneously with the imaging. Here we report the coordinated observation of the aurora and plasma torus made by Hisaki and HST during the approach phase of the Juno spacecraft in mid-2016. On day 142, Hisaki detected a transient aurora with a maximum total H2 emission power of ~8.5 TW. The simultaneous HST imaging was indicative of a large “dawn storm,” which is associated with tail reconnection, at the onset of the transient aurora. The outer emission, which is associated with hot plasma injection in the inner magnetosphere, followed the dawn storm within less than two Jupiter rotations. The monitoring of the torus with Hisaki indicated that the hot plasma population increased in the torus during the transient aurora. These results imply that the magnetospheric disturbance is initiated via the tail reconnection and rapidly expands toward the inner magnetosphere, followed by the hot plasma injection reaching the plasma torus. This corresponds to the radially inward transport of the plasma and/or energy from the outer to the inner magnetosphere.

AB - In early 2014, continuous monitoring with the Hisaki satellite discovered transient auroral emission at Jupiter during a period when the solar wind was relatively quiet for a few days. Simultaneous imaging made by the Hubble Space Telescope (HST) suggested that the transient aurora is associated with a global magnetospheric disturbance that spans from the inner to outer magnetosphere. However, the temporal and spatial evolutions of the magnetospheric disturbance were not resolved because of the lack of continuous monitoring of the transient aurora simultaneously with the imaging. Here we report the coordinated observation of the aurora and plasma torus made by Hisaki and HST during the approach phase of the Juno spacecraft in mid-2016. On day 142, Hisaki detected a transient aurora with a maximum total H2 emission power of ~8.5 TW. The simultaneous HST imaging was indicative of a large “dawn storm,” which is associated with tail reconnection, at the onset of the transient aurora. The outer emission, which is associated with hot plasma injection in the inner magnetosphere, followed the dawn storm within less than two Jupiter rotations. The monitoring of the torus with Hisaki indicated that the hot plasma population increased in the torus during the transient aurora. These results imply that the magnetospheric disturbance is initiated via the tail reconnection and rapidly expands toward the inner magnetosphere, followed by the hot plasma injection reaching the plasma torus. This corresponds to the radially inward transport of the plasma and/or energy from the outer to the inner magnetosphere.

U2 - 10.1002/2017GL072912

DO - 10.1002/2017GL072912

M3 - Journal article

VL - 44

SP - 4523

EP - 4531

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 10

ER -