Juno observations of large-scale compressions of Jupiter's dawnside magnetopause

Daniel J. Gershman; Gina A. DiBraccio; John E.P. Connerney; George Hospodarsky; William S. Kurth; Robert W. Ebert; Jamey R. Szalay; Robert J. Wilson; Frederic Allegrini; Phil Valek; David J. McComas; Fran Bagenal; Steve Levin; Scott J. Bolton

doi:10.1002/2017GL073132

Juno observations of large-scale compressions of Jupiter's dawnside magnetopause

Daniel J. Gershman, Gina A. DiBraccio, John E.P. Connerney, George Hospodarsky, William S. Kurth, Robert W. Ebert, Jamey R. Szalay, Robert J. Wilson, Frederic Allegrini, Phil Valek, David J. McComas, Fran Bagenal, Steve Levin, Scott J. Bolton

Astrophysical Sciences

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

We investigate the structure of Jupiter's dawnside magnetopause using observations obtained by particle and fields instrumentation on the Juno spacecraft. Characterization of Jupiter's magnetopause is critical for the understanding of mass and energy transport between the solar wind and the magnetosphere. We find an extended magnetopause boundary layer (MPBL) during a magnetopause crossing on 14 July 2016. This thick MPBL, in combination with a large magnetic field component normal to the magnetopause boundary, suggests that strong magnetospheric compression enhances mass transport across the magnetopause via magnetic reconnection. We further identify ~2 h increases in the total magnetospheric pressure adjacent to the magnetopause on 14 July 2016 and 1 August 2016. These large-scale structures provide evidence of focused energy transport into the magnetosphere via magnetohydrodynamic structures.

Original language	English (US)
Pages (from-to)	7559-7568
Number of pages	10
Journal	Geophysical Research Letters
Volume	44
Issue number	15
DOIs	https://doi.org/10.1002/2017GL073132
State	Published - Aug 16 2017

All Science Journal Classification (ASJC) codes

Geophysics
General Earth and Planetary Sciences

Keywords

Jupiter magnetosphere
magnetopause
magnetopause boundary layer
magnetopause reconnection
magnetosonic wave
magnetosphere compression

Access to Document

10.1002/2017GL073132

Cite this

Gershman, D. J., DiBraccio, G. A., Connerney, J. E. P., Hospodarsky, G., Kurth, W. S., Ebert, R. W., Szalay, J. R., Wilson, R. J., Allegrini, F., Valek, P., McComas, D. J., Bagenal, F., Levin, S., & Bolton, S. J. (2017). Juno observations of large-scale compressions of Jupiter's dawnside magnetopause. Geophysical Research Letters, 44(15), 7559-7568. https://doi.org/10.1002/2017GL073132

@article{ded416e4353e41ddbb1090716d72b099,

title = "Juno observations of large-scale compressions of Jupiter's dawnside magnetopause",

abstract = "We investigate the structure of Jupiter's dawnside magnetopause using observations obtained by particle and fields instrumentation on the Juno spacecraft. Characterization of Jupiter's magnetopause is critical for the understanding of mass and energy transport between the solar wind and the magnetosphere. We find an extended magnetopause boundary layer (MPBL) during a magnetopause crossing on 14 July 2016. This thick MPBL, in combination with a large magnetic field component normal to the magnetopause boundary, suggests that strong magnetospheric compression enhances mass transport across the magnetopause via magnetic reconnection. We further identify ~2 h increases in the total magnetospheric pressure adjacent to the magnetopause on 14 July 2016 and 1 August 2016. These large-scale structures provide evidence of focused energy transport into the magnetosphere via magnetohydrodynamic structures.",

keywords = "Jupiter magnetosphere, magnetopause, magnetopause boundary layer, magnetopause reconnection, magnetosonic wave, magnetosphere compression",

author = "Gershman, {Daniel J.} and DiBraccio, {Gina A.} and Connerney, {John E.P.} and George Hospodarsky and Kurth, {William S.} and Ebert, {Robert W.} and Szalay, {Jamey R.} and Wilson, {Robert J.} and Frederic Allegrini and Phil Valek and McComas, {David J.} and Fran Bagenal and Steve Levin and Bolton, {Scott J.}",

year = "2017",

month = aug,

day = "16",

doi = "10.1002/2017GL073132",

language = "English (US)",

volume = "44",

pages = "7559--7568",

journal = "Geophysical Research Letters",

issn = "0094-8276",

publisher = "American Geophysical Union",

number = "15",

}

TY - JOUR

T1 - Juno observations of large-scale compressions of Jupiter's dawnside magnetopause

AU - Gershman, Daniel J.

AU - DiBraccio, Gina A.

AU - Connerney, John E.P.

AU - Hospodarsky, George

AU - Kurth, William S.

AU - Ebert, Robert W.

AU - Szalay, Jamey R.

AU - Wilson, Robert J.

AU - Allegrini, Frederic

AU - Valek, Phil

AU - McComas, David J.

AU - Bagenal, Fran

AU - Levin, Steve

AU - Bolton, Scott J.

PY - 2017/8/16

Y1 - 2017/8/16

N2 - We investigate the structure of Jupiter's dawnside magnetopause using observations obtained by particle and fields instrumentation on the Juno spacecraft. Characterization of Jupiter's magnetopause is critical for the understanding of mass and energy transport between the solar wind and the magnetosphere. We find an extended magnetopause boundary layer (MPBL) during a magnetopause crossing on 14 July 2016. This thick MPBL, in combination with a large magnetic field component normal to the magnetopause boundary, suggests that strong magnetospheric compression enhances mass transport across the magnetopause via magnetic reconnection. We further identify ~2 h increases in the total magnetospheric pressure adjacent to the magnetopause on 14 July 2016 and 1 August 2016. These large-scale structures provide evidence of focused energy transport into the magnetosphere via magnetohydrodynamic structures.

AB - We investigate the structure of Jupiter's dawnside magnetopause using observations obtained by particle and fields instrumentation on the Juno spacecraft. Characterization of Jupiter's magnetopause is critical for the understanding of mass and energy transport between the solar wind and the magnetosphere. We find an extended magnetopause boundary layer (MPBL) during a magnetopause crossing on 14 July 2016. This thick MPBL, in combination with a large magnetic field component normal to the magnetopause boundary, suggests that strong magnetospheric compression enhances mass transport across the magnetopause via magnetic reconnection. We further identify ~2 h increases in the total magnetospheric pressure adjacent to the magnetopause on 14 July 2016 and 1 August 2016. These large-scale structures provide evidence of focused energy transport into the magnetosphere via magnetohydrodynamic structures.

KW - Jupiter magnetosphere

KW - magnetopause

KW - magnetopause boundary layer

KW - magnetopause reconnection

KW - magnetosonic wave

KW - magnetosphere compression

UR - http://www.scopus.com/inward/record.url?scp=85026477620&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85026477620&partnerID=8YFLogxK

U2 - 10.1002/2017GL073132

DO - 10.1002/2017GL073132

M3 - Article

AN - SCOPUS:85026477620

SN - 0094-8276

VL - 44

SP - 7559

EP - 7568

JO - Geophysical Research Letters

JF - Geophysical Research Letters

IS - 15

ER -

Juno observations of large-scale compressions of Jupiter's dawnside magnetopause

Abstract

All Science Journal Classification (ASJC) codes

Keywords

Access to Document

Other files and links

Fingerprint

Cite this