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journal article Open Access Mar 28, 2018

A New Model of Jupiter's Magnetic Field From Juno's First Nine Orbits

J. E. P. Connerney ORCID S. Kotsiaros ORCID R. J. Oliversen ORCID J. R. Espley ORCID J. L. Joergensen ORCID P. S. Joergensen ORCID J. M. G. Merayo ORCID M. Herceg ORCID J. Bloxham ORCID K. M. Moore ORCID S. J. Bolton S. M. Levin ORCID
Geophysical Research Letters Vol. 45 No. 6 pp. 2590-2596 · American Geophysical Union (AGU)
View at Publisher Save 10.1002/2018gl077312
Abstract
AbstractA spherical harmonic model of the magnetic field of Jupiter is obtained from vector magnetic field observations acquired by the Juno spacecraft during its first nine polar orbits about the planet. Observations acquired during eight of these orbits provide the first truly global coverage of Jupiter's magnetic field with a coarse longitudinal separation of ~45° between perijoves. The magnetic field is represented with a degree 20 spherical harmonic model for the planetary (“internal”) field, combined with a simple model of the magnetodisc for the field (“external”) due to distributed magnetospheric currents. Partial solution of the underdetermined inverse problem using generalized inverse techniques yields a model (“Juno Reference Model through Perijove 9”) of the planetary magnetic field with spherical harmonic coefficients well determined through degree and order 10, providing the first detailed view of a planetary dynamo beyond Earth.
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References
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Metrics
297
Citations
26
References
Details
Published
Mar 28, 2018
Vol/Issue
45(6)
Pages
2590-2596
License
View
Authors
J
J. E. P. Connerney

NASA Goddard Space Flight Center Greenbelt MD USA; Space Research Corporation Annapolis MD USA

S
S. Kotsiaros

NASA Goddard Space Flight Center Greenbelt MD USA; University of Maryland College Park MD USA

R
R. J. Oliversen

NASA Goddard Space Flight Center Greenbelt MD USA

J
J. R. Espley

NASA Goddard Space Flight Center Greenbelt MD USA

J
J. L. Joergensen

Technical University of Denmark (DTU) Kongens Lyngby Denmark

P
P. S. Joergensen

Technical University of Denmark (DTU) Kongens Lyngby Denmark

J
J. M. G. Merayo

Technical University of Denmark (DTU) Kongens Lyngby Denmark

M
M. Herceg

Technical University of Denmark (DTU) Kongens Lyngby Denmark

J
J. Bloxham

Harvard University Cambridge MA USA

K
K. M. Moore

Harvard University Cambridge MA USA

S
S. J. Bolton

Southwest Research Institute San Antonio TX USA

S
S. M. Levin

Jet Propulsion Laboratory Pasadena CA USA

Funding
National Aeronautics and Space Administration Award: NNM06AAa75c
Cite This Article
J. E. P. Connerney, S. Kotsiaros, R. J. Oliversen, et al. (2018). A New Model of Jupiter's Magnetic Field From Juno's First Nine Orbits. Geophysical Research Letters, 45(6), 2590-2596. https://doi.org/10.1002/2018gl077312
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