Unpublished conference/Abstract (Scientific congresses and symposiums)
Jovian aurora from Juno perijove passes: comparison of ultraviolet and infrared images
Gérard, Jean-Claude; Bonfond, Bertrand; Adriani, A. et al.
2017European Planetary Science Congress 2017
 

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Keywords :
Jupiter; Juno; aurora
Abstract :
[en] The electromagnetic radiation emitted by the Jovian aurora extends from the X-Rays presumably caused by heavy ion precipitation and electron bremsstrahlung to thermal infrared radiation resulting from enhanced heating by high-energy charged particles. Many observations have been made since the 1990s with the Hubble Space Telescope, which was able to image the H2 Lyman and Werner bands that are directly excited by collisions of auroral electrons with H2. Ground-based telescopes obtained spectra and images of the thermal H3+ emission produced by charge transfer between H2+ and H+ ions and neutral H2 molecules in the lower thermosphere. However, so far the geometry of the observations limited the coverage from Earth orbit and only one case of simultaneous UV and infrared emissions has been described in the literature. The Juno mission provides the unique advantage to observe both Jovian hemispheres simultaneously in the two wavelength regions simultaneously and offers a more global coverage with unprecedented spatial resolution. This was the case.
Research center :
STAR - Space sciences, Technologies and Astrophysics Research - ULiège
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Gérard, Jean-Claude  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Bonfond, Bertrand  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Adriani, A.;  Istituto di Astrofisica e Planetologia Spaziali, INAF, Roma, Italy
Gladstone, G. R.;  Southwest Research Institute, San Antonio, TX, United States
Mura, A.;  Istituto di Astrofisica e Planetologia Spaziali, INAF, Roma, Italy
Grodent, Denis  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Versteeg, M. H.;  Southwest Research Institute, San Antonio, TX, United States
Greathouse, T. K.;  Southwest Research Institute, San Antonio, TX, United States
Hue, V.;  Southwest Research Institute, San Antonio, TX, United States
Altieri, F.;  Istituto di Astrofisica e Planetologia Spaziali, INAF, Roma, Italy
Dinelli, B. M.;  Istituto di Scienze dell'Atmosfera e del Clima, CNR, Bologna and Roma, Italy
Moriconi, M. L.;  Istituto di Scienze dell'Atmosfera e del Clima, CNR, Bologna and Roma, Italy
Migliorini, A.;  Istituto di Astrofisica e Planetologia Spaziali, INAF, Roma, Italy
Radioti, Aikaterini ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Bolton, S. J.;  Southwest Research Institute, San Antonio, TX, United States
Connerney, J. E. P.;  NASA/GSFC, Greenbelt, MD, United States
Levin, S. M.;  Jet Propulsion Laboratory, Pasadena, CA, United States
Fabiano, F.;  Dipartimento di Fisica e Astronomia, Università di Bologna, Italy)
More authors (8 more) Less
Language :
English
Title :
Jovian aurora from Juno perijove passes: comparison of ultraviolet and infrared images
Publication date :
01 September 2017
Event name :
European Planetary Science Congress 2017
Event organizer :
Europlanet
Event place :
Riga, Latvia
Event date :
17-22 September, 2017
Audience :
International
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
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since 20 December 2017

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