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http://hdl.handle.net/20.500.12386/27458
Title: | Jovian aurora from Juno perijove passes: comparison of ultraviolet and infrared images | Authors: | Gérard, J. -C. Bonfond, B. ADRIANI, Alberto Gladstone, G. R. MURA, Alessandro Grodent, D. Versteeg, M. H. Greathouse, T. K. Hue, V. ALTIERI, FRANCESCA Dinelli, B. M. Moriconi, M. L. MIGLIORINI, Alessandra Radioti, A. Bolton, S. J. Connerney, J. E. P. Levin, S. M. Fabiano, F. |
Issue Date: | 2017 | Volume: | European Planetary Science Congress 2017 | Abstract: | 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.... | Conference Name: | European Planetary Science Congress 2017 | Conference Place: | Riga, Lettonia | Conference Date: | 17–22 September, 2017 | URI: | http://hdl.handle.net/20.500.12386/27458 | URL: | https://www.epsc2017.eu/information/general_information.html | Fulltext: | open |
Appears in Collections: | 3.02 Abstract in Atti di convegno |
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EPSC2017-1004.pdf | Pdf editoriale | 89.34 kB | Adobe PDF | View/Open |
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