Ion Density Profiles of Jupiter's Upper Atmosphere

Details Ion Density Profiles of Jupiter's Upper Atmosphere Ion Density Profiles of Jupiter's Upper Atmosphere

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.1915l&link_type=abstract

American Astronomical Society, DPS meeting #39, #19.15; Bulletin of the American Astronomical Society, Vol. 39, p.446

Astronomy and Astrophysics

Astronomy

Scientific paper

The Jovian upper atmosphere is the interface between Jupiter and its magnetosphere and is the locus of large energy inputs (several hundred terawatts) and of dynamic and variable electromagnetic coupling. However, despite decades of study, fundamental characteristics about the Jovian upper atmosphere are not well understood, such as the ion composition of the ionosphere. In an attempt to remedy this lack of understanding regarding the ion composition, we present H3+ ion density profiles that extend several thousand kilometers above the planet's 1 bar pressure level. These profiles were calculated from infrared emission spectra recently obtained from high-resolution spectroscopic ground-based observations. We compare these measured profiles with current models and discuss the LTE and non-LTE effects.

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