A Baseline Spectroscopic Study of the Infrared Auroras of Jupiter

Details A Baseline Spectroscopic Study of the Infrared Auroras of Jupiter A Baseline Spectroscopic Study of the Infrared Auroras of Jupiter

Jun 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997icar..127..379l&link_type=abstract

Icarus, Volume 127, Issue 2, pp. 379-393.

Computer Science

40

Scientific paper

We present the results of a spectroscopic study of the H^+_3 infrared emissions of Jupiter, obtained using the United Kingdom Infrared Telescope (UKIRT) on Mauna Kea, Hawaii, during May 3-5, 1993. Although we have obtained data from the whole of the planet, in this paper we concentrate on the auroral regions. Derived H^+_3 temperatures for these vary between 700 and 1000 K, and column densities are of the order of 10^12 cm^-2. There is a strong (anti-)correlation between these parameters, however, that requires the introduction of new variables to characterize the jovian auroras fully. The total H^+_3 auroral emission is presented as a function of central meridian longitude. A simple geometric model of this emission does not describe the data adequately. The integrated infrared auroral emission in each hemisphere is of the order of a few x 10^12 W, making it comparable to auroral output in the ultraviolet.

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