A Baseline Spectroscopic Study of the Infrared Aurorae of Jupiter

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

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996dps....28.2222l&link_type=abstract

American Astronomical Society, DPS meeting #28, #22.22; Bulletin of the American Astronomical Society, Vol. 28, p.1145

Astronomy and Astrophysics

Astronomy

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, which requires the introduction of new variables in order to characterise the jovian aurorae 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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