Benzene on the Giant Planets

Details Benzene on the Giant Planets Benzene on the Giant Planets

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001icar..154..492b&link_type=abstract

Icarus, Volume 154, Issue 2, pp. 492-500 (2001).

Computer Science

24

Scientific paper

We report the detection of benzene (c-C6H6) in the upper atmospheres of Jupiter at midlatitudes and Saturn (disk average). Observations with the Short-Wavelength Spectrometer of the Infrared Space Observatory reveal emission from the Q-branch of benzene around 14.84 μm on these two planets but not on Uranus and Neptune. Column densities have been derived through radiative transfer calculations assuming various mixing ratio profiles. The inferred abundances are 9+4.5-7.5×1014 molecules cm-2 above the 50-mbar level on Jupiter and 4.7+2.1-1.1×1013 molecules cm-2 above the 10-mbar level on Saturn. Upper limits have been derived for Uranus and Neptune. Results are compared with existing chemical models. .

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