Acetylene and Ethane distributions in the Jovian stratosphere from Cassini CIRS observations

Details Acetylene and Ethane distributions in the Jovian stratosphere from Cassini CIRS observations Acetylene and Ethane distributions in the Jovian stratosphere from Cassini CIRS observations

Nov 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001dps....33.0306n&link_type=abstract

American Astronomical Society, DPS Meeting #33, #03.06; Bulletin of the American Astronomical Society, Vol. 33, p.1026

Astronomy and Astrophysics

Astronomy

Scientific paper

During the recent encounter of the Cassini spacecraft with Jupiter on 30th December 2000, the Composite Infrared Spectrometer (CIRS) was used to map the planet from pole to pole at a spectral resolution of 3 cm-1, from 10 to 1400 cm-1. This paper describes preliminary results from modelling of spectral data in the region 600--850 cm-1. This rich wavenumber range encompasses part of the S(1) hydrogen band, as well as features due to a variety of hydrocarbons (C2H2, C2H6, C6H6, C4H2, C3H4, CH3). The vertical temperature profile and abundances of gaseous species in the stratosphere were simultaneously retrieved. The paper will focus on the meridional variations of acetylene and ethane, with an emphasis on the enhancements seen in the polar auroral regions.

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