Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-10-16
Astronomy and Astrophysics
Astrophysics
12 pages, 8 figures. Latex, uses elsart.cls (included). Higher resolution figures in original article. Planetary and Space Sci
Scientific paper
10.1016/j.pss.2008.07.014
We present submillimeter observations of 12CO J=3-2 and J=2-1, and 13CO J = 2-1 lines of the Venusian mesosphere and lower thermosphere with the Heinrich Hertz Submillimeter Telescope (HHSMT) taken around the second MESSENGER flyby of Venus on 5 June 2007. The observations cover a range of Venus solar elongations with different fractional disk illuminations. Preliminary results like temperature and CO abundance profiles are presented.These data are part of a coordinated observational campaign in support of the ESA Venus Express mission. Furthermore, this study attempts to contribute to cross-calibrate space- and ground-based observations, to constrain radiative transfer and retrieval algorithms for planetary atmospheres, and to a more thorough understanding of the global patters of circulation of the Venusian atmosphere.
Hartogh Paul
Jarchow Ch.
Rengel Miriam
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