Astronomy and Astrophysics – Astronomy
Scientific paper
May 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977icar...31...11d&link_type=abstract
Icarus, vol. 31, May 1977, p. 11-24.
Astronomy and Astrophysics
Astronomy
2
Astronomical Spectroscopy, Atmospheric Pressure, Atmospheric Temperature, Infrared Spectroscopy, Venus Atmosphere, Abundance, Atmospheric Models, Carbon Dioxide, Carbon Monoxide, Coriolis Effect, High Resolution, Voigt Effect
Scientific paper
Twenty-one bands of CO2 and the 2-0 band of CO were analyzed for best temperature and pressure fits from Venus spectra obtained with the 'Connes' interferometer at the Steward Observatory 2.25-m telescope during the spring of 1971. An average temperature of 241 plus or minus 7 K, an effective pressure of 0.12 plus or minus 0.06 atm, and an average two-way transmission abundance of 3 km-amagat were determined. No difference in temperature or pressure between hot bands, a double hot band, and regular bands was found. The results indicate that, most likely, spectroscopic line formation occurs in a relatively clear space above a scattering cloud layer with a reasonably well-defined upper boundary.
Dierenfeldt Karl E.
Fink Uwe
Larson Harold P.
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