High-dispersion spectroscopic observations of Venus near superior conjunction. I - The carbon dioxide band at 7820 A

Details High-dispersion spectroscopic observations of Venus near superior conjunction. I - The carbon dioxide band at 7820 A High-dispersion spectroscopic observations of Venus near superior conjunction. I - The carbon dioxide band at 7820 A

Mar 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977icar...30..559y&link_type=abstract

Icarus, vol. 30, Mar. 1977, p. 559-565.

Physics

1

Carbon Dioxide, Molecular Spectra, Spectral Bands, Venus Atmosphere, Curve Fitting, Infrared Spectra, Molecular Rotation, Spectral Line Width, Tables (Data)

Scientific paper

Nine plates of the 7820-A CO2 band were taken in 1971. A curve-of-growth analysis of the CO2 lines indicates a rotational temperature of 241 + or - 2 K, with an average slope to the curve of growth of 0.60 + or - 0.03. The Venus phase angle ranged from 7.2 to 10.7 deg. The equivalent widths of the 1971 data fall on a smooth curve fit through the 1969 data for this band; there does not appear to be any discontinuity in the phase curve at small phase angles.

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