Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pazh....8..404m&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 8, July 1982, p. 404-410) Soviet Astronomy Letters (ISSN 0360-0327), vol. 8, July-Aug.
Astronomy and Astrophysics
Astronomy
3
Angular Distribution, Astronomical Spectroscopy, Satellite-Borne Instruments, Solar Spectra, Spectrophotometry, Venus Atmosphere, Abundance, Atmospheric Composition, Planetology, Radiant Flux Density, Spectral Bands, Ultraviolet Absorption, Ultraviolet Radiation, Venera Satellites, Water
Scientific paper
Spectrophotometers aboard the Venera 13 and Venera 14 landers recorded spectra of the solar radiation in the 0.45-1.2 micron wavelength range arriving along six different directions at all heights from 62 km down to the surface. The intensity of the 0.7-1 micron wavelength H2O bands yields water vapor abundances ranging from 10-20 ppm near the surface to an order of magnitude greater at H approximately 40 km. The H2O mixing-ratio profile, with its peak between 40 and 60 km, is in rough agreement with Venera 13 and 14 H2O abundance measurements obtained by other methods. A photometer with a 0.37 micron wavelength filter has furnished profiles for the ultraviolet-radiation intensity, indicating that 90 percent of the sunlight in this range is absorbed by clouds above the 58-km level.
Ekonomov A. P.
Gnedykh V. I.
Golovin Yu. M.
Grigorev A. V.
Moroz Vasiliy Ivanovich
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