Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981avest..14..199v&link_type=abstract
(Astronomicheskii Vestnik, vol. 14, Oct.-Dec. 1980, p. 199-201.) Solar System Research, vol. 14, no. 4, Apr. 1981, p. 157-159. T
Astronomy and Astrophysics
Astronomy
Albedo, Mars Atmosphere, Planetary Radiation, Brightness, Cosmic Dust, Electrophotometry, Error Analysis, Polar Caps, Ultraviolet Radiation
Scientific paper
Measurements of the spectral dependence of the apparent albedo of the Martian disk in September and October, 1977, are reported. Observations of the integral brightness of the planet were performed using an electrophotometer at the Cassegrain focus of a 60-cm reflector in 11 spectral bands covering the wavelength region 0.376-0.830 microns. Analysis of the dependence of the apparent albedo of the Martian disk on the longitude of the Martian central meridian indicates the absence of significant amounts of global atmospheric dust, and reveals the shape of the longitudinal dependence to be approximately the same for aerographic declinations of 10 and 23 deg. A particularly strong dependence of UV brightness on central meridian longitude is explained by the absence of one of the polar caps.
Klimenko V. M.
Morozhenko A. V.
Vidmachenko Anatolij P.
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