Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984avest..17..153k&link_type=abstract
(Astronomicheskii Vestnik, vol. 17, July-Sept. 1983, p. 153-159) Solar System Research (ISSN 0038-0946), vol. 17, no. 3, Jan. 19
Astronomy and Astrophysics
Astronomy
Mars (Planet), Millimeter Waves, Planetary Radiation, Radio Astronomy, Radio Emission, Brightness, Harmonic Functions, Microwave Radiometers
Scientific paper
Mars radio emission at an 8 mm wavelength measured with a 22 m radio telescope between 1969 and 1977 at the Institute of Physics of the Academy of Sciences, Moscow, is analyzed. Two regions of enhanced radio brightness were identified. Higher radio brightness coincided with the Tarsis and Iapygia, and lower radio brightness coincided with the Amazon plain and Sinus Meridiani; these findings concurred with earlier measurements at a 2.8 cm wavelength with the 46 m telescope at the Algonquin Radio Observatory in Canada. The relative distance in the thermal inertia between the mountainous regions and the plains was estimated at 20 percent and a global thermal asymmetry between the northern and southern hemispheres was indicated by the greater magnitude of brightness temperature variations at 0.8 cm than at 2.8 cm.
Kuz'min S. O.
Losovskii Ia. B.
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