Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976pazh....2..405b&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 2, Aug. 1976, p. 405-409.) Soviet Astronomy Letters, vol. 2, July-Aug. 1976, p. 157-159
Astronomy and Astrophysics
Astronomy
4
Brightness Temperature, Galilean Satellites, Radio Astronomy, Callisto, Europa, Ganymede, Radio Spectra, Radio Telescopes
Scientific paper
Europa, Ganymede, and Callisto have been observed with the RATAN-600 radio telescope at wavelengths of 2.08 and 3.95 cm. The techniques and results are described. A sensitivity better than 10 to the -29th power W/sq m per Hz can be achieved by the 'glide' method. Callisto has a brightness temperature of 180 plus or minus 30 K at both wavelengths; Ganymede, 165 K plus or minus 30 K at 3.9 cm. Radio emission from Europa has been detected; its brightness temperature at 3.9 cm is 190 plus or minus 40 K. All three satellites have a temperature above the equilibrium value.
Berlin A. B.
Esepkina Nelli A.
Ipatov A. V.
Kaidanovskii N. L.
Kopylov Alexander I.
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