Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977icar...31..315l&link_type=abstract
Icarus, vol. 31, July 1977, p. 315-324.
Astronomy and Astrophysics
Astronomy
52
Far Infrared Radiation, Infrared Astronomy, Planetary Radiation, Submillimeter Waves, Ammonia, Brightness Temperature, Broadband, Gas Giant Planets, Terrestrial Planets
Scientific paper
Broadband observations in several passbands between 30 and 500 microns of Mercury, Venus, Mars, Jupiter, Saturn, and Uranus are presented. The best agreement between the data and various thermal models of Mars, Jupiter, and Uranus is obtained with a slightly cooler absolute temperature scale than that previously adopted by Armstrong et al. (1972). The effective temperature of Uranus is 58 + or - 2 K, which is in agreement with its solar equilibrium temperature. The existence of an internal energy source for Saturn has been reconfirmed; its output must lie within the range of 0.9 to 3.2 times the absorbed solar flux. A depression exists in the spectra of Jupiter, Saturn, and Uranus between 80 and 300 microns, which may be a result of NH3 opacity.
Harper Doyal A.
Hildebrand Roger H.
Loewenstein Robert F.
Moseley Samuel Harvey
Stiening Rae F.
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