Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...226..347s&link_type=abstract
Astrophysical Journal, Part 1, vol. 226, Nov. 15, 1978, p. 347-349.
Astronomy and Astrophysics
Astronomy
11
Ceres Asteroid, Far Infrared Radiation, Infrared Astronomy, Neptune Atmosphere, Planetary Temperature, Uranus Atmosphere, Albedo, Astronomical Photometry, Balloon-Borne Instruments, Emission Spectra, Saturn (Planet), Venus (Planet), Photometry, Uranus, Neptune, Ceres, Venus, Mars, Saturn, Temperatures, Heat Sources, Wavelengths, Brightness, Telescopic Observations, Infrared, Flux, Emissions, Spectrum, Jovian Planets, Asteroids
Scientific paper
During a single flight of our 102 cm balloon-borne telescope and 40-250 micron photometer we observed Uranus, Neptune, Ceres, Venus, Mars, and Saturn. Effective temperatures for Uranus (58.5 plus or minus 2 K) and Neptune (59.7 plus or minus 4 K) were determined, thus confirming the absence of a substantial internal heat source for Uranus and the presence of one for Neptune. Ceres has a brightness temperature of 195 plus or minus 12 K at an effective wavelength of 60 microns.
Stier Mark T.
Traub Wesley A.
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