Ingersoll, A. P. and Münch, G. and Neugebauer, G. and Orton, G. S. (1976) Results of the infrared radiometer experiment on Pioneers 10 and 11. In: Jupiter: studies of the interior, atmosphere, magnetosphere, and satellites. University of Arizona Press , Tucson, AZ, pp. 197-205. ISBN 9780816505302 http://resolver.caltech.edu/CaltechAUTHORS:20121204-143806753
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The infrared radiometers on the Pioneer 10 and 11 spacecraft have mapped Jupiter in two broad spectral channels centered at wavelengths of 20 and 45 µm. Comparison of Pioneer 10 and 11 data and the results of in-flight and laboratory calibrations indicate an absolute accuracy of ± 8% in the measured intensities. Relative accuracy, for comparing different regions on the planet, is ± 2%. Within the precision of observations, the derived value of effective temperature is independent of assumptions about the Jovian emission spectrum. The global effective temperature is 125 ± 3°K, implying a value of 1.9 ± 0.2 for the ratio of planetary thermal emission to solar energy absorbed. The effective temperatures of belts are greater than those of zones by as much as 3°.5 K. On a global scale, the poles and equator have the same effective temperature.
|Item Type:||Book Section|
|Additional Information:||© 1976 University of Arizona Press. We thank the members of the Pioneer Project for their cooperation and support. We also thank J. Bennett, S. C. Chase. and B. Schupler for their advice and assistance.|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||05 Dec 2012 22:50|
|Last Modified:||23 Aug 2016 10:22|
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