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Callisto: Disk Temperature at 3.71-Centimeter Wavelength

Berge, Glenn L. and Muhleman, Duane O. (1975) Callisto: Disk Temperature at 3.71-Centimeter Wavelength. Science, 187 (4175). pp. 441-443. ISSN 0036-8075.

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We observed the radio emission of Callisto with a three-element interferometer at the time of the 1973 opposition of Jupiter. Special care was taken to remove the residual, unresolved contribution from Jupiter itself in the antenna side lobes. The resulting disk temperature at a wavelength of 3.71 centimeters, assuming a radius of 2500±75 kilometers for Callisto, was 101°±25°K. This temperature is much more consistent with emission from a simple dielectric sphere than the considerably higher temperatures that have been reported for wavelengths of 3.5 and 8.2 millimeters.

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Additional Information:© 1975 American Association for the Advancement of Science. Received 9 September 1974. We thank J, Lieske for the ephemeris calculations, B. Schupler for help with the observations, W. Russell for assistance with the data reduction, and I. Pauliny-Toth et al. for communicating their results to us in advance of publication. This research was carried out under NASA grant NGR-005-002-114, Office of Naval Research contract N00014-67-A-0094-0019, and National Science Foundation grant GP30400-X.
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Office of Naval Research (ONR)N00014-67-A-0094-0019
Issue or Number:4175
Record Number:CaltechAUTHORS:20151109-142043082
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Official Citation:Callisto: Disk Temperature at 3.71-Centimeter Wavelength Glenn L. Berge and Duane O. Muhleman Science 7 February 1975: 187 (4175), 441-443. [DOI:10.1126/science.187.4175.441]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62000
Deposited By: Tony Diaz
Deposited On:09 Nov 2015 22:31
Last Modified:03 Oct 2019 09:14

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