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Infrared photometric mapping of Venus through the 8- to 14-micron atmospheric window

Murray, Bruce C. and Wildey, Robert L. and Westphal, James A. (1963) Infrared photometric mapping of Venus through the 8- to 14-micron atmospheric window. Journal of Geophysical Research, 68 (16). pp. 4813-4818. ISSN 0148-0227. doi:10.1029/JZ068i016p04813.

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The 200-inch Hale telescope has been used to obtain high-resolution maps, on four mornings juxtaposed about the Mariner 2 encounter, of the brightness temperature of Venus in the 8- to 14-micron wavelength interval. The resolution was about 1/30 of the disk of Venus. The signal-to-noise ratio was in excess of 100. The maps reveal (1) a general limb darkening, (2) a bilateral symmetry about the planet's orbital plane, (3) a very slight wedging of the contours as the only day-to-night effect, and (4) a transient temperature anomaly in the southern hemisphere.

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Additional Information:Copyright 1963 by the American Geophysical Union. (Manuscript received May 23, 1963.) We have indeed been fortunate to be able to use the 200-inch telescope for these observations, and we wish to express our gratitude to the Mount Wilson and Palomar observatories. Financial support for this research has been made available through grant NsG 56-60 of the National Aeronautics and Space Administration and grant G-25210 of the National Science Foundation. Contribution 1172 of the Division of Geological Sciences of the California Institute of Technology, Pasadena, California.
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NASANsG 56-60
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Caltech Division of Geological Sciences1172
Issue or Number:16
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Official Citation:Murray, B. C., R. L. Wildey, and J. A. Westphal (1963), Infrared photometric mapping of Venus through the 8- to 14-micron atmospheric window, J. Geophys. Res., 68(16), 4813–4818, doi:10.1029/JZ068i016p04813.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:51460
Deposited By: George Porter
Deposited On:07 Nov 2014 22:45
Last Modified:10 Nov 2021 19:11

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