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Images of Jupiter from the Pioneer 10 and Pioneer 11 Infrared Radiometers: A Comparison with Visible and 5-μm Images

Orton, Glenn S. and Ingersoll, Andrew P. and Terrile, Richard J. (1981) Images of Jupiter from the Pioneer 10 and Pioneer 11 Infrared Radiometers: A Comparison with Visible and 5-μm Images. Icarus, 47 (2). pp. 145-158. ISSN 0019-1035. http://resolver.caltech.edu/CaltechAUTHORS:20121205-135923386

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Abstract

All of the data acquired at Jupiter by the Infrared Radiometers on board Pioneers 10 and 11 are presented in the form of images with geometric control. The images are compared with 5-μm and visible images taken in the same time frame. The association of dark (blue or brown) and light (white or red) areas with warm and cool areas (at 5, 20, and 45 μm) respectively, extends to nearly all features observed on the planet. Where the normal association of light and dark visible markings with the zonal velocity breaks down (e.g., at the latitude of the South Equatorial Belt during the Pioneer encounters), the infrared emission seems to follow the visible cloud structure rather than the zonal velocity structure. Exceptions to the general rule involve 20-μm radiation, which reflects conditions in the altitude range 0.1–0.3 bar. For example, a comparison between Pioneer 10 and 11 images suggests that the South Equatorial Belt became brighter at 20 μm, but remained constant at other wavelengths between the two encounters.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/0019-1035(81)90162-7DOIUNSPECIFIED
http://www.sciencedirect.com/science/article/pii/0019103581901627PublisherUNSPECIFIED
Additional Information:© 1981 by Academic Press. Inc. Received March 2, 1981; revised July 6, 1981. We wish to thank Dr. L. Doose (University of Arizona) for kindly supplying us with IPP data with geometric control in the form of both images and scans. We also thank Dr. R. Beebe (New Mexico State University), Dr. D. Diner (Jet Propulsion Laboratory), and Dr. M. Flasar (Goddard Space Flight Center) for their cooperation and assistance. This is JPL Atmospheres Publications No. 980-16 (internal number) and represents, in part, one phase of research carried out at the Jet Propulsion Laboratory, California Institute of Technology under Contract NAS 7-100, sponsored by the Planetary Atmospheres Program Office, Office of Space Science, National Aeronautics and Space Administration.
Funders:
Funding AgencyGrant Number
NASA/JPL/CaltechNAS 7-100
Planetary Atmospheres Program Office, Office of Space ScienceUNSPECIFIED
NASAUNSPECIFIED
Other Numbering System:
Other Numbering System NameOther Numbering System ID
JPL Atmospheres Publications 980-16
Record Number:CaltechAUTHORS:20121205-135923386
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20121205-135923386
Official Citation:Glenn S. Orton, Andrew P. Ingersoll, Richard J. Terrile, Stephen R. Walton, Images of Jupiter from the pioneer 10 and pioneer 11 infrared radiometers: A comparison with visible and 5-μm images, Icarus, Volume 47, Issue 2, August 1981, Pages 145-158, ISSN 0019-1035, 10.1016/0019-1035(81)90162-7. (http://www.sciencedirect.com/science/article/pii/0019103581901627)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:35833
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:05 Dec 2012 22:45
Last Modified:05 Dec 2012 22:45

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