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Ultraviolet Photometer Observations of the Saturnian System | | D L Judge
; F-M Wu
; R W Carlson
; | | Date: |
25 Jan 1980 | | Journal: | Science, 207 (4429), 431-434 | | Abstract: | Several interesting cloud and atmospheric features of the Saturn system have been observed by the long-wavelength channel of the two-channel ultraviolet photometer aboard the Pioneer Saturn spacecraft. Reported are observations of the most obvious features, including a Titan-associated cloud, a ring cloud, and the variation of atmospheric emission across Saturn’s disk. The long-wavelength data for Titan suggest that a cloud of atomic hydrogen extends at least 5 Saturn radii along its orbit and about 1.5 Saturn radii vertically. A ring cloud, thought to be atomic hydrogen, has also been observed by the long-wavelength channel of the photometer; it shows significant enhancement in the vicinity of the B ring. Finally, spatially resolved observations of Saturn’s disk show significant latitudinal variation. Possible explanations of the variation include aurora or limb brightening. | | Source: | PubMed, pmid17833554 doi: 10.1126/science.207.4429.431 | | Services: | Forum | Review | Favorites | |
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