Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976ap%26ss..41...57h&link_type=abstract
Astrophysics and Space Science, vol. 41, May 1976, p. 57-61.
Astronomy and Astrophysics
Astrophysics
3
Astronomical Photometry, Luminous Intensity, Planetary Radiation, Saturn Rings, Astronomical Photography, Asymmetry, Brightness, Telescopes
Scientific paper
The reported east-west asymmetry in the brightness of Saturn's rings is studied using photographs taken in 1974 and 1975 with a 16-in. telescope. The results for ring B show that no appreciable asymmetry existed during the period of observation. The present data are combined with previous photometric data to construct a sequence of measurements extending from 1913 to 1975. The behavior of the relative asymmetry of ring B over that 62-year period is analyzed. It is found that the east-west asymmetry is probably a real effect, consists of sporadic short-lived peaks, and is not correlated with Saturn's orbital period. Impacts of stray bodies are considered as a possible mechanism which would explain the sporadic nature of the phenomenon.
Hameen-Anttila K. A.
Itavuo H.
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