Photometry of Dione,Tethys, and Enceladus on the UBV system |
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| Authors: | OG Franz RL Millis |
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| Institution: | Lowell Observatory, Flagstaff, Arizona 86001, USA |
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| Abstract: | UBV measurements of Dione, Tethys, and Enceladus were made with an area-scanning photometer on several nights during the 1972/1973 and 1973/1974 apparitions of Saturn. The observed brightness variations have been separated into two components—one a function of orbital position, the other a function of solar phase angle. Dione and Tethys are brightest near greatest eastern elongation and faintest near greatest western elongation. The reverse is true of Enceladus. Opposition surges are observed for Dione and Tethys. |
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