AFCRL bibliography for the third quarter of 1971 |
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| Authors: | RL Millis |
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| Institution: | Lowell Observatory, Flagstaff, Arizona 86001, USA |
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| Abstract: | UBV observations of Iapetus on 34 nights have revealed a 0.30-mag difference in the depths of two successive minima in the light curve of this satellite. The difference can be explained by a two-hemisphere model with the leading darker hemisphere having a much stronger variation in brightness with solar phase angle than the trailing brighter hemisphere. Aside from the variation in the depths of the minima, the general character of the light and color curves is similar to that reported by earlier investigators. |
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