A low resolution map of Europa from four occultations by Io |
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| Authors: | James R. Vermilion Roger N. Clark Thomas F. Greene Jon F. Seamans William F. Yantis |
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| Affiliation: | 1. University of Washington, Seattle, Washington 98195, USA;2. Boeing Aerospace Co., Seattle, Washington 98124, USA |
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| Abstract: | Analysis of three occultations of JII (Europa) by JI (Io) has resulted in a preliminary reflectivity map of JII for the hemisphere centered on longitude 324°, a measurement of 1483±20 km for the radius of JII, estimates of the event impact parameters, determination of the mid event times, and a visual geometric albedo, pν = 0.74, for JII. A fourth occultation light curve was used after derivation of the results to confirm their validity. |
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| Keywords: | Address all correspondence to Dr. Thomas F. Greene University of Washington c/o 7550 NE 28th Place Bellevue Washington 98004 USA. |
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