Five-color photoelectric photometry of asteroid 433 Eros |
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Authors: | E Miner J Young |
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Institution: | Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91103, USA |
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Abstract: | Five-color photoelectric lightcurves of asteroid 433 Eros were obtained on 9 nights during the 1974/75 apparition. Although color differences due to changing solar phase angle were detected, color differences during a single rotation of Eros are less than 1%. Amplitudes of up to 1m.44 were measured, and there are indications that three reversals in the relative depths of the two minima occured between late December 1974 and late January 1975. The absolute visual magnitude at primary maximum, corrected to zero phase and to one AU from Earth and Sun, is about V0(1,0) = 10m.8. |
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