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Binary asteroid (31) Euphrosyne: ice-rich and nearly spherical

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Academic year: 2021

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Fig. 1. Composite light curve of (31) Euphrosyne obtained with the TRAPPIST-North telescope in 2017 and a Fourier series of fifth order is fitted to the data, shown as the solid line
Fig. 2. Comparison between the VLT/SPHERE/ZIMPOL deconvolved images of Euphrosyne (bottom) and the corresponding projections of our ADAM shape model (top)
Fig. 4. Processed ZIMPOL images, revealing the presence of the satellite, S/2019 (31) 1, around (31) Euphrosyne in five epochs
Fig. A.1. Full set of VLT/SPHERE/ZIMPOL images of (31) Euphrosyne. We show the images deconvolved by the Mistral algorithm
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