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Sizes of main-belt asteroids by combining shape models and Keck adaptive optics observations

Hanuš, J.; Marchis, F.; Ďurech, J.

We select 50 main-belt asteroids with a diameter between 20 and 400 km for which we have (i) shape models derived by the lightcurve inversion method and (ii) resolved observations of good quality collected with the Keck II adaptive optics (AO) system in the near-infrared. We derive the size of these asteroids by minimizing the difference between t…