Speckle interfero. nearby multiple stars. II

Long-term monitoring at the 6m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences made it possible to improve the orbits of 15 objects...依托俄罗斯科学院特殊天体物理天文台6米口径望远镜开展的长期监测工作，使得15个天体的轨道参数得以优化。