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    • Tokovinin, Andrei; Mason, Brian D.; Méndez Bussard, René A.; Costa Hechenleitner, Edgardo; Horch, Elliott P. (IOP Publishing, 2020)
      The results of speckle-interferometric observations at the 4.1 m Southern Astrophysical Research Telescope in 2019 are given, totaling 2555 measurements of 1972 resolved pairs with separations from 15 mas (median 021) and ...