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Title: Speckle interferometry at SOAR in 2012 and 2013

We report the results of speckle runs at the 4.1 m Southern Astronomical Research telescope in 2012 and 2013. A total of 586 objects were observed. We give 699 measurements of 487 resolved binaries and upper detection limits for 112 unresolved stars. Eleven pairs (including one triple) were resolved for the first time. Orbital elements have been determined for the first time for 13 pairs; orbits of another 45 binaries are revised or updated.
Authors:
 [1] ; ;  [2]
  1. Cerro Tololo Inter-American Observatory, Casilla 603, La Serena (Chile)
  2. U.S. Naval Observatory, 3450 Massachusetts Avenue, Washington, DC (United States)
Publication Date:
OSTI Identifier:
22340249
Resource Type:
Journal Article
Resource Relation:
Journal Name: Astronomical Journal (New York, N.Y. Online); Journal Volume: 147; Journal Issue: 5; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; BINARY STARS; INTERFEROMETRY; ORBITS; SENSITIVITY; TELESCOPES