Speckle interferometry at SOAR telescope in 2023 Virtual Observatory Resource

Authors

1. Tokovinin A.
2. Mason B.D.
3. Mendez R.A.
4. Costa E.

Published by

CDS

Abstract

Results of the speckle-interferometry observations at the 4.1m Southern Astrophysical Research Telescope obtained during 2023 are presented: 1913 measurements of 1533 resolved pairs or subsystems (median separation 0.16") and nonresolutions of 552 targets; 42 pairs are resolved here for the first time. This work continues our long-term effort to monitor orbital motion in close binaries and hierarchical systems. A large number (147) of orbits have been determined for the first time or updated using these measurements. Complementarity of this program with the Gaia mission is highlighted.

Keywords

1. interferometry
2. multiple-stars
3. infrared-astronomy
4. visible-astronomy

Bibliographic source Bibcode

2024AJ....168...28T

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