Speckle Interferometry at SOAR Telescope in 2023

被引：2

作者：

Tokovinin, Andrei ^{[1
]}

Mason, Brian D. ^{[2
]}

Mendez, Rene A. ^{[3
]}

Costa, Edgardo ^{[3
]}

机构：

[1] Cerro Tololo Interamer Observ, NFSs NOIRLab, Casilla 603, La Serena, Chile

[2] US Naval Observ, 3450 Massachusetts Ave, Washington, DC USA

[3] Univ Chile, Casilla 36-D, Santiago, Chile

来源：

ASTRONOMICAL JOURNAL | 2024年 / 168卷 / 01期

关键词：

SPECTROSCOPIC BINARY ORBITS; STAR CD-ROM; SYSTEMS; GAIA; II; COMPANIONS; SUBSYSTEMS;

D O I：

10.3847/1538-3881/ad4d56

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Results of the speckle-interferometry observations at the 4.1 m 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.

引用

页数：13

共 50 条

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