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Speckle interferometry at SOAR in 2016 and 2017
Resource type
Authors/contributors
- Tokovinin, Andrei (Author)
- Mason, Brian D. (Author)
- Hartkopf, William I. (Author)
- Mendez, Rene A. (Author)
- Horch, Elliott P. (Author)
Title
Speckle interferometry at SOAR in 2016 and 2017
Abstract
The results of speckle interferometric observations at the 4.1 m Southern Astrophysical Research Telescope in 2016 and 2017 are given, totaling 2483 measurements of 1570 resolved pairs and 609 non-resolutions. We describe briefly recent changes in the instrument and observing method and quantify the accuracy of the pixel scale and position angle calibration. Comments are given on 44 pairs resolved here for the first time. The orbital motion of the newly resolved subsystem BU 83 Aa,Ab roughly agrees with its 36-year astrometric orbit proposed by J. Dommanget. Most Tycho binaries examined here turned out to be spurious. © 2018. The American Astronomical Society. All rights reserved..
Publication
The Astronomical Journal
Date
2018-05-14
Volume
155
Issue
6
Pages
235
Journal Abbr
AJ
Citation Key
tokovininSpeckleInterferometrySOAR2018
Accessed
10/8/19, 1:39 PM
ISSN
1538-3881
Language
English
Library Catalog
DOI.org (Crossref)
Extra
30 citations (Crossref) [2023-10-31]
Citation
Tokovinin, A., Mason, B. D., Hartkopf, W. I., Mendez, R. A., & Horch, E. P. (2018). Speckle interferometry at SOAR in 2016 and 2017. The Astronomical Journal, 155(6), 235. https://doi.org/10.3847/1538-3881/aabf8d
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