Volume 565, May 2014
|Number of page(s)||9|
|Section||Catalogs and data|
|Published online||15 May 2014|
New and revised parameters for several southern OB binaries⋆
1 Astronomical Institute of the Charles University, Faculty of Mathematics and Physics, V Holešovičkách 2, Praha 8 180 00, Czech Republic
2 Dr. Karl-Remeis-Observatory & ECAP, Astronomical Institute, Friedrich-Alexander University Erlangen-Nuremberg, Sternwartstr. 7, 96094 Bamberg, Germany
Received: 17 January 2014
Accepted: 6 March 2014
Using ESO FEROS archive spectra of several southern OB-type binaries, we derived periods for three SB2 spectroscopic binaries, HD 97166, HD 115455, and HD 123590, and two SB1 systems, HD 130298 and HD 163892. It was also possible to use new FEROS spectra to improve the parameters of the known binaries, KX Vel and HD 167263. For KX Vel, we determined a dynamic mass of the primary of 16.8 M⊙, while the evolutionary model suggests a higher value of 20.2 M⊙. We derived an improved period for HD 167263, and in its spectra, we recognized contributions of both of its interferometric components.
Key words: stars: early-type / binaries: spectroscopic
Based on data products from observations made with ESO Telescopes at the La Silla Paranal Observatory under program ID: 074.D-0300(A), 075.D-0061(A), 075.D-0103(A), 077.B-0348(A), 077.D-0321(A), 077.D-0635(A), 079.D-0564(A), 079.D-0564(B), 081.D-2008(A), 081.D-2008(B), 083.D-0589(A), 086.D-0997(A), 087.D-0946(A), 089.D-0189(A), and 089.D-0975(A).
© ESO, 2014
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.