Composite Spectra, Paper XXII HD 193349/50: a 3‐year binary whose apparently single hot secondary could itself be a former binary that is now merged

HD 193349/50, the brightest component of a visual triple system, is a composite‐spectrum binary in which the hot component is dominant in the violet part of the spectrum. The spectral types are near to K0 iii and B9 V. The orbit has a period of three years and a very small (but significantly non‐zer...

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Veröffentlicht in:	Astronomische Nachrichten 2018-08, Vol.339 (7-8), p.586-595
Hauptverfasser:	Griffin, R. E. M., Griffin, R. F.
Format:	Artikel
Sprache:	eng
Schlagworte:	binaries: spectroscopic Binary stars Star mergers stars: individual: HD 193349/50 stars: stellar evolution
Online-Zugang:	Volltext
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