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Long Period WR Binaries

Published online by Cambridge University Press:  03 August 2017

K. Annuk
K. Annuk*
Affiliation:
W. Struve Astrophysical Observatory of Tartu 202444 Tõravere Estonia, USSR

Abstract

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Now it is clear that there exist some long period (periods exceed a year) Wolf-Rayet binaries. This paper presents the results of our radial velocity study for three WR binaries: HD193077 (WN6 + O9), HD193793 (WC7 + O5-6) and HD192641 (WC7 + O9). Our spectroscopic observations confirm that HD193077 and HD193793 are long period systems with the periods of 1538 and 2886 days. Most likely, HD192641 is also a long period WR binary (P ≥4400 days).

Type
Session IV. Binaries
Information
Symposium - International Astronomical Union , Volume 143: Wolf–Rayet Stars and Interrelations with other Massive Stars in Galaxies , 1991 , pp. 245 - 250
Copyright
Copyright © Kluwer 1991 

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