Radial-velocity variability in the O star 68 Cygni

Details Radial-velocity variability in the O star 68 Cygni Radial-velocity variability in the O star 68 Cygni

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pazh...12..541h&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 12, July 1986, p. 541-545) Soviet Astronomy Letters (ISSN 0360-0327), vol. 12, July-Aug

Astronomy and Astrophysics

Astronomy

1

O Stars, Radial Velocity, Absorption Spectra, Binary Stars, H Lines, Helium, Spectral Line Width, Spectrograms

Scientific paper

Results of new radial velocity observations are presented for the "runaway" O star 68 Cyg - a candidate for a binary system. Low amplitude (K ≈ 10 km/s) velocity variations with a possible period of 0d.508 have been established. An earlier suggestion by Alduseva et al. (1982) of the 5d.1 day periodicity is incompatible with the present data.

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