Spectroscopic studies of Wolf-Rayet stars with absorption lines. VIII - HD 193793

Details Spectroscopic studies of Wolf-Rayet stars with absorption lines. VIII - HD 193793 Spectroscopic studies of Wolf-Rayet stars with absorption lines. VIII - HD 193793

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...282..693c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 282, July 15, 1984, p. 693-698.

Other

22

Absorption Spectra, Line Spectra, Stellar Spectra, Wolf-Rayet Stars, Binary Stars, Emission Spectra, Histograms, O Stars, Radial Velocity

Scientific paper

The authors present absorption-line velocities for the O type star spanning over 16 years and emission-line velocities for the WC star covering 10 years. They find no periodicities in either of these sets of data. In particular, they are unable to confirm the claim of Lamontagne, Moffat, and Seggewiss that the two stars are in orbit about one another. Rather, it seems that a generic relationship between the two components has not been established and one is dealing with a situation in which two stars are in the same line of sight.

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