Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...253..230l&link_type=abstract
Astrophysical Journal, Part 1, vol. 253, Feb. 1, 1982, p. 230-236. Research supported by the Natural Sciences and Engineering R
Astronomy and Astrophysics
Astrophysics
35
B Stars, Binary Stars, O Stars, Stellar Mass, Stellar Spectra, Wolf-Rayet Stars, Astronomical Spectroscopy, Line Spectra, Neutron Stars, Stellar Envelopes
Scientific paper
HD 193077 is shown to probably consist of three stars: (1) a WN 6 star with (2) a neutron star in 2.3238-day orbit, and (3) a fainter, rapidly rotating late O main-sequence star which the first two circle in 1763 days. Although this makes HD 193077 the sixth galactic W-R star which may contain a compact companion, it is unique in possessing a third body. The effect produced on the present system by the rapid ejection of a supernova shell in the formation of the supposed neutron star will have been reduced by the presence of the OB star.
Koenigsberger Gloria
Lamontagne Robert
Moffat Anthony F. J.
Seggewiss Wilhelm
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