LSS 2063 - A galactic Of/WN star

Details LSS 2063 - A galactic Of/WN star LSS 2063 - A galactic Of/WN star

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.224..641g&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 224, Feb. 1, 1987, p. 641-648.

Astronomy and Astrophysics

Astronomy

3

Binary Stars, O Stars, Radial Velocity, Stellar Mass Ejection, Stellar Spectra, Wolf-Rayet Stars, Balmer Series, Milky Way Galaxy, Stellar Winds

Scientific paper

The authors have performed a spectrographic analysis of the Of/WN star LSS 2063. Radial velocities were measured and an estimate of the rate of mass loss was derived by comparison of the observed profiles of Hα and He II λ4686 with the theoretical ones. The authors obtained a rate of mass loss M= 1×10-5M_sun;yr-1, which is comparable to the Mobtained for WR stars. No short-period high-amplitude radial velocity variations were found from the data, but the absorption lines show velocity gradients steeper than most Of stars.

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