The Massive Wolf-Rayet Binary HDE318016 (=WR 98)

Details The Massive Wolf-Rayet Binary HDE318016 (=WR 98) The Massive Wolf-Rayet Binary HDE318016 (=WR 98)

2002-07-22

arxiv.org/abs/astro-ph/0207473v2

Astronomy and Astrophysics

Astrophysics

2 pages, 2 figures, to appear in Symp IAU 212 proceedings

Scientific paper

We present the discovery of OB type absorption lines superimposed to the emission line spectrum, and the first double-lined orbital elements for the massive Wolf-Rayet binary HDE 318016 (=WR 98), a spectroscopic binary in a circular orbit with a period of 47.825 days. The semiamplitudes of the orbital motion of the emission lines differ from line to line, indicating mass ratios between 1 and 1.7 for MWR/MOB.

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