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  • The orbit of the double-lin...
    The orbit of the double-lined Wolf–Rayet binary HDE 318016 (=WR 98)
    Gamen, Roberto C.; Niemela, Virpi S.

    New astronomy, 12/2002, Letnik: 7, Številka: 8
    Journal Article

    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 M WR / M OB .

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