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The multiple system Sk-67°18 in the LMC

  • V. S. Niemela (a1), W. Seggewiss (a2) and A. F. J. Moffat (a3)

Abstract

The bright star Sk—67°18 (Brey 5) in the Large Magellanic Cloud (LMC) contains an eclipsing binary system. Our radial velocity study reveals that the orbital period is almost exactly two days. The spectra also show that the star's primary component is not of spectral type WN, but that the star is rather an Of+O type binary where the primary is probably of type O3f*. Furthermore, Sk—67°18 appears to be a high-mass multiple system.

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Copyright

References

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Moffat, A. F. J., Niemela, V. S., Marraco, H. G. 1990, A&A 348, 232
Moffat, A. F. J., Seggewiss, W. 1986, ApJ 309, 714
Niemela, V. S., Morrell, N. I. 1986, ApJ 310, 715
Sanduleak, N. 1970, Cerro Tololo Inter-American Obs. Contr. No. 89
Walborn, N. R. 1977, ApJ 215, 53

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