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The Multiperiodicity of μ Cen (B2 IVe)

  • D. Baade (a1), Th. Rivinius (a2) and S. Štefl (a3)

Abstract

We re-discuss the reality of the four periods near 0.5 d and reject the claim (Balona et al., these proceedings) that μ Cen exhibits a single ∼0.66-d period caused by co-rotating clouds. The alleged 0.66-d period is not genuine but results from the simultaneous proximity of this value to the beat period between the true 0.28- and 0.5-d periods as well as to a 2-c/d alias of the 0.28-d period.

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Copyright

References

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Balona, L.A. 1999, MNRAS 306, 407
Balona, L.A., Kaye, A.B. 1999, ApJ 521, 407
Kaufer, A. 1996, Ph.D. thesis, Landessternwarte Heidelberg
Rivinius, Th., Baade, D., Štefl, S., Stahl, O., Wolf, B., Kaufer, A. 1998a, A&A 336, 177
Rivinius, Th., Štefl, S., Baade, D., Stahl, O., Wolf, B., Kaufer, A. 1998b, Be Star Newsl. No. 33, p.15
Štefl, S., Baade, D., Balona, L.A., Harmanec, P. 1995, A&A 294, 135

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