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Periodic Variability of Be Stars: Nonradial Pulsation or Rotational Modulation?

  • D. Baade (a1) and L.A. Balona (a2)

Abstract

A large fraction of Be stars show periodic light and line profile variations with a timescale of about one day. The mechanism which causes these periodic variations has been attributed to nonradial pulsation (NRP) or rotational modulation (RM). The authors present arguments supporting the two opposing points of view with the purpose of stimulating subsequent discussion by the Symposium participants.

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References

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