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RV Tauri Stars

  • A. B. Fokin
Part of the Astrophysics and Space Science Library book series (ASSL, volume 257)

Abstract

Several problems of the theory of the RV Tauri stars are reviewed on the basis of the numerical nonlinear modelling. We analyse the nature of the alternating pulsations of these variables, and discuss their relation to the period doubling phenomenon in W Virginis stars. We also discuss the period-luminosity relation for RV Tauri stars, recently obtained following the MACHO survey of the LMC stars, and compare it to the theoretical prediction. The problem of the secondary long-period variability of the RVb group is analysed in the frame of the binary nature of these stars.

Keywords

RV Tauri stars W Virginis stars LMC numerical nonlinear modelling tangent bifurcation period-doubling bifurcation period-luminosity relation RVb stars 

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Copyright information

© Springer Science+Business Media Dordrecht 2001

Authors and Affiliations

  • A. B. Fokin
    • 1
    • 2
  1. 1.Institute of Astronomy of the Russian Academy of SciencesMoscowRussia
  2. 2.Observatoire de GenèveSauvernySwitzerland

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