The Extended Atmosphere and Evolution of the RV Tauri Star, R Scuti

  • M. Matsuura
  • A. A. Zijlstra
  • I. Yamamura
  • T. R. Bedding
Part of the Astrophysics and Space Science Library book series (ASSL, volume 283)


We found molecular bands in absorption and in emission in the infrared spectra of the RV Tau stars, R Sct. This is a unique property among the RV Tau stars, but rather commonly seen in Mira variables. The period evolution of this star does not fit with an ordinary post-AGB scenario. Therefore, we argue an alternative choice of the evolutional stage; R Sct is not a post-AGB star but an AGB star in the helium-burning phase of the thermal-pulse cycle


stars: AGB stars: atmospheres stars: individual: R Sct 


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Copyright information

© Springer Science+Business Media Dordrecht 2003

Authors and Affiliations

  • M. Matsuura
    • 1
  • A. A. Zijlstra
    • 1
  • I. Yamamura
    • 2
  • T. R. Bedding
    • 3
  1. 1.Department of PhysicsUMISTManchesterUK
  2. 2.Institute of Space and Astronautical ScienceKanagawaJapan
  3. 3.School of PhysicsUniversity of SydneyAustralia

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