The Characteristic of the Large-amplitude Pulsation in a Model Yellow Supergiant Star

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概要

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• The large-amplitude pulsation of a model yellow supergiant star is investigated by using a hydrodynamic code. The parameters of the model were M=1M_⦿, L=3200L⦿ and T_<eff>=5300K. The recurrence of the generation of strong shock wave is obtained in every several pulsation periods. The abrupt decrease of the pulsation period has found after the formation of extended atmospheres above the photosphere. The outer boundary conditions for the linear non-adiabatic approximation derived by Castor fail to reproduce this period.Stellar pulsationSupergiant starsExtended atmospheres

• 東北大学の論文
• 1985-01-25

著者

• Takeuti Mine

  Astronomical Institute Tohoku University

• Aikawa Toshiki

  Department Of Physics And Astronomy University Of Nebraska-lincoln

• Nakata M

  Astronomical Institute Faculty Of Science Tohoku University

• NAKATA Michinori

  Astronomical Institute, Faculty of Science, Tohoku University

• Nakata Michinori

  Astronomical Institute Faculty Of Science Tohoku University

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