The life cycles of Be viscous decretion discs: The case of ω CMa
Monthly Notices of the Royal Astronomical Society(2018)
摘要
We analysed V-band photometry of the Be star ω CMa, obtained during the last four decades, during which the star went through four complete cycles of disc formation and dissipation. The data were simulated by hydrodynamic models based on a time-dependent implementation of the viscous decretion disc (VDD) paradigm, in which a disc around a fast-spinning Be star is formed by material ejected by the ...
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关键词
techniques: photometric,stars: emission-line, Be,stars: mass-loss,stars: individual: ω CMa
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