Radiation-driven Winds from pulsating luminous Stars. Ernst A. Dorfi Universit ä t Wien Institut f ü r Astronomie. Outline. XLA Data for stellar objects Luminous massive stars Computational approach Stellar Pulsations Dynamical atmospheres and mass loss Conclusions and Outlook.
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Ernst A. Dorfi
Institut für Astronomie
Adopted from Gautschy & Saio 1996
R40 in SMC
Sterken et al. 1998, y- and Hipparcos photometry
Lefèvre at al. 2005, ApJ
Dorfi, Gautschy, Saio, 2006
Synchronous motion of mass shells
Time in pulsation periods
Ballistic motions on the scale of tff
Episodic mass loss
Regular interior pulsations
Stökl & Dorfi, CPC, 2008