Spectroscopic and physical parameters of Galactic O-type stars - II. Observational constraints on projected rotational and extra broadening velocities as a function of fundamental parameters and stellar evolution

@inproceedings{Markova2014SpectroscopicAP,
  title={Spectroscopic and physical parameters of Galactic O-type stars - II. Observational constraints on projected rotational and extra broadening velocities as a function of fundamental parameters and stellar evolution},
  author={N. Markova and Joachim Puls and Sergio Sim{\'o}n-D{\'i}az and Artemio Herrero and Haralambi Markov and Norbert Langer},
  year={2014}
}
  • N. Markova, Joachim Puls, +3 authors Norbert Langer
  • Published 2014
  • Physics
  • Context. Rotation is of key importance for the evolution of massive star, including their fate as supernovae or gamma-ray bursts. However, the rotational velocities of OB stars are difficult to determine. Aims. Based on our own data for 31 Galactic O stars and incorporating similar data for 86 OB supergiants from the literature, we aim at investigating the properties of rotational and extra line-broadening as a function of stellar parameters and at testing model predictions about the evolution… CONTINUE READING

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