Spectroscopic and physical parameters of Galactic O-type stars - I. Effects of rotation and spectral resolving power in the spectral classification of dwarfs and giants

@article{Markova2011SpectroscopicAP,
  title={Spectroscopic and physical parameters of Galactic O-type stars - I. Effects of rotation and spectral resolving power in the spectral classification of dwarfs and giants},
  author={Nevena St. Markova and Joachim Puls and Salvo Scuderi and Sergio Sim{\'o}n-D{\'i}az and Artemio Herrero},
  journal={Astronomy and Astrophysics},
  year={2011},
  volume={530}
}
The modern-era spectral classification of O-stars relies on either the Walborn or the Conti-Mathys scheme. Since both of these approaches have been developed using low-quality photographic data, their application to high-quality digital data might not be straightforward and be hampered by problems and complications that have not yet been appreciated. Using high-resolution spectra obtained with the ESO/MPG 2.2\,m telescope in La Silla and following the premises of the Walborn and Conti… Expand

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