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Observations of magnetic CP stars

Published online by Cambridge University Press:  02 March 2005

T. Ryabchikova
T. Ryabchikova
Affiliation:
Institute of Astronomy, Russian Academy of Science, 48 Pyatnitskaya str., 119017 Moscow, Russia email: [email protected] Institute for Astronomy, Vienna University, Türkenschanzstraße 17, A-1180 Vienna, Austria
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Abstract

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Important results of magnetic CP star research in the last decade from photometric and spectroscopic observations are discussed. Hipparcos parallaxes confirm CP stars are Main Sequence stars. Photometric monitoring of the rapidly rotating stars provides evidences for the rotational braking on the Main Sequence. High signal-to-noise spectra with high resolution and time-resolution give strong support for chemical separation processes operating in stellar atmospheres (abundance stratification). There are also observational evidences for the departure of the temperature structure of cool CP star atmospheres from that for normal stars.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Stars: photometrystars: spectroscopystars: chemically peculiar
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS224 , July 2004 , pp. 283 - 290
Copyright
© 2004 International Astronomical Union