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The analyses of the light curves of magnetic CP stars by advanced PCA methods

Published online by Cambridge University Press:  02 March 2005

Z. Mikulášek ,
J. Zverko ,
J. Žižňovský  and
J. Janík
Z. Mikulášek
Affiliation:
Institute of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic email: mikulas@ics.muni.cz, honza@physics.muni.cz
J. Zverko
Affiliation:
Astronomical Institute of Slovak Academy of Science, 059 60 Tatranská Lomnica, Slovak Republic, email: zverko@ta3.sk, ziga@ta3.sk
J. Žižňovský
Affiliation:
Astronomical Institute of Slovak Academy of Science, 059 60 Tatranská Lomnica, Slovak Republic, email: zverko@ta3.sk, ziga@ta3.sk
J. Janík
Affiliation:
Institute of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic email: mikulas@ics.muni.cz, honza@physics.muni.cz
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Abstract

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We present a new method of phenomenologically modelling light curves of variable stars using Principal Component Analysis techniques that provide a realistic description of the variability with a minimum of free parameters. Examples of this method are demonstrated for the magnetic CP stars HD 90044 and HD 125248.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Methods: data analysismethods: statisticalstars: chemically peculiarstars: individual: (HD 90044, HD 125248)stars: magnetic fieldsstars: variables: othertechniques: photometric
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS224 , July 2004 , pp. 657 - 661
Copyright
© 2004 International Astronomical Union