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Modelling of three long-periodic magnetic CP-stars: HD 2453, HD 12288, and HD 200311

Published online by Cambridge University Press:  02 March 2005

Yurij V. Glagolevskij  and
Ewald Gerth
Yurij V. Glagolevskij
Affiliation:
Special Astrophysical Observatory, Nizhnij Arkhyz, Karachaevo-Cherkesia, 369167 Russia. email: [email protected]
Ewald Gerth
Affiliation:
D-14471 Potsdam, Gontardstr. 130, Germany email: [email protected]
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Abstract

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Using observational data published as phase curves of the effective magnetic field strength $B_{\rm e}(P)$ and the surface field $B_{\rm s}(P)$, magnetic models of three stars with long rotational periods are calculated by the Magnetic Charge Distribution method. For two of these stars (HD 2453 and HD 12288), the structure of the magnetic field can be described well by a central dipole model. The third star (HD 200311) is better fitted by a model of a displaced dipole, being decentered by $\triangle r = 0.08 R$ along the dipole axis.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Stars: chemical peculiar starsstars: magnetic fieldstars: individual (HD 2453, HD 12288, HD 200311)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS224 , July 2004 , pp. 614 - 618
Copyright
© 2004 International Astronomical Union