Publication details

Advanced test of the model stellar atmospheres: the nature of the light variability of magnetic chemically peculiar stars

Authors

KRTIČKA Jiří MIKULÁŠEK Zdeněk ZVERKO Juraj ŽIŽŇOVSKÝ Jozef ZVĚŘINA Pavel

Year of publication 2008
Type Article in Proceedings
Conference The Art of Modelling Stars in the 21st Century
MU Faculty or unit

Faculty of Science

Citation
Web http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=2451984
Field Astronomy and astrophysics
Keywords stars: chemically peculiar; stars: early-type; stars: variables: other; stars: atmospheres; stars: magnetic
Description The magnetic chemically peculiar stars exhibit both inhomogeneous horizontal distribution of chemical elements on their surfaces and the light variability. We show that the observed light variability of these stars can be successfully simulated using models of their stellar atmospheres and adopting the observed surface distribution of elements. The most important elements that influence the light variability are silicon, iron, and helium.
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