Light variations and angular momentum loss from the He-strong magnetic chemically peculiar star HD 37776

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Authors

MIKULÁŠEK Zdeněk KRTIČKA Jiří ZVERKO Juraj ŽIŽNOVSKÝ Jozef JANÍK Jan

Year of publication 2005
Type Article in Proceedings
Conference Active OB-Stars: Laboratories for Stellare and Circumstellar Physics, ASP Conference Series, Vol. 361, Proceedings of the conference held 2005 at Hokkai-Gakuen University, Sapporo, Japan. Edited by S. Stefl, S. P. Owocki, and A. T. Okazaki
MU Faculty or unit

Faculty of Science

Citation
Field Astronomy and astrophysics
Keywords magnetic CP star; rotational period; angular momentum; stellar wind
Description We present a principle component analysis of multicolour light variations of the He-strong magnetic chemically peculiar star HD 37776 and its (O-C) diagram. The period increase rate found, (dP/dt)/P=5.5x10^{-6}/year, is consistent with the conception of angular momentum loss through magnetically confined stellar wind.
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