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

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Original title:Light variations and angular momentum loss from the He-strong magnetic chemically peculiar star HD 37776
Authors:Zdeněk Mikulášek, Jiří Krtička, Juraj Zverko, Jozef Žižnovský, Jan Janík
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Original language:English
Field:Astronomy and astrophysics
Type:Article in Proceedings
Keywords:magnetic CP star; rotational period; angular momentum; stellar wind

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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