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

Basic information
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
Further information
Citation:MIKULÁŠEK, Zdeněk, Jiří KRTIČKA, Juraj ZVERKO, Jozef ŽIŽNOVSKÝ a Jan JANÍK. Light variations and angular momentum loss from the He-strong magnetic chemically peculiar star HD 37776. In 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. San Francisco:: Astronomical Society of Pacific, 2005. s. 466 - 468, 3 s. ISBN 978-1-583812-29-7.Export BibTeX
@inproceedings{630576,
author = {Mikulášek, Zdeněk and Krtička, Jiří and Zverko, Juraj and Žižnovský, Jozef and Janík, Jan},
address = {San Francisco:},
booktitle = {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},
keywords = {magnetic CP star; rotational period; angular momentum; stellar wind},
language = {eng},
location = {San Francisco:},
isbn = {978-1-583812-29-7},
pages = {466 - 468},
publisher = {Astronomical Society of Pacific},
title = {Light variations and angular momentum loss from the He-strong magnetic chemically peculiar star HD 37776},
year = {2005}
}
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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