The magnetic field and the evolution of element spots on the surface of the HgMn eclipsing binary AR Aur

Hubrig, S.; Savanov, I.; Ilyin, I.; Gonzalez, Jorge Federico; Korhonen, H.; Lehmann, H.; Schöller, M.; Granzer, T.; Weber, M.; Strassmeier, K. G.; Hackman, T.; Tkachenko, A.

doi:10.1111/j.1745-3933.2010.00928.x

Artículo

The magnetic field and the evolution of element spots on the surface of the HgMn eclipsing binary AR Aur

Hubrig, S.; Savanov, I.; Ilyin, I.; Gonzalez, Jorge Federico Icon

; Korhonen, H.; Lehmann, H.; Schöller, M.; Granzer, T.; Weber, M.; Strassmeier, K. G.; Hackman, T.; Tkachenko, A.

Fecha de publicación: 10/2010

Editorial: Oxford University Press

Revista: Monthly Notices Of The Royal Astronomical Society

ISSN: 0035-8711

Idioma: Inglés

Tipo de recurso: Artículo publicado

Clasificación temática:

Astronomía

Resumen

The system AR Aur is a young late B-type double-lined eclipsing binary with a primary star of HgMn peculiarity. We applied the Doppler imaging method to reconstruct the distribution of Fe and Y over the surface of the primary using spectroscopic time series obtained in 2005 and from 2008 October to 2009 February. The results show a remarkable evolution of the element distribution and overabundances. Measurements of the magnetic field with the moment technique using several elements reveal the presence of a longitudinal magnetic field of the order of a few hundred gauss in both stellar components and a quadratic field of the order of 8 kG on the surface of the primary star.

Palabras clave: Stars: Abundances , Binaries: Eclipsing , Binaries: Spectrocopic , Stars: Chemically Peculiar , Stars: Magnetic Fields

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Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)

Identificadores

URI: http://hdl.handle.net/11336/12978

URL: https://academic.oup.com/mnrasl/article-lookup/doi/10.1111/j.1745-3933.2010.0092

DOI: http://dx.doi.org/10.1111/j.1745-3933.2010.00928.x

URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1745-3933.2010.00928.x/full

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Articulos(ICATE)
Articulos de INST.D/CS ASTRONOMICAS D/LA TIERRA Y DEL ESPACIO

Citación

Hubrig, S.; Savanov, I.; Ilyin, I.; Gonzalez, Jorge Federico; Korhonen, H.; et al.; The magnetic field and the evolution of element spots on the surface of the HgMn eclipsing binary AR Aur; Oxford University Press; Monthly Notices Of The Royal Astronomical Society; 408; 1; 10-2010; 61-65

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