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Spins of stripped B stars support magnetic internal angular momentum transport

Published online by Cambridge University Press:  29 August 2024

Christoph Schürmann Open the ORCID record for Christoph Schürmann [Opens in a new window] ,
Norbert Langer ,
Xiao-Tian Xu  and
Chen Wang
Christoph Schürmann*
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany Argelander-Institut für Astronomie, Univ. Bonn, Auf dem Hügel 71, 53121 Bonn, Germany
Norbert Langer
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany Argelander-Institut für Astronomie, Univ. Bonn, Auf dem Hügel 71, 53121 Bonn, Germany
Xiao-Tian Xu
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany Argelander-Institut für Astronomie, Univ. Bonn, Auf dem Hügel 71, 53121 Bonn, Germany
Chen Wang
Affiliation:
Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str. 1, 85748 Garching, Germany
*
email: [email protected]
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Abstract

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The galactic binary star LB-1 contains a recently stripped B-type star. Comparing its properties to detailed binary star models shows that tidal braking and magnetic torques lead to low surface rotational velocities in the stripped donors after Roche-lobe overffiow. Models without magnetic torques cannot reproduce the observed low surface rotation.

Keywords

stars: rotationstars: interiorsstars: binariesstars: magnetic fields
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S361: Massive Stars Near and Far , May 2022 , pp. 253 - 255
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Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

References

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