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Tomography of the red supergiant star μ Cep

Published online by Cambridge University Press:  30 December 2019

K. Kravchenko Open the ORCID record for K. Kravchenko [Opens in a new window] ,
A. Chiavassa ,
S. Van Eck ,
A. Jorissen ,
T. Merle  and
B. Freytag
K. Kravchenko
Affiliation:
European Southern Observatory, Karl-Schwarzschild-Str. 2, 85748 Garching bei München, Germany email: [email protected] Institut d’Astronomie et d’Astrophysique, Université Libre de Bruxelles, CP226, Boulevard du Triomphe, 1050 Bruxelles, Belgium
A. Chiavassa
Affiliation:
Université Côte d’Azur, Observatoire de la Côte d’Azur, CNRS, Lagrange, CS 34229, 06304 Nice Cedex 4, France
S. Van Eck
Affiliation:
Institut d’Astronomie et d’Astrophysique, Université Libre de Bruxelles, CP226, Boulevard du Triomphe, 1050 Bruxelles, Belgium
A. Jorissen
Affiliation:
Institut d’Astronomie et d’Astrophysique, Université Libre de Bruxelles, CP226, Boulevard du Triomphe, 1050 Bruxelles, Belgium
T. Merle
Affiliation:
Institut d’Astronomie et d’Astrophysique, Université Libre de Bruxelles, CP226, Boulevard du Triomphe, 1050 Bruxelles, Belgium
B. Freytag
Affiliation:
Department of Physics and Astronomy at Uppsala University, Regementsvägen 1, Box 516, 75120 Uppsala, Sweden
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Abstract

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A tomographic method, aiming at probing velocity fields at depth in stellar atmospheres, is applied to the red supergiant star μ Cep and to snapshots of 3D radiative-hydrodynamics simulation in order to constrain atmospheric motions and relate them to photometric variability.

Keywords

Techniques: spectroscopicstars: atmospheressupergiants
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S343: Why Galaxies Care About AGB Stars: A Continuing Challenge through Cosmic Time , August 2018 , pp. 441 - 442
Copyright
© International Astronomical Union 2019 

References

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