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Luminous red supergiants in the Magellanic Clouds

Published online by Cambridge University Press:  29 August 2024

S. De Wit Open the ORCID record for S. De Wit [Opens in a new window] ,
A. Z. Bonanos Open the ORCID record for A. Z. Bonanos [Opens in a new window] ,
F. Tramper Open the ORCID record for F. Tramper [Opens in a new window] ,
M. Yang ,
G. Maravelias Open the ORCID record for G. Maravelias [Opens in a new window] ,
K. Boutsia Open the ORCID record for K. Boutsia [Opens in a new window] ,
N. Britavskiy Open the ORCID record for N. Britavskiy [Opens in a new window]  and
M. Zapartas Open the ORCID record for M. Zapartas [Opens in a new window]
S. De Wit*
Affiliation:
IAASARS, National Observatory of Athens, Athens, Greece National and Kapodistrian University of Athens, Athens, Greece
A. Z. Bonanos
Affiliation:
IAASARS, National Observatory of Athens, Athens, Greece
F. Tramper
Affiliation:
Key Laboratory of Space Astronomy and Technology, National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People’s Republic of China
M. Yang
Affiliation:
IAASARS, National Observatory of Athens, Athens, Greece Institute of Astrophysics, FORTH, Heraklion, Greece
G. Maravelias
Affiliation:
IAASARS, National Observatory of Athens, Athens, Greece Institute of Astronomy, KU Leuven, Belgium
K. Boutsia
Affiliation:
Carnegie Observatories, Las Campanas Observatory, La Serena, Chile
N. Britavskiy
Affiliation:
University of Liège, Liège, Belgium
M. Zapartas
Affiliation:
IAASARS, National Observatory of Athens, Athens, Greece
*
email: sdewit@noa.gr
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Abstract

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There is evidence that some red supergiants (RSGs) experience phases of episodic mass-loss. These episodes yield more extreme mass-loss rates, further stripping the envelope of the RSG, significantly affecting the further evolution towards the final collapse of the star. Mass lost through RSG outbursts/superwinds will flow outwards and form dust further out from the surface and this dust may be detected and modelled. Here, we aim to derive the surface properties and estimate the global properties of Mid-IR bright RSGs in the Magellanic Clouds. These properties will then be compared to evolutionary predictions and used for future spectral energy distribution fitting studies to measure the mass-loss rates from present circumstellar dust.

Keywords

massive starsmass-lossstellar parameters
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S361: Massive Stars Near and Far , May 2022 , pp. 429 - 431
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Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

References

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