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Structure in stellar winds of early B type supergiants

Published online by Cambridge University Press:  29 August 2024

Timothy N. Parsons Open the ORCID record for Timothy N. Parsons [Opens in a new window] ,
Raman K. Prinja ,
Lidia M. Oskinova Open the ORCID record for Lidia M. Oskinova [Opens in a new window]  and
Derck L. Massa Open the ORCID record for Derck L. Massa [Opens in a new window]
Timothy N. Parsons*
Affiliation:
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
Raman K. Prinja*
Affiliation:
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
Lidia M. Oskinova*
Affiliation:
Institut für Physik und Astronomie, Universität Potsdam, Karl-Liebknecht-Str. 24/25, 14476 Potsdam, Germany
Derck L. Massa*
Affiliation:
Space Science Institute, 4750 Walnut Street, Suite 205, Boulder, CO 80301, USA
*
email: timothy.parsons.15@ucl.ac.uk, rkp@star.ucl.ac.uk
email: timothy.parsons.15@ucl.ac.uk, rkp@star.ucl.ac.uk
email: lida@astro.physik.uni-potsdam.de
email: dmassa@SpaceScience.org
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Abstract

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One significant difficulty in reliable quantification of the rates of mass-loss from hot, massive stars lies in uncertainties associated with quantifying temporal and spatial variability within stellar winds. The consequences of low-metallicity conditions for wind structure also merit continued investigation. We present initial results from ULLYSES data with the aim of identifying structure within the stellar winds of early B type supergiants with sub-solar metallicities in the Large and Small Magellanic Clouds. We demonstrate how single-epoch ULLYSES data can be used to investigate significant wind structure for these stars.

Keywords

stars: windsoutflowssupergiantsultraviolet: starstechniques: spectroscopic
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S361: Massive Stars Near and Far , May 2022 , pp. 192 - 193
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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

Hubeny, I. 1988, Comp Phys Comm, 52, 103Google Scholar
Lamers, H.J.G.L.M., Cerruti-Sola, M. & Perinotto, M. 1987, ApJ, 314, 726CrossRefGoogle Scholar
Massa, D.L., Fullerton, A.W., Sonneborn, G. & Hutchings, J.B. 2003, ApJ, 586, 996CrossRefGoogle Scholar
Prinja, R.K. & Massa, D.L. 2010, A&A, 521, L55Google Scholar
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