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PION: Simulating bow shocks and circumstellar nebulae around massive stars

Published online by Cambridge University Press:  29 August 2024

Jonathan Mackey Open the ORCID record for Jonathan Mackey [Opens in a new window] ,
Samuel Green ,
Maria Moutzouri ,
Thomas J. Haworth ,
Robert D. Kavanagh Open the ORCID record for Robert D. Kavanagh [Opens in a new window] ,
Maggie Celeste ,
Robert Brose  and
Davit Zargaryan
Jonathan Mackey*
Affiliation:
Dublin Institute for Advanced Studies, Astronomy & Astrophysics Section, DIAS Dunsink Observatory, Dublin, D15 XR2R, Ireland
Samuel Green
Affiliation:
Dublin Institute for Advanced Studies, Astronomy & Astrophysics Section, DIAS Dunsink Observatory, Dublin, D15 XR2R, Ireland
Maria Moutzouri
Affiliation:
Dublin Institute for Advanced Studies, Astronomy & Astrophysics Section, DIAS Dunsink Observatory, Dublin, D15 XR2R, Ireland
Thomas J. Haworth
Affiliation:
Astronomy Unit, School of Physics and Astronomy, Queen Mary University of London, London E1 4NS, UK
Robert D. Kavanagh
Affiliation:
Leiden Observatory, Leiden University, PO Box 9513, 2300 RA, Leiden, The Netherlands
Maggie Celeste
Affiliation:
Dublin Institute for Advanced Studies, Astronomy & Astrophysics Section, DIAS Dunsink Observatory, Dublin, D15 XR2R, Ireland School of Physics, Trinity College Dublin, The University of Dublin, Dublin 2, Ireland
Robert Brose
Affiliation:
Dublin Institute for Advanced Studies, Astronomy & Astrophysics Section, DIAS Dunsink Observatory, Dublin, D15 XR2R, Ireland
Davit Zargaryan
Affiliation:
Dublin Institute for Advanced Studies, Astronomy & Astrophysics Section, DIAS Dunsink Observatory, Dublin, D15 XR2R, Ireland
*
email: jmackey@cp.dias.ie
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Abstract

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Expanding nebulae are produced by mass loss from stars, especially during late stages of evolution. We describe the algorithms and methods implemented in the radiation-magnetohydrodynamics (MHD) code PION for highly scalable simulations using static mesh-refinement. We present results from 3D MHD simulations of bow shocks around runaway massive stars, and of the expansion of a fast wind from a Wolf-Rayet star into the slow wind from a previous red supergiant phase of evolution. PION is free software that can be downloaded from https://www.pion.ie/

Keywords

Hydrodynamicsmethods: numericalISM: bubblesStars: winds, outflows
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S361: Massive Stars Near and Far , May 2022 , pp. 510 - 512
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Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

References

García-Segura, G., Langer, N., & Mac Low, M. 1996, A&A, 316, 133 Google Scholar
Green, S., Mackey, J., Kavanagh, P., Haworth, T. J., Moutzouri, M., & Gvaramdaze, V. V. 2022, Astronom & Astrophysics, in press, arXiv:2203.06331Google Scholar
Mackey, J., Green, S., Moutzouri, M., Haworth, T. J., Kavanagh, R. D., Zargaryan, D., & Celeste, M. 2021, MNRAS, 504, 983 CrossRefGoogle Scholar
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