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The evolution of binary-stripped stars: consequences for supernovae and black hole formation

Published online by Cambridge University Press:  29 August 2024

Eva Laplace Open the ORCID record for Eva Laplace [Opens in a new window] ,
Fabian Schneider Open the ORCID record for Fabian Schneider [Opens in a new window] ,
Philipp Podsiadlowski ,
Selma de Mink ,
Stephen Justham ,
Mathieu Renzo ,
Ylva Götberg ,
Rob Farmer  and
David Vartanyan
Eva Laplace*
Affiliation:
Heidelberger Institut für Theoretische Studien, Schloss-Wolfsbrunnenweg 35, 69118 Heidelberg, Germany Anton Pannekoek Institute of Astronomy and GRAPPA, Science Park 904, University of Amsterdam, 1098XH Amsterdam, The Netherlands
Fabian Schneider
Affiliation:
Heidelberger Institut für Theoretische Studien, Schloss-Wolfsbrunnenweg 35, 69118 Heidelberg, Germany Zentrum für Astronomie der Universität Heidelberg, Heidelberg, Germany
Philipp Podsiadlowski
Affiliation:
University of Oxford, St Edmund Hall, Oxford, OX1 4AR, United Kingdom
Selma de Mink
Affiliation:
Heidelberger Institut für Theoretische Studien, Schloss-Wolfsbrunnenweg 35, 69118 Heidelberg, Germany Max Planck Institute for Astrophysics, Karl-Schwarzschild-Str. 1, 85748 Garching, Germany Center for Astrophysics, Harvard-Smithsonian, 60 Garden Street, Cambridge, MA 02138, USA
Stephen Justham
Affiliation:
Anton Pannekoek Institute of Astronomy and GRAPPA, Science Park 904, University of Amsterdam, 1098XH Amsterdam, The Netherlands School of Astronomy and Space Science, University of the Chinese Academy of Sciences, Beijing 100012, China
Mathieu Renzo
Affiliation:
Center for Computational Astrophysics, Flatiron Institute, New York, NY 10010, USA Department of Physics, Columbia University, New York, NY 10027, USA
Ylva Götberg
Affiliation:
The Observatories of the Carnegie Institution for Science, 813 Santa Barbara Street, Pasadena, CA 91101, USA
Rob Farmer
Affiliation:
Anton Pannekoek Institute of Astronomy and GRAPPA, Science Park 904, University of Amsterdam, 1098XH Amsterdam, The Netherlands Max Planck Institute for Astrophysics, Karl-Schwarzschild-Str. 1, 85748 Garching, Germany
David Vartanyan
Affiliation:
Department of Physics and Astronomy, University of California, Berkeley, CA 94720
*
email: eva.laplace@h-its.org
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Abstract

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Gravitational-wave (GW) observations are revealing the population of compact objects from a new angle. Yet their stellar progenitors remain uncertain because few observational clues on their progenitors exist. Theoretical models typically assume that the progenitor evolution can be approximated with single-star models. We explore how binary evolution affects the pre-supernova (SN) structure of stars, and the resulting distribution of compact object remnants. We focus on the differences in the core properties of single stars and of donor stars that transfer their outer layers in binary systems and become binary-stripped. We show that the final structures of binary-stripped stars that lose their outer layers before the end of core helium burning are systematically different compared to single stars. As a result, we find that binary-stripped stars tend to explode more easily than single stars and preferentially produce neutron stars and fewer black holes, with consequences for GW progenitors.

Keywords

stars: evolutionstars: binariesstars: interiorssupernovae: general black hole physics
Type
Contributed Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S361: Massive Stars Near and Far , May 2022 , pp. 596 - 601
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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

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