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The interaction of core-collapse supernova ejecta with a stellar companion

Published online by Cambridge University Press:  30 December 2019

Zheng-Wei Liu Open the ORCID record for Zheng-Wei Liu [Opens in a new window] ,
T. M. Tauris ,
F. K. Röpke ,
T. J. Moriya ,
M. Kruckow ,
R. J. Stancliffe  and
R. G. Izzard
Zheng-Wei Liu
Affiliation:
Yunnan Observatories, Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming 650216, China Center for Astronomical Mega-Science, CAS, Beijing, China email: zwliu@ynao.ac.cn
T. M. Tauris
Affiliation:
Argelander-Institut für Astronomie, Auf dem Hügel 71, D-53121 Bonn
F. K. Röpke
Affiliation:
Heidelberger Institut für Theoretische Studien, Schloss-Wolfsbrunnenweg 35, D-69118 Heidelberg, Germany Zentrum für Astronomie der Universität Heidelberg, Institut für Theoretische Astrophysik, Philosophenweg 12, D-69120 Heidelberg, Germany
T. J. Moriya
Affiliation:
National Astronomical Observatory of Japan
M. Kruckow
Affiliation:
Yunnan Observatories, Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming 650216, China Center for Astronomical Mega-Science, CAS, Beijing, China email: zwliu@ynao.ac.cn
R. J. Stancliffe
Affiliation:
Argelander-Institut für Astronomie, Auf dem Hügel 71, D-53121 Bonn
R. G. Izzard
Affiliation:
University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom
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Abstract

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The progenitors of many core-collapse supernovae (CCSNe) are expected to be in binary systems. By performing a series of three-dimensional hydrodynamical simulations, we investigate how CCSN explosions affect their binary companion. We find that the amount of removed stellar mass, the resulting impact velocity, and the chemical contamination of the companion that results from the impact of the SN ejecta, strongly increases with decreasing binary separation and increasing explosion energy. Also, it is foud that the impact effects of CCSN ejecta on the structure of main-sequence (MS) companions, and thus their long term post-explosion evolution, are in general not dramatic.

Keywords

stars: supernovae: generalstars: kinematicsbinaries: close
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S346: High-mass X-ray Binaries: Illuminating the Passage from Massive Binaries to Merging Compact Objects , August 2018 , pp. 55 - 58
Copyright
© International Astronomical Union 2019 

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