Aluminium-26 from massive binary stars III. Binary stars up to core-collapse and their impact on the early Solar System

Abstract

Many of the short-lived radioactive nuclei that were present in the early Solar System can be produced in massive stars. In the first paper in this series (Brinkman et al. 2019), we focused on the production of ${}^{26}$Al in massive binaries. In our second paper (Brinkman et al. 2021), we considered rotating single stars, two more short-lived radioactive nuclei, ${}^{36}$Cl and ${}^{41}$Ca, and the comparison to the early Solar System data. In this work, we update our previous conclusions by further considering the impact of binary interactions. We used the MESA stellar evolution code with an extended nuclear network to compute massive (10-80 M${}_{\odot }$), binary stars at various initial periods and solar metallicity (Z=0.014), up to the onset of core collapse. The early Solar System abundances of ${}^{26}$Al and ${}^{41}$Ca can be matched self-consistently by models with initial masses $\ge$25 M${}_{\odot }$, while models with initial primary masses $\ge$35 M${}_{\odot }$ can also match ${}^{36}$Cl. Almost none of the models provide positive net yields for ${}^{19}$F, while for ${}^{22}$Ne the net yields are positive from 30 M${}_{\odot }$ and higher. This leads to an increase by a factor of approximately 4 in the amount of ${}^{22}$Ne produced by a stellar population of binary stars, relative to single stars. Also, besides the impact on the stellar yields, our 10 M${}_{\odot }$ primary star undergoing Case A mass-transfer ends its life as a white dwarf instead of as a core-collapse supernova. This demonstrates that binary interactions can also strongly impact the evolution of stars close to the supernova boundary.

23 pages, 10 figures, 3 tables

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Cited by in corpus (8)

• The physics of Core-Collapse Supernovae: explosion mechanism and explosive nucleosynthesis
• Very Massive Star Models: I. Impact of Rotation and Metallicity and Comparisons with Observations
• The Occurrence and Impact of Carbon-Oxygen Shell Mergers in Massive Stars
• The SPAr burning: proton captures powering carbon-oxygen shell mergers in massive stars
• Binary stellar evolution yields in galactic chemical evolution calculations
• Carbon from massive binary-stripped stars over cosmic time: effect of metallicity
• Aluminium-26 production in low- and intermediate-mass binary systems
• Self-consistent Conditions for ${}^{26}$Al Injection into Protosolar Disk from a Nearby Supernova