The impact of stellar binaries and star cluster dynamics on pair-instability supernovae

arXiv:2606.28299 · astro-ph.HE, astro-ph.GA, astro-ph.SR · Submitted 2026-06-26 · Read on arXiv

Francesco Gabrielli, Cristiano Ugolini, Lavinia Paiella, Benedetta Mestichelli, Manuel Arca Sedda, Lumen Boco, Kendall Shepherd, Giuliano Iorio, Guglielmo Costa, Giovanni Gandolfi, Andrea Lapi, Erik Zackrisson, Thomas Nordlander, Alessandro Bressan, Mario Spera

astro-ph.HE, astro-ph.GA, astro-ph.SR

Submitted: 2026-06-26

Comments: 26 pages (19 main text, 7 appendix), 14 figures, 2 tables. Submitted to A&A. Comments are welcome. Resubmitted with A&A template

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Metallicity — 51× in this paper · explained in 3 episodes
• Core — 11× in this paper · explained in 2 episodes
• Velocity Dispersion — 10× in this paper · explained in 2 episodes
• Abundance — 5× in this paper · explained in 1 episode
• Population Synthesis — 2× in this paper · explained in 2 episodes
• Initial Mass Function (IMF) — 1× in this paper · explained in 2 episodes
• Mass Segregation — 1× in this paper · explained in 2 episodes

Sources

• Trading oxygen for iron II. Oxygen- versus iron-dependent cosmic star formation history
• $N$-body modelling of the ED-2 stream progenitor shows Gaia BH3's formation involved dynamical interactions
• Teen TITANS simulations -- I. Inefficient intermediate-mass black hole seeding via stellar collisions in young massive clusters
• Roman CCS White Paper: Identifying high-redshift pair-instability supernovae by adding sparse F213 filter observations

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