26–29 Aug 2025
Niels Bohr Institute
Europe/Copenhagen timezone

Low mass binaries are bound from birth

26 Aug 2025, 14:20
20m
Niels Bohr Institute

Niels Bohr Institute

Margrethe Bohr Auditorium Niels Bohr Building Jagtvej 132 DK-2200 Copenhagen

Speaker

Dr Aleksey Generozov (University of Texas at Austin)

Description

Observations show that most main sequence stars, unlike our Sun, are members of systems with two or more stars. Exactly how these systems form and when these stars become gravitationally bound together remains debated, since resolving the earliest stages of star formation is challenging. I will discuss how multiple star systems form and evolve in simulations of star cluster formation representative of typical Milky Way conditions that include all key physics and stellar feedback mechanisms. In particular, I will show ~70-80% of binaries form as bound systems, rather than from capture of initially unbound stars.

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