DRAGON-III simulation: modelling million-body globular and nuclear star clusters

Kavli Affiliate: Rainer Spurzem

| First 5 Authors: Kai Wu, Kai Wu, , ,

| Summary:

As a continuation of DRAGON-II, we present the DRAGON-III project, which
focuses on the simulations of million-body globular clusters and nuclear
clusters over 10 Gyr. We report on its preliminary results on globular
clusters. The first 100 Myr of the simulations have produced 41 pulsars, 191
X-ray binaries, 17 gravitational wave sources, and one black hole-black hole
merger due to the loss of orbital energy in the form of gravitational wave
emission. The inclusion of initial soft binaries brings surprisingly
interesting results, including one IMBH in a binary black hole, and compact
object binaries resembling the Gaia-BH1 and the wide black hole-giant binary
reported in Wang et al. (2024, Nat. Astro.).

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