DRAGON-III simulation: modelling million-body globular and nuclear star clusters
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866908577118027776 |
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| author | Wu, Kai Cho, Philip Spurzem, Rainer Wang, Long Dotti, Francesco Flammini Amiri, Vahid |
| author_facet | Wu, Kai Cho, Philip Spurzem, Rainer Wang, Long Dotti, Francesco Flammini Amiri, Vahid |
| contents | 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.). |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2510_03933 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | DRAGON-III simulation: modelling million-body globular and nuclear star clusters Wu, Kai Cho, Philip Spurzem, Rainer Wang, Long Dotti, Francesco Flammini Amiri, Vahid Astrophysics of Galaxies 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.). |
| title | DRAGON-III simulation: modelling million-body globular and nuclear star clusters |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2510.03933 |