Article Dans Une Revue Monthly Notices of the Royal Astronomical Society Année : 2024

Supermassive black holes from runaway mergers and accretion in nuclear star clusters

Konstantinos Kritos
  • Fonction : Auteur
Emanuele Berti
  • Fonction : Auteur

Résumé

Rapid formation of supermassive black holes occurs in dense nuclear star clusters that are initially gas-dominated. Stellar-mass black hole remnants of the most massive cluster sink into the core, where a massive runaway black hole forms as a consequence of combined effects of repeated mergers and Eddington-limited gas accretion. The associated gravitational-wave signals of high-redshift extreme mass-ratio inspirals are a unique signature of the nuclear star cluster scenario.

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hal-04576593 , version 1 (28-06-2024)

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Konstantinos Kritos, Emanuele Berti, Joseph Silk. Supermassive black holes from runaway mergers and accretion in nuclear star clusters. Monthly Notices of the Royal Astronomical Society, 2024, 531 (1), pp.133-136. ⟨10.1093/mnras/stae1145⟩. ⟨hal-04576593⟩
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