collaborators

6 papers

astro-ph.GA2026

The LISA Astrophysics MBHcatalogues Project: A comparison of predictions of simulated massive black hole binaries

David Izquierdo-Villalba, Melanie Habouzit, Matteo Bonetti +67

In the hierarchical paradigm of galaxy formation, central massive black holes (MBHs) are expected to coalesce after the merger of their host galaxies. One of the main goals of the…

astro-ph.GA2026

Massive star clusters detected by JWST as natural birth places to form intermediate-mass black holes

Dominik R. G. Schleicher, Matías Liempi, Mirek Giersz +11

The James Webb Space Telescope (JWST) has detected, through gravitational lensing, several young massive star clusters (YMCs), which are considered as relevant building blocks of h…

astro-ph.GA2026

FROST-CLUSTERS -- III. Metallicity-dependent intermediate mass black hole formation by runaway collisions in dense star clusters

Antti Rantala, Thorsten Naab, Natalia Lahén +4

We explore the formation of intermediate mass black holes (IMBHs), potential seeds for supermassive black holes (SMBHs), via runaway stellar collisions for a wide range of star clu…

astro-ph.GA2025

Rapid sinking and efficient mergers of supermassive black holes in compact high-redshift galaxies

Atte Keitaanranta, Peter H. Johansson, Alexander Rawlings +5

We present a cosmological zoom-in simulation targeting the high redshift compact progenitor phase of massive galaxies, with the most massive galaxy reaching a stellar mass of $M_{\…

astro-ph.GA2025

Massive black hole formation in Population III star clusters

B. Reinoso, M. A. Latif, D. R. G. Schleicher

The James Webb Space Telescope (JWST) has revealed a population of active galactic nuclei (AGNs) that challenge existing black hole (BH) formation models. These newly observed BHs…

astro-ph.GA2025

Formation of supermassive stars in the first stellar clusters: Dependence on the gas temperature

P. A. Solar, B. Reinoso, D. R. G. Schleicher +2

The origin of supermassive black holes is an open question that has been explored considering gas- and collision-based formation channels to explain the high number of quasars obse…