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Emulating the complex galactic-scale orbital dynamics of LISA massive black hole pairs with normalizing flows
Pedro R. Capelo, Carlos Moreno Martinez, Nodens Koren +6
Massive black hole (MBH) pairs, formed in galaxy mergers, may coalesce in a burst of gravitational waves. Estimating the coalescence time-scales and rates is a long-standing astrop…
Too shy to spin? Cosmic wallflowers as proto-globular clusters
Floor van Donkelaar, Lucio Mayer, Pedro R. Capelo
We investigate the rotational properties of star-forming clusters at in the high-resolution simulation MassiveBlackPS, focusing on two formation channels: clusters for…
The role of major mergers in triggering super-Eddington accretion
Riccardo Caleno, Tommaso Zana, Raffaella Schneider +6
JWST observations have opened a new era in the exploration of the high-redshift Universe, revealing black holes (BHs) with masses of several million solar masses already at ,…
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…
Enhanced activity in close dual-AGN systems in the local Universe
Lorenzo Battistini, Alessandra De Rosa, Paola Severgnini +16
We present the study of an X-ray selected sample of active galactic nuclei (AGN) in pairs at projected spatial separations 1 </kpc < 100 at z < 0.1, using XMM-Newton and Chan…
Cosmic wallflowers: the circumgalactic origins of isolated ultra-compact star clusters at
Floor van Donkelaar, Lucio Mayer, Pedro R. Capelo +2
The discovery of gravitationally lensed stellar clusters at high redshift with the James Webb Space Telescope (JWST) has revealed extremely compact, massive star-forming systems in…