143 citations · 2.5k across the 80 of their papers we have counts for
81 papers
Winds Against Alignment: AGN Feedback and the Spin Evolution of Massive Black Hole Binaries
Francesco Bollati, Marta Volonteri, Alessandro Lupi +2
The interaction between massive black hole (MBH) binaries and circumbinary discs (CBDs) affects the spin orientations of merging binaries - a key observable for the future LISA mis…
Spacetime in motion: an evolving relativistic binary black hole metric for GIZMO
Giacomo Fedrigo, Alessandro Lupi, Alessia Franchini +1
The last evolutionary stages of massive black hole binaries prior to coalescence is dominated by the emission of gravitational waves, which will be probed by the future Laser Inter…
Fast premerger detection of massive black-hole binaries in LISA based on time-frequency excess power
Francesco Nobili, Malvina Bellotti, Riccardo Buscicchio +2
The Laser Interferometer Space Antenna is expected to observe gravitational waves from massive black hole binaries across cosmic time. Many are anticipated to be detectable hours t…
The LISA Astrophysics "Disc-IMRI" Code Comparison Project: Intermediate-Mass-Ratio Binaries in AGN-Like Discs
Andrea Derdzinski, Alexander J. Dittmann, Alessia Franchini +16
Upcoming space-based gravitational wave detectors such as LISA, the Laser Interferometer Space Antenna, will be sensitive to extreme- and intermediate-mass-ratio inspirals (EMRIs a…
Suppressed "lump" EM signature in radiation pressure dominated accreting massive black hole binaries
Fabiola Cocchiararo, Alessia Franchini, Alessandro Lupi +1
We investigate the impact of radiation pressure on electromagnetic signatures of accreting massive black hole binaries (MBHBs) at milli-parsec separations, using 3D hyper-Lagrangia…
X-ray investigation of possible super-Eddington accretion in a radio-loud quasar at
L. Ighina, A. Caccianiga, T. Connor +19
We present radio and X-ray observations of the recently discovered radio-powerful quasar RACS J032021.44352104.1 using uGMRT, ATCA, LBA, and Chandra. The observed radio…
Identifying massive black hole binaries via light curve variability in optical time-domain surveys
Alfredo Chiesa, David Izquierdo-Villalba, Alberto Sesana +5
Accreting massive black hole binaries (MBHBs) often display periodic variations in their emitted radiation, providing a distinctive signature for their identification. In this work…
Radiation pressure role in accreting massive black hole binaries
Fabiola Cocchiararo, Alessia Franchini, Alessandro Lupi +1
We investigate the impact of radiation pressure on the circumbinary discs surrounding accreting massive black hole binaries (MBHBs) at milli-parsec separations, using 3D hyper-Lagr…
Super-Eddington accretion in protogalactic cores
Tommaso Zana, Pedro R. Capelo, Mairo Boresta +6
The presence of massive black holes (BHs) exceeding already at redshift challenges standard models of BH growth. Super-Eddington (SE) accretion has…
A novel sub-grid model for super-Eddington accretion of spinning black holes in galaxy-scale simulations
Wei-Bo Kao, Pedro R. Capelo, Elia Cenci +3
Super-Eddington accretion has been proposed to explain the existence of black holes (BHs) with masses exceeding a billion solar masses within the first billion years after the Big…
Episodic super-Eddington accretion as a clue to Overmassive Black Holes in the early Universe
Alessandro Trinca, Rosa Valiante, Raffaella Schneider +7
Early JWST observations are providing growing evidence for a ubiquitous population of accreting supermassive black holes (BHs) at high redshift, many of which appear overmassive co…
SIEGE III: The formation of dense stellar clusters in sub-parsec resolution cosmological simulations with individual star feedback
F. Calura, R. Pascale, O. Agertz +10
Star clusters stand at the crossroads between galaxies and single stars. Resolving the formation of star clusters in cosmological simulations represents an ambitious and challengin…
Gas-induced perturbations on the gravitational wave in-spiral of live post-Newtonian LISA massive black hole binaries
Mudit Garg, Alessia Franchini, Alessandro Lupi +2
We investigate the effect of dynamically coupling gas torques with gravitational wave (GW) emission during the orbital evolution of an equal-mass massive black hole binary (MBHB).…
An effective model for the tidal disruption of satellites undergoing minor mergers with axisymmetric primaries
Ludovica Varisco, Massimo Dotti, Matteo Bonetti +2
According to the hierarchical formation paradigm, galaxies form through mergers of smaller entities and massive black holes (MBHs), if lurking at their centers, migrate to the nucl…
Supermassive black hole formation via collisions in black hole clusters
Benjamin Gaete, Dominik R. G. Schleicher, Alessandro Lupi +3
More than 300 supermassive black holes have been detected at redshifts larger than 6, and they are abundant in the centers of local galaxies. Their formation mechanisms, however, a…
The AGORA High-resolution Galaxy Simulations Comparison Project. VI. Similarities and Differences in the Circumgalactic Medium
Clayton Strawn, Santi Roca-Fàbrega, Joel R. Primack +26
We analyze the circumgalactic medium (CGM) for eight commonly-used cosmological codes in the AGORA collaboration. The codes are calibrated to use identical initial conditions, cosm…
Electromagnetic signatures from accreting massive black hole binaries in time domain photometric surveys
Fabiola Cocchiararo, Alessia Franchini, Alessandro Lupi +1
We study spectral and time variability of accreting massive black hole binaries (MBHBs) at milli-pc separations surrounded by a geometrically thin circumbinary disc. We present the…
The Santa Barbara Binary-Disk Code Comparison
Paul C. Duffell, Alexander J. Dittmann, Daniel J. D'Orazio +13
We have performed numerical calculations of a binary interacting with a gas disk, using eleven different numerical methods and a standard binary-disk setup. The goal of this study…
Emission signatures from sub-pc Post-Newtonian binaries embedded in circumbinary discs
Alessia Franchini, Matteo Bonetti, Alessandro Lupi +1
We study the dynamical evolution of quasi-circular equal mass massive black hole binaries embedded in circumbinary discs from separations of down to the merger,…
Sustained super-Eddington accretion in high-redshift quasars
Alessandro Lupi, Giada Quadri, Marta Volonteri +2
Observations of quasars provide information on the early evolution of the most massive black holes (MBHs) and galaxies. Current observations, able to trace both gas a…
On the connection between AGN radiative feedback and massive black hole spin
Francesco Bollati, Alessandro Lupi, Massimo Dotti +1
We present a novel implementation for active galactic nucleus (AGN) feedback through ultra-fast winds in the code gizmo. Our feedback recipe accounts for the angular dependence of…
Massive Black Holes in Galactic Nuclei
David Izquierdo-Villalba, Alessandro Lupi, John Regan +2
Massive black holes are key inhabitants of the nuclei of galaxies. Moreover, their astrophysical relevance has gained significant traction in recent years, thanks especially to the…
Shaping the unseen: the influence of baryons and environment on low-mass, high-redshift dark matter haloes in the SIEGE simulations
R. Pascale, F. Calura, A. Lupi +7
We use zoom-in, hydrodynamical, cosmological -body simulations tracing the formation of the first stellar clumps from the SImulating the Environments where Globular clusters Eme…
A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE): JWST Reveals a Filamentary Structure around a z=6.61 Quasar
Feige Wang, Jinyi Yang, Joseph F. Hennawi +56
We present the first results from the JWST ASPIRE program (A SPectroscopic survey of biased halos In the Reionization Era). This program represents an imaging and spectroscopic sur…