581 citations · 3.3k across the 30 of their papers we have counts for
30 papers
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…
High-redshift supermassive black hole mergers in simulations with dynamical friction modelling
Colin DeGraf, Nianyi Chen, Yueying Ni +4
In the near future, projects like LISA and Pulsar Timing Arrays are expected to detect gravitational waves from mergers between supermassive black holes, and it is crucial to preci…
Properties and Evolution of Dual and Offset AGN in the ASTRID Simulation at
Nianyi Chen, Tiziana Di Matteo, Yueying Ni +7
We examine the dual (both BHs active) and offset (one BH active) AGN population (comprising 2000 pairs at ) at in the AS…
An estimate of the stochastic gravitational wave background from the MassiveBlackII simulation
Bailey Sykes, Hannah Middleton, Andrew Melatos +3
A population of super-massive black hole binaries is expected to generate a stochastic gravitational wave background (SGWB) in the pulsar timing array (PTA) frequency range of $10^…
Massive Black Hole Mergers with Orbital Information: Predictions from the ASTRID Simulation
Nianyi Chen, Yueying Ni, A. Miguel Holgado +6
We examine massive black hole (MBH) mergers and their associated gravitational wave signals from the large-volume cosmological simulation Astrid. Astrid includes galaxy formation a…
The ASTRID simulation: the evolution of Supermassive Black Holes
Yueying Ni, Tiziana Di Matteo, Simeon Bird +6
We present the evolution of black holes (BHs) and their relationship with their host galaxies in Astrid, a large-volume cosmological hydrodynamical simulation with box size 250 $h^…
On the detectability of massive black hole merger eventsby LISA
Samuel Banks, Katharine Lee, Nazanin Azimi +5
The launch of space based gravitational wave (GW) detectors (e.g. Laser Interferometry Space Antenna; LISA) and current and upcoming Pulsar Timing Arrays (PTAs) will extend the GW…
Dynamical Friction Modeling of Massive Black Holes in Cosmological Simulations and Effects on Merger Rate Predictions
Nianyi Chen, Yueying Ni, Michael Tremmel +4
In this work we establish and test methods for implementing dynamical friction for massive black hole pairs that form in large volume cosmological hydrodynamical simulations which…
Resolving Disks & Mergers in Heavily Reddened Quasars and their Companion Galaxies with ALMA
Manda Banerji, Gareth C. Jones, Stefano Carniani +2
We present sub-arcsecond resolution ALMA imaging of the CO(3-2) emission in two heavily reddened quasars (HRQs) - ULASJ1234+0907 and ULASJ2315+0143 - and their companion…
Morphological evolution of supermassive black hole merger hosts and multimessenger signatures
Colin DeGraf, Debora Sijacki, Tiziana Di Matteo +3
With projects such as Laser Interferometer Space Antenna (LISA) and Pulsar Timing Arrays expected to detect gravitational waves from supermassive black hole mergers in the near fut…
Cosmological simulations of massive black hole seeds: predictions for next generation electromagnetic and gravitational wave observations
Colin DeGraf, Debora Sijacki
We study how statistical properties of supermassive black holes depend on the frequency and conditions for massive seed formation in cosmological simulations of structure formation…
The AGORA High-Resolution Galaxy Simulations Comparison Project. II: Isolated Disk Test
Ji-hoon Kim, Oscar Agertz, Romain Teyssier +40
Using an isolated Milky Way-mass galaxy simulation, we compare results from 9 state-of-the-art gravito-hydrodynamics codes widely used in the numerical community. We utilize the in…
Black hole clustering and duty cycles in the Illustris simulation
Colin DeGraf, Debora Sijacki
We use the high-resolution cosmological simulation Illustris to investigate the clustering of supermassive black holes across cosmic time, the link between black hole clustering an…
Giant Clumps in Simulated High-z Galaxies: Properties, Evolution and Dependence on Feedback
Nir Mandelker, Avishai Dekel, Daniel Ceverino +3
We study the evolution of giant clumps in high-z disc galaxies using AMR cosmological simulations at redshifts z=6-1. Our sample consists of 34 galaxies, of halo masses 10^{11}-10^…
The Confinement of Star-Forming Galaxies into a Main Sequence through Episodes of Gas Compaction, Depletion, and Replenishment
Sandro Tacchella, Avishai Dekel, C. Marcella Carollo +5
Using cosmological simulations, we address the properties of high-redshift star-forming galaxies (SFGs) across their main sequence (MS) in the plane of star-formation rate (SFR) ve…
Evolution of Density Profiles in High-z Galaxies: Compaction and Quenching Inside-Out
Sandro Tacchella, Avishai Dekel, C. Marcella Carollo +5
Using cosmological simulations, we address the interplay between structure and star formation in high-redshift galaxies via the evolution of surface density profiles. Our sample co…
Scaling relations between black holes and their host galaxies: comparing theoretical and observational measurements, and the impact of selection effects
Colin DeGraf, Tiziana Di Matteo, Tommaso Treu +3
We use the high-resolution simulation MassiveBlackII to examine scaling relations between black hole mass (MBH) and host galaxy properties (sigma, M*, and LV), finding good agreeme…
Compaction and Quenching of High-z Galaxies in Cosmological Simulations: Blue and Red Nuggets
Adi Zolotov, Avishai Dekel, Nir Mandelker +7
We use cosmological simulations to study a characteristic evolution pattern of high redshift galaxies. Early, stream-fed, highly perturbed, gas-rich discs undergo phases of dissipa…
Black hole growth and AGN feedback under clumpy accretion
Colin DeGraf, Avishai Dekel, Jared Gabor +1
High-resolution simulations of supermassive black holes in isolated galaxies have suggested the importance of short (~10 Myr) episodes of rapid accretion caused by interactions bet…
The MassiveBlack-II Simulation: The Evolution of Halos and Galaxies to z~0
Nishikanta Khandai, Tiziana Di Matteo, Rupert Croft +5
(Abridged for arXiv)We investigate the properties of halos, galaxies and blackholes to z=0 in the high resolution hydrodynamical simulation MassiveBlack-II (MBII) which evolves a L…
The z=5 Quasar Luminosity Function from SDSS Stripe 82
Ian D. McGreer, Linhua Jiang, Xiaohui Fan +12
We present a measurement of the Type I quasar luminosity function at z=5 using a large sample of spectroscopically confirmed quasars selected from optical imaging data. We measure…
The SDSS-III Baryon Oscillation Spectroscopic Survey: The Quasar Luminosity Function from Data Release Nine
Nicholas P. Ross, Ian D. McGreer, Martin White +39
We present a new measurement of the optical Quasar Luminosity Function (QLF), using data from the Sloan Digital Sky Survey-III: Baryon Oscillation Spectroscopic Survey (SDSS-III: B…
Growth of Early Supermassive Black Holes and the High-Redshift Eddington Ratio Distribution
Colin DeGraf, Tiziana Di Matteo, Nishikanta Khandai +1
Using a new large-scale (~ 0.75 Gpc)^3 hydrodynamic cosmological simulation we investigate the growth rate of supermassive black holes in the early universe (z > 4.75). Remarkably,…
The Formation of Galaxies Hosting z~6 Quasars
Nishikanta Khandai, Yu Feng, Colin DeGraf +2
We investigate the formation and properties of galaxies hosting z~6 quasars, in the gigaparsec scale cosmological hydrodynamical simulation: MassiveBlack, which includes a self-con…