335 citations · 3.5k across the 72 of their papers we have counts for
74 papers
The Connection Between the Growth of Massive Black Holes and Their Dynamical Histories
Lee A. Whitaker, Michael Tremmel, Angelo Ricarte +1
Massive black holes (MBHs) grow through both gas accretion and mergers and it remains unclear how variations to MBH growth and dynamical histories contribute to the spread in empir…
Hierarchical Black Hole Mergers at High Redshift: Predictions for LISA and LGWA from SEEDZ
Daxal H. Mehta, Lewis R. Prole, John A. Regan +13
We investigate the hierarchical assembly of black holes (BHs) in the early Universe using the next-generation SEEDZ cosmological zoom-in simulations. Our suite follows two independ…
SEEDZ: Rapid Galaxy Assembly as a Pathway to Supermassive Stars, Dense Stellar Environments and Massive Black Hole Seeds
Lewis R. Prole, John A. Regan, Daxal Mehta +14
We investigate the assembly history of early galaxies in the SEEDZ hydrodynamic simulations, to investigate the high inflow rates believed to be required for the formation of super…
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…
Black Hole Feedback, Galaxy Quenching and Outflows at Cosmic Dawn: Analysis of the SEEDZ Simulations
Lewis R. Prole, John A. Regan, Daxal Mehta +13
Here we analyse the growth and feedback effects of massive black holes (MBHs) in the SEEDZ simulations. The most massive black holes grow to masses of M by $z=…
The SEEDZ Simulations: Methodology and First Results on Massive Black Hole Seeding and Early Galaxy Growth
Lewis R. Prole, John A. Regan, Daxal Mehta +13
Here we introduce the SEEDZ simulations, a suite of cosmological hydrodynamic simulations exploring the formation and growth of the first massive black holes in the Universe. SEEDZ…
Dwarf diversity in CDM with baryons
Akaxia Cruz, Alyson Brooks, Mariangela Lisanti +7
Observed rotation curves of dwarf galaxies exhibit significant diversity at fixed halo mass, challenging galaxy formation within the Cold Dark Matter (CDM) model. Previous cosmolog…
The Merger-Driven Formation of Classical Low Surface Brightness Galaxies in Romulus25
Anna C. Wright, Alyson M. Brooks, Michael Tremmel +3
We use the Romulus25 cosmological simulation volume to study a large sample of late-type gas-rich galaxies with low central surface brightnesses known as classical low surface brig…
An Accurate Modeling of Nano-hertz Gravitational Wave Signal from Eccentric Supermassive Binary Black Holes: An Essential Step Toward a Robust Discovery
Mohit Raj Sah, Akash Maurya, Suvodip Mukherjee +7
The stochastic gravitational wave background (SGWB) in the nanohertz (nHz) regime, detectable by pulsar timing arrays (PTAs), provides a promising probe of the cosmic population of…
Intermediate Mass Ratio Inspirals in Milky Way Galaxies
Jillian Bellovary, Yuantong Luo, Thomas Quinn +3
A consequence of a non-zero occupation fraction of massive black holes (MBHs) in dwarf galaxies is that these MBHs can become residents of larger galaxy halos via hierarchical merg…
Signatures of Massive Black Hole Merger Host Galaxies from Cosmological Simulations II: Unique Stellar Kinematics in Integral Field Unit Spectroscopy
Jaeden Bardati, John J. Ruan, Daryl Haggard +2
Secure methods for identifying the host galaxies of individual massive black hole (MBH) binaries and mergers detected by gravitational wave experiments such as LISA and Pulsar Timi…
Imprints of Supermassive Black Hole Evolution on the Spectral and Spatial Anisotropy of Nano-Hertz Stochastic Gravitational-Wave Background
Mohit Raj Sah, Suvodip Mukherjee, Vida Saeedzadeh +3
The formation and evolution of supermassive black holes (SMBHs) remains an open question in the field of modern cosmology. The detection of nanohertz (n-Hz) gravitational waves via…
Dual AGNs: Precursors of Binary Supermassive Black Hole Formation and Mergers
Vida Saeedzadeh, Arif Babul, Suvodip Mukherjee +3
The presence of dual active galactic nuclei (AGN) on scales of a few tens of kpc can be used to study merger-induced accretion on supermassive black holes (SMBHs) and offer insight…
Shining Light on the Hosts of the Nano-Hertz Gravitational Wave Sources: A Theoretical Perspective
Vida Saeedzadeh, Suvodip Mukherjee, Arif Babul +2
The formation of supermassive black holes (SMBHs) in the Universe and its role in the properties of the galaxies is one of the open questions in astrophysics and cosmology. Though,…
Dynamics of supermassive black hole triples in the ROMULUS25 cosmological simulation
Hauke Koehn, Andreas Just, Peter Berczik +1
For a pair of supermassive black holes (SMBHs) in the remnant of a dual galaxy merger, well-known models exist to describe their dynamical evolution until the final coalescence acc…
Signatures of Massive Black Hole Merger Host Galaxies from Cosmological Simulations I: Unique Galaxy Morphologies in Imaging
Jaeden Bardati, John J. Ruan, Daryl Haggard +1
Low-frequency gravitational wave experiments such as the Laser Interferometer Space Antenna and pulsar timing arrays are expected to detect individual massive black hole (MBH) bina…
An Enhanced Massive Black Hole Occupation Fraction Predicted in Cluster Dwarf Galaxies
Michael Tremmel, Angelo Ricarte, Priyamvada Natarajan +3
The occupation fraction of massive black holes (MBHs) in dwarf galaxies offers interesting insights into initial black hole seeding mechanisms and their mass assembly history, thou…
The Scatter Matters: Circumgalactic Metal Content in the Context of the Relation
N. Nicole Sanchez, Jessica K. Werk, Charlotte Christensen +6
The interaction between supermassive black hole (SMBH) feedback and the circumgalactic medium (CGM) continues to be an open question in galaxy evolution. In our study, we use SPH s…
Cool and gusty, with a chance of rain: Dynamics of multiphase CGM around massive galaxies in the Romulus simulations
Vida Saeedzadeh, S. Lyla Jung, Douglas Rennehan +8
Using high-resolution {\sc Romulus} simulations, we explore the origin and evolution of the circumgalactic medium (CGM) in the region 0.1 $\leq \mathrm{R}/\mathrm{R}_\mathrm{500} \…
The Role of Mass and Environment on Satellite distributions around Milky Way analogs in the Romulus25 simulation
Jordan Van Nest, Ferah Munshi, Charlotte Christensen +3
We study satellite counts and quenched fractions for satellites of Milky Way analogs in Romulus25, a large-volume cosmological hydrodynamic simulation. Depending on the definition…
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…
Can Cosmological Simulations Reproduce the Spectroscopically Confirmed Galaxies Seen at ?
B. W. Keller, F. Munshi, M. Trebitsch +1
Recent photometric detections of extreme redshift galaxies from the JWST have been shown to be in strong tension with existing simulation models for galaxy formation, and…
AGN quenching in simulated dwarf galaxies
Ray S. Sharma, Alyson M. Brooks, Michael Tremmel +2
We examine the quenching characteristics of isolated dwarf galaxies within the \Rom{} cosmological hydrodynamic simula…
A vast population of wandering and merging IMBHs at cosmic noon
Tiziana Di Matteo, Yueying Ni, Nianyi Chen +5
Massive black holes in the centers of galaxies today must have grown by several orders of magnitude from seed black holes formed at early times. Detecting a population of intermedi…