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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…
The BlueTides Mock Image Catalogue: Simulated observations of high-redshift galaxies and predictions for JWST imaging surveys
Madeline A. Marshall, Katelyn Watts, Stephen Wilkins +7
We present a mock image catalogue of ~100,000 MUV=-22.5 to -19.6 mag galaxies at z=7-12 from the BlueTides cosmological simulation. We create mock images of each galaxy with the Ja…
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: Galaxy Formation and Reionization
Simeon Bird, Yueying Ni, Tiziana Di Matteo +3
We introduce the ASTRID simulation, a large-scale cosmological hydrodynamic simulation in a Mpc/h box with particles. ASTRID contains a large number of high…
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^…
The Impact of Dust on the Sizes of Galaxies in the Epoch of Reionization
Madeline A. Marshall, Stephen Wilkins, Tiziana Di Matteo +5
We study the sizes of galaxies in the Epoch of Reionization using a sample of ~100,000 galaxies from the BlueTides cosmological hydrodynamical simulation from z=7 to 11. We measure…
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…
Not all peaks are created equal: the early growth of Supermassive Black Holes
Yueying Ni, Tiziana Di Matteo, Yu Feng
In this work, we use the constrained Gaussian realization technique to study the early growth of supermassive black holes (SMBHs) in cosmological hydrodynamic simulations, explorin…
Mocking Faint Black Holes during Reionization
Marius B. Eide, Benedetta Ciardi, Yu Feng +1
To investigate the potential abundance and impact of nuclear black holes (BHs) during reionization, we generate a neural network that estimates their masses and accretion rates by…
QSO obscuration at high redshift (): Predictions from the BlueTides simulation
Yueying Ni, Tiziana Di Matteo, Roberto Gilli +3
High- AGNs hosted in gas rich galaxies are expected to grow through significantly obscured accretion phases. This may limit or bias their observability. In this work, we use \te…
The early growth of supermassive black holes in cosmological hydrodynamic simulations with constrained Gaussian realizations
Kuan-Wei Huang, Yueying Ni, Yu Feng +1
The paper examines the early growth of supermassive black holes (SMBHs) in cosmological hydrodynamic simulations with different BH seeding scenarios. Employing the constrained Gaus…
Nebular Line Emission During the Epoch of Reionization
Stephen M. Wilkins, Christopher C. Lovell, Ciaran Fairhurst +6
Nebular emission lines associated with galactic HII regions carry information about both physical properties of the ionised gas and the source of ionising photons as well as provid…
HOD modelling of high redshift galaxies using the BLUETIDES simulation
Aklant Kumar Bhowmick, Duncan Campbell, Tiziana DiMatteo +1
We construct halo occupation distribution (HOD) models of high redshift () galaxies with using the BlueTides hydrodynamic simulation suite,…
A tiny host galaxy for the first giant black hole: quasar in BlueTides
Ananth Tenneti, Stephen M. Wilkins, Tiziana Di Matteo +2
The most distant known quasar recently discovered by Bañados et al. (2018) is at (690 Myr after the Big Bang), at the dawn of galaxy formation. We explore the host galaxy o…
Gas outflows from the z= 7.54 quasar : predictions from the BlueTides Simulation
Yueying Ni, Tiziana Di Matteo, Yu Feng +2
Many theoretical models predict that quasar driven outflows account for the observed quenching of star formation in massive galaxies. There is growing observational evidence for qu…
BlueTides simulation: establishing black hole-galaxy relations at high-redshift
Kuan-Wei Huang, Tiziana Di Matteo, Aklant K. Bhowmick +2
The scaling relations between the mass of supermassive black holes () and host galaxy properties (stellar mass, , and velocity dispersion, ), provide a l…
Dust Obscured Star Forming Galaxies in the Early Universe
Stephen M. Wilkins, Yu Feng, Tiziana Di Matteo +3
Motivated by recent observational constraints on dust reprocessed emission in star forming galaxies at and above we use the very-large cosmological hydrodynamical simulat…
The descendants of the first quasars in the BlueTides simulation
Ananth Tenneti, Tiziana Di Matteo, Rupert Croft +2
Supermassive blackholes with masses of a billion solar masses or more are known to exist up to . However, the present-day environments of the descendants of first quasars is n…
The properties of the first galaxies in the BLUETIDES simulation
Stephen M. Wilkins, Yu Feng, Tiziana Di-Matteo +3
We employ the very large cosmological hydrodynamical simulation BLUETIDES to investigate the predicted properties of the galaxy population during the epoch of reionisation ().…
The origin of most massive black holes at high-z: BLUETIDES and the next quasar frontier
Tiziana Di Matteo, Rupert A. C. Croft, Yu Feng +2
The growth of the most massive black holes in the early universe, consistent with the detection of highly luminous quasars at implies sustained, critical accretion of materi…
Forecasts for the WFIRST High Latitude Survey using the BlueTides Simulation
Dacen Waters, Tiziana Di Matteo, Yu Feng +2
We use the BlueTides simulation to predict the properties of the high- galaxy and active galactic nuclei (AGN) populations for the planned 2200deg Wide-Field Infrared Survey…
The Photometric Properties of Galaxies in the Early Universe
Stephen M. Wilkins, Yu Feng, Tiziana Di-Matteo +5
We use the large cosmological hydro-dynamic simulation BlueTides to predict the photometric properties of galaxies during the epoch of reionisation (). These properties inc…
Monsters in the Dark: Predictions for Luminous Galaxies in the Early Universe from the BlueTides Simulation
Dacen Waters, Stephen Wilkins, Tiziana Di Matteo +3
Using deep Hubble and Spitzer observations Oesch et al. (2016) have identified a bright () star forming galaxy candidate at . The presence of G…
The Lyman-continuum photon production efficiency in the high-redshift Universe
Stephen M. Wilkins, Yu Feng, Tiziana Di Matteo +4
The Lyman Continuum photon production efficiency () is a critical ingredient for inferring the number of photons available to reionise the intergalactic medium. To est…