264 citations · 1.6k across the 43 of their papers we have counts for
15 papers · 1 filter
Efficient Reionization in a Large Hydrodynamic Galaxy Formation Simulation
James E. Davies, Simeon Bird, Simon Mutch +5
Accuracy in the topology and statistics of a simulated Epoch of Reionization (EoR) are vital to draw connections between observations and physical processes. While full radiative t…
Thermal and Reionisation History within a Large-Volume Semi-Analytic Galaxy Formation Simulation
Sreedhar Balu, Bradley Greig, Yisheng Qiu +4
We predict the 21-cm global signal and power spectra during the Epoch of Reionisation using the MERAXES semi-analytic galaxy formation and reionisation model, updated to include X-…
Generating extremely large-volume reionisation simulations
Bradley Greig, J. Stuart B. Wyithe, Steven G. Murray +2
Preparing for the first detection of the cosmic 21-cm signal from large-scale interferometer experiments requires rigorous testing of the data analysis and reduction pipelines. To…
Dark-ages Reionization and Galaxy Formation Simulation XX. The Ly IGM transmission properties and environment of bright galaxies during the Epoch of Reionization
Yuxiang Qin, J. Stuart B. Wyithe, Pascal A. Oesch +4
The highly neutral inter-galactic medium (IGM) during the Epoch of Reionization (EoR) is expected to suppress Ly emission with damping-wing absorption, causing nearly no Ly d…
Exploring reionisation and high-z galaxy observables with recent multi-redshift MWA upper limits on the 21-cm signal
Bradley Greig, Cathryn M. Trott, Nichole Barry +4
We use the latest multi-redshift () upper limits on the 21-cm signal from the Murchison Widefield Array (MWA) to explore astrophysical models which are inconsistent with…
Dark-Ages Reionisation & Galaxy Formation Simulation XVI: The Thermal Memory of Reionisation
James E. Davies, Simon J. Mutch, Yuxiang Qin +3
Intergalactic medium temperature is a powerful probe of the epoch of reionisation, as information is retained long after reionisation itself. However, mean temperatures are highly…
Dark-ages Reionization and Galaxy Formation Simulation - XIV. Gas accretion, cooling and star formation in dwarf galaxies at high redshift
Yuxiang Qin, Alan R. Duffy, Simon J. Mutch +4
We study dwarf galaxy formation at high redshift () using a suite of high- resolution, cosmological hydrodynamic simulations and a semi-analytic model (SAM). We focus on gas…
Dark ages reionization & galaxy formation simulation XII: Bubbles at dawn
Paul M. Geil, Simon J. Mutch, Gregory B. Poole +3
Direct detection of regions of ionized hydrogen (HII) has been suggested as a promising probe of cosmic reionization. Observing the redshifted 21-cm signal of hydrogen from the epo…
Dark-ages Reionization and Galaxy Formation Simulation - X. The small contribution of quasars to reionization
Yuxiang Qin, Simon J. Mutch, Gregory B. Poole +6
Motivated by recent measurements of the number density of faint AGN at high redshift, we investigate the contribution of quasars to reionization by tracking the growth of central s…
Dark-ages Reionization & Galaxy Formation Simulation VIII. Suppressed growth of dark matter halos during the Epoch of Reionization
Yuxiang Qin, Alan R. Duffy, Simon J. Mutch +5
We investigate how the hydrostatic suppression of baryonic accretion affects the growth rate of dark matter halos during the Epoch of Reionization. By comparing halo properties in…
Dark-ages reionization & galaxy formation simulation V: morphology and statistical signatures of reionization
Paul M. Geil, Simon J. Mutch, Gregory B. Poole +4
We use the Dark-ages, Reionization And Galaxy-formation Observables from Numerical Simulations (DRAGONS) framework to investigate the effect of galaxy-formation physics on the morp…
The Gigaparsec WiggleZ Simulations: Characterising scale dependant bias and associated systematics in growth of structure measurements
Gregory B. Poole, Chris Blake, Felipe A. Marin +7
We use the Gigaparsec WiggleZ (GiggleZ) simulations to characterise galaxy bias and its scale dependence for a range of redshifts and halo masses in a standard LCDM cosmology. A…
The simplest model of galaxy formation I: A formation history model of galaxy stellar mass growth
Simon J. Mutch, Darren J. Croton, Gregory B. Poole
We introduce a simple model to self-consistently connect the growth of galaxies to the formation history of their host dark matter haloes. Our model is defined by two simple functi…
Constraining the last 7 billion years of galaxy evolution in semi-analytic models
Simon J. Mutch, Gregory B. Poole, Darren J. Croton
We investigate the ability of the Croton et al. (2006) semi-analytic model to reproduce the evolution of observed galaxies across the final 7 billion years of cosmic history. Using…
The mid-life crisis of the Milky Way and M31
Simon J. Mutch, Darren J. Croton, Gregory B. Poole
Upcoming next generation galactic surveys, such as GAIA and HERMES, will deliver unprecedented detail about the structure and make-up of our Galaxy, the Milky Way, and promise to r…