activity
20072018
most citedBaryonic Acoustic Oscillations in 21cm Emission: A Probe of Dark Energy out to High Redshifts

156 citations · 782 across the 20 of their papers we have counts for

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Showing astro-ph.COShow all

7 papers · 1 filter

astro-ph.CO2018★ 4 cited

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…

astro-ph.CO2017★ 74 cited

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…

astro-ph.CO2017★ 17 cited

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…

astro-ph.CO2015★ 28 cited

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…

astro-ph.CO2015★ 3 cited

Imaging HII Regions from Galaxies and Quasars During Reionisation with SKA

Stuart Wyithe, Paul M. Geil, Hansik Kim

The ionisation structure of the Intergalactic Medium (IGM) during reionisation is sensitive to the unknown galaxy formation physics that prevailed at that time. This structure intr…

astro-ph.CO2010★ 42 cited

Polarised foreground removal at low radio frequencies using rotation measure synthesis: uncovering the signature of hydrogen reionisation

Paul M. Geil, B. M. Gaensler, J. Stuart B. Wyithe

Measurement of redshifted 21-cm emission from neutral hydrogen promises to be the most effective method for studying the reionisation history of hydrogen and, indirectly, the first…

astro-ph.CO2009★ 15 cited

Modification of the 21-cm power spectrum by quasars during the epoch of reionisation

Paul M. Geil, J. Stuart B. Wyithe

We assess the effect of a population of high-redshift quasars on the 21-cm power spectrum during the epoch of reionisation. Our approach is to implement a semi-numerical scheme to…