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Galaxy morphology, kinematics and clustering in a hydrodynamic simulation of a LambdaCDM universe
Rupert A. C. Croft, Tiziana Di Matteo, Volker Springel +1
We explore galaxy properties and their link with environment and clustering using a population of ~1000 galaxies formed in a high resolution hydrodynamic simulation of the Lambda C…
SPHRAY: A Smoothed Particle Hydrodynamics Ray Tracer for Radiative Transfer
Gabriel Altay, Rupert A. C. Croft, Inti Pelupessy
We introduce SPHRAY, a Smoothed Particle Hydrodynamics (SPH) ray tracer designed to solve the 3D, time dependent, radiative transfer (RT) equations for arbitrary density fields. Th…
On the Search for Quasar Light Echoes
Eli Visbal, Rupert A. C. Croft
The UV radiation from a quasar leaves a characteristic pattern in the distribution of ionized hydrogen throughout the surrounding space. This pattern or light echo propagates throu…
Radiation-induced large-scale structure during the reionization epoch: the autocorrelation function
Rupert A. C. Croft, Gabriel Altay
The structures produced during the epoch of reionization by the action of radiation on neutral hydrogen are in principle different to those that arise through gravitational growth…
Constraining quasar host halo masses with the strength of nearby Lyman-alpha forest absorption
Young-Rae Kim, Rupert Croft
Using cosmological hydrodynamic simulations we measure the mean transmitted flux in the Lyman alpha forest for quasar sightlines that pass near a foreground quasar. We find that th…
The Influence of Large-Scale Structure on Halo Shapes and Alignments
G. Altay, J. M. Colberg, R. A. C. Croft
Alignments of galaxy clusters (the Binggeli effect), as well as of galaxies themselves have long been studied both observationally and theoretically. Here we test the influence of…