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Subhaloes gone Notts: the clustering properties of subhaloes
Arnau Pujol, Enrique Gaztanaga, Carlo Giocoli +13
We present a study of the substructure finder dependence of subhalo clustering in the Aquarius Simulation. We run 11 different subhalo finders on the haloes of the Aquarius Simulat…
Sussing Merger Trees: The Merger Trees Comparison Project
Chaichalit Srisawat, Alexander Knebe, Frazer R. Pearce +15
Merger trees follow the growth and merger of dark-matter haloes over cosmic history. As well as giving important insights into the growth of cosmic structure in their own right, th…
Brighter galaxy bias: underestimating the velocity dispersions of galaxy clusters
L. Old, M. E. Gray, F. R. Pearce
We study the systematic bias introduced when selecting the spectroscopic redshifts of brighter cluster galaxies to estimate the velocity dispersion of galaxy clusters from both sim…
Modelling the Growth of Supermassive Black Holes in Cosmological Simulations
Stuart I. Muldrew, Frazer R. Pearce, Chris Power
There is strong evidence that supermassive black holes reside in all galaxies that contain a stellar spheroid and their mass is tightly correlated with properties such as stellar b…
Measures of Galaxy Environment - III. Difficulties in identifying proto-clusters at z ~ 2
Genevieve M. Shattow, Darren J. Croton, Ramin A. Skibba +3
Galaxy environment is frequently discussed, but inconsistently defined. It is especially difficult to measure at high redshift where only photometric redshifts are available. With…
Streams Going Notts: The tidal debris finder comparison project
Pascal J. Elahi, Jiaxin Han, Hanni Lux +6
While various codes exist to systematically and robustly find haloes and subhaloes in cosmological simulations (Knebe et al., 2011, Onions et al., 2012), this is the first work to…