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The filling factor of intergalactic metals at redshift z=3
C. M. Booth, Joop Schaye, J. D. Delgado +1
Observations of quasar absorption line systems reveal that the z=3 intergalactic medium (IGM) is polluted by heavy elements down to HI optical depths tau_HI<<10. What is not yet cl…
The rates and modes of gas accretion on to galaxies and their gaseous haloes
Freeke van de Voort, Joop Schaye, C. M. Booth +2
(Abridged) We study the rate at which gas accretes onto galaxies and haloes and investigate whether the accreted gas was shocked to high temperatures before reaching a galaxy. For…
Gas expulsion by quasar-driven winds as a solution to the over-cooling problem in galaxy groups and clusters
Ian G. McCarthy, Joop Schaye, Richard G. Bower +4
Galaxy groups are not scaled down versions of massive galaxy clusters - the hot gas in groups (known as the intragroup medium, IGrM for short) is, on average, less dense than the i…
Absorption signatures of warm-hot gas at low redshift: OVI
Thorsten Tepper-Garcia, Philipp Richter, Joop Schaye +4
We investigate the origin and physical properties of OVI absorbers at low redshift (z = 0.25) using a subset of cosmological, hydrodynamical simulations from the OverWhelmingly Lar…
The enrichment history of cosmic metals
Robert P. C. Wiersma, Joop Schaye, Claudio Dalla Vecchia +3
We use a suite of cosmological, hydrodynamical simulations to investigate the chemical enrichment history of the Universe. Specifically, we trace the origin of the metals back in t…
Towards an understanding of the evolution of the scaling relations for supermassive black holes
C. M. Booth, Joop Schaye
The growth of the supermassive black holes (BHs) that reside at the centres of most galaxies is intertwined with the physical processes that drive the formation of the galaxies the…