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Physical constraints on the central mass and baryon content of satellite galaxies
Martin Stringer, Shaun Cole, Carlos Frenk
Recent analysis of the Milky Way's satellite galaxies reveals that these objects share a common central mass density, even though their luminosities range over five orders of magni…
Grand unification of AGN activity in the LambdaCDM cosmology
N. Fanidakis, C. M. Baugh, A. J. Benson +4
We track the co-evolution of supermassive black holes (SMBHs) and their host galaxies. The calculation is embedded in the GALFORM semi-analytical model which simulates the formatio…
Galaxy and Mass Assembly (GAMA): Optimal Tiling of Dense Surveys with a Multi-Object Spectrograph
Aaron Robotham, S. P. Driver, P. Norberg +23
A heuristic greedy algorithm is developed for efficiently tiling spatially dense redshift surveys. In its first application to the Galaxy and Mass Assembly (GAMA) redshift survey w…
Galaxy And Mass Assembly (GAMA): The input catalogue and star-galaxy separation
I. K. Baldry, A. S. G. Robotham, D. T. Hill +24
We describe the spectroscopic target selection for the Galaxy And Mass Assembly (GAMA) survey. The input catalogue is drawn from the Sloan Digital Sky Survey (SDSS) and UKIRT Infra…
Galactic stellar haloes in the CDM model
A. P. Cooper, S. Cole, C. S. Frenk +9
We present six simulations of galactic stellar haloes formed by the tidal disruption of accreted dwarf galaxies in a fully cosmological setting. Our model is based on the Aquarius…
Predictions for Herschel from LambdaCDM: unveiling the cosmic star formation history
C. G. Lacey, C. M. Baugh, C. S. Frenk +5
We use a model for the evolution of galaxies in the far-IR based on the LambdaCDM cosmology to make detailed predictions for upcoming cosmological surveys with the Herschel Space O…
The properties of satellite galaxies in simulations of galaxy formation
Takashi Okamoto, Carlos S. Frenk, Adrian Jenkins +1
We investigate the properties of satellite galaxies in cosmological N-body/SPH simulations of galaxy formation in Milky Way-sized haloes. Because of their shallow potential wells,…
The role of black holes in galaxy formation and evolution
A. Cattaneo, S. M. Faber, J. Binney +14
Virtually all massive galaxies, including our own, host central black holes ranging in mass from millions to billions of solar masses. The growth of these black holes releases vast…
Galaxies-Intergalactic Medium Interaction Calculation --I. Galaxy formation as a function of large-scale environment
Robert A. Crain, Tom Theuns, Claudio Dalla Vecchia +11
[Abridged] We present the first results of hydrodynamical simulations that follow the formation of galaxies to z=0 in spherical regions of radius ~20 Mpc/h drawn from the Millenniu…
Modelling the dusty universe I: Introducing the artificial neural network and first applications to luminosity and colour distributions
C. Almeida, C. M. Baugh, C. G. Lacey +4
We introduce a new technique based on artificial neural networks which allows us to make accurate predictions for the spectral energy distributions (SEDs) of large samples of galax…
The search for decaying Dark Matter
J. W. den Herder, A. Boyarsky, O. Ruchayskiy +15
We propose an X-ray mission called Xenia to search for decaying superweakly interacting Dark Matter particles (super-WIMP) with a mass in the keV range. The mission and its observa…
The angular momentum of cold dark matter haloes with and without baryons
Philip Bett, Vincent Eke, Carlos S. Frenk +2
We investigate the magnitude and internal alignment of the angular momentum of cold dark matter haloes in simulations with and without baryons. We analyse the cumulative angular mo…
Modelling galaxy clustering: Is new physics needed in galaxy formation models?
Han Seek Kim, C. M. Baugh, S. Cole +2
The clustering amplitude of galaxies depends on their intrinsic luminosity. We compare the properties of publicly available galaxy formation models with clustering measurements fro…
How common is the Milky Way - satellite system alignment?
Noam I Libeskind, Carlos S Frenk, Shaun Cole +2
The highly flattened distribution of satellite galaxies in the Milky Way presents a number of puzzles. Firstly, its polar alignment stands out from the planar alignments commonly f…
Understanding the Astrophysics of Galaxy Evolution: the role of spectroscopic surveys in the next decade
Eric Bell, Marc Davis, Arjun Dey +24
Over the last decade optical spectroscopic surveys have characterized the low redshift galaxy population and uncovered populations of star-forming galaxies back to z ~ 7. This work…
Effects of Dark Matter Substructures on Gravitational Lensing: Results from the Aquarius Simulations
D. D. Xu, S. Mao, J. Wang +7
We use high-resolution Aquarius simulations of Milky Way-sized haloes in the LCDM cosmology to study the effects of dark matter substructures on gravitational lensing. Each halo is…