We present the first simulated galaxy clusters (M200 > 1014 M⊙) with both self-interacting dark matter (SIDM) and baryonic physics. They exhibit a greater...
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PublicationThe diverse density profiles of galaxy clusters with self-interacting dark matter plus baryons
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PublicationThe effect of baryons on the inner density profiles of rich clusters
We use the `Evolution and assembly of galaxies and their environments' (EAGLE) cosmological simulation to investigate the effect of baryons on the density...
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PublicationThe effect of tides on the Fornax dwarf spheroidal galaxy
Estimates of the mass distribution and dark-matter (DM) content of dwarf spheroidal galaxies (dSphs) are usually derived under the assumption that the effect of...
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TalkThe emergence of Low Surface Brightness Galaxies
Low Surface Brightness galaxies are extremely dark matter dominated, faint objects hardly distinguishable from the night sky. In the last decade it has became...
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TalkThe ESO VISTA telescope and the VISTA Hemisphere Survey
Survey operations with the VISTA telescope with it wide field near IR camera started in Feb 2010, following a science verification phase that started in Oct...
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NewsThe Euclid telescope takes off to explore the dark universe
The Euclid mission of the European Space Agency (ESA) will be launched into space tomorrow, 1st July to make the largest and most precise 3D map of the Universe...
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PublicationThe First Billion Years project: dark matter haloes going from contraction to expansion and back again
We study the effect of baryons on the inner dark matter profile of the first galaxies using the First Billion Years simulation between z = 16 and 6 before...
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PublicationThe Galaxy "Missing Dark Matter" NGC 1052-DF4 is Undergoing Tidal Disruption
The existence of long-lived galaxies lacking dark matter represents a challenge to our understanding of how galaxies form. Here, we present evidence that...
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PublicationThe Ghost of a Dwarf Galaxy: Fossils of the Hierarchical Formation of the Nearby Spiral Galaxy NGC 5907
We present an extragalactic perspective of an extended stellar tidal stream wrapping around the edge-on spiral galaxy NGC 5907. Our deep images reveal for the...