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University of Cambridge > Talks.cam > Galaxies Discussion Group > Properties of dark subhaloes from gaps in tidal streams
Properties of dark subhaloes from gaps in tidal streamsAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Martin Haehnelt. In the LCDM paradigm, Milky Way-like galaxies should be surrounded by hundreds of thousands of subhaloes. Many of these subhaloes will be unable to form stars but are still dense enough to survive deep in the potential of their host. Measuring the properties of these subhaloes will provide a key test of LCDM and will put constraints on WDM and more exotic theories. In this talk, I will discuss how the presence and properties of these dark subhaloes can be inferred from their effect on tidal streams. Assuming observational errors of ongoing and future surveys, I will show that in the near future it will be possible to constrain these dark subhaloes down to a mass of 10^7 Msun. This talk is part of the Galaxies Discussion Group series. This talk is included in these lists:
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