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Modelling the outskirts of galaxies in a cosmological context

Published online by Cambridge University Press:  21 March 2017

Andrew P. Cooper
Andrew P. Cooper*
Affiliation:
Institute for Computational Cosmology, Durham University Science Site, South Road, Durham, DH1 3LE, UK email: [email protected]
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Abstract

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Current data broadly support trends of galaxy surface brightness profile amplitude and shape with total stellar mass predicted by state-of-the-art ΛCDM cosmological simulations, although recent results show signs of interesting discrepancies, particularly for galaxies less massive than the Milky Way. Here I discuss how perhaps the largest contribution to such discrepancies can be inferred almost directly from how well a given model agrees with the observed present-day galaxy stellar mass function.

Keywords

galaxies: evolutiongalaxies: halosgalaxies: structuremethods: n-body simulations
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S321: Formation and Evolution of Galaxy Outskirts , March 2016 , pp. 69 - 71
Copyright
Copyright © International Astronomical Union 2017 

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