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Building Blocks of the Milky Way's Stellar Halo

Published online by Cambridge University Press:  09 May 2016

Pim van Oirschot ,
Else Starkenburg ,
Amina Helmi  and
Gijs Nelemans
Pim van Oirschot
Affiliation:
Department of Astrophysics/IMAPP, Radboud University Nijmegen, P.O. Box 9010, 6500 GL Nijmegen, The Netherlands, email: [email protected]
Else Starkenburg
Affiliation:
Leibniz-Institut fur Astrophysik Potsdam, An der Sternwarte 16, D-14482 Potsdam, Germany
Amina Helmi
Affiliation:
Kapteyn Astronomical Institute, University of Groningen, P.O. Box 800, 9700 AV, Groningen, The Netherlands
Gijs Nelemans
Affiliation:
Department of Astrophysics/IMAPP, Radboud University Nijmegen, P.O. Box 9010, 6500 GL Nijmegen, The Netherlands, email: [email protected] Institute for Astronomy, KU Leuven, Celestijnenlaan 200D, 3001 Leuven, Belgium
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Abstract

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We study the assembly history of the stellar halo of Milky Way-like galaxies using the six high-resolution Aquarius dark matter simulations combined with the Munich-Groningen semi-analytic galaxy formation model. Our goal is to understand the stellar population contents of the building blocks of the Milky Way halo, including their star formation histories and chemical evolution, as well as their internal dynamical properties. We are also interested in how they relate or are different from the surviving satellite population. Finally, we will use our models to compare to observations of halo stars in an attempt to reconstruct the assembly history of the Milky Way's stellar halo itself.

Keywords

Galaxy: haloGalaxy: evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Issue S317: The General Assembly of Galaxy Halos: Structure, Origin and Evolution , August 2015 , pp. 373 - 374
Copyright
Copyright © International Astronomical Union 2016 

References

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