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Mass modelling from stellar streams in the Milky Way

Published online by Cambridge University Press:  10 April 2015

Amina Helmi  and
Robyn E. Sanderson
Amina Helmi
Affiliation:
Kapteyn Astronomical Institute, University of Groningen, P.O.Box 800, 9700 AV Groningen, The Netherlands. email: [email protected]
Robyn E. Sanderson
Affiliation:
Kapteyn Astronomical Institute, University of Groningen, P.O.Box 800, 9700 AV Groningen, The Netherlands. email: [email protected] Columbia University Department of Astronomy, Mail Code 5246, 550 W 120th St, New York, NY 10027. email: [email protected] NSF Astronomy & Astrophysics Postdoctoral Fellow
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Arguably two of the most important questions in Astrophysics today are: what is the Universe made of? and, how do galaxies form and evolve? Quite astonishingly we know only the properties of < 5% of the mass in the Universe (the atoms we are made of), while the nature of the dominant mass component (the dark matter) remains elusive. However, because of its abundance, dark matter is a significant driver of both the dynamics of stars and galaxies and of their formation and evolution.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Issue S311: Galaxy Masses as Constraints of Formation Models , July 2014 , pp. 11 - 15
Copyright
Copyright © International Astronomical Union 2015 

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