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Constraining the Distribution of Dark Matter Lumps Around the Milky Way Using Tidal Debris

Published online by Cambridge University Press:  26 May 2016

Kathryn V. Johnston ,
David N. Spergel  and
Christian Haydn
Kathryn V. Johnston
Affiliation:
Van Vleck Observatory, Wesleyan University, Middletown, CT 06457
David N. Spergel
Affiliation:
Princeton University Observatory, Princeton, NJ 08544
Christian Haydn
Affiliation:
Van Vleck Observatory, Wesleyan University, Middletown, CT 06457

Abstract

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Dwarf galaxies that fall into the Milky Way's potential are tidally disrupted. Their tidal tails are one of the most powerful probes of the mass distribution in the Galaxy. If the distribution of dark matter in the Galaxy is lumpy, then these lumps will scatter stars in the stream and alter its shape. We describe our approach to using the tidal debris to constrain substructure in the Galaxy halo.

Type
Galactic Dynamics
Information
Symposium - International Astronomical Union , Volume 208: Astrophysical Supercomputing using Particle Simulations , 2003 , pp. 209 - 214
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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