Origins and Interpretation of Tidal Debris

Chapter
Part of the Astrophysics and Space Science Library book series (ASSL, volume 420)

Abstract

The stellar debris structures that have been discovered around the Milky Way and other galaxies are thought to be formed from the disruption of satellite stellar systems—dwarf galaxies or globular clusters—by galactic tidal fields. The total stellar mass in these structures is typically tiny compared to the galaxy around which they are found, and it is hence easy to dismiss them as inconsequential. However, they are remarkably useful as probes of a galaxy’s history (as described in this chapter) and mass distribution (covered in a companion chapter in this volume). This power is actually a consequence of their apparent insignificance: their low contribution to the overall mass makes the physics that describes them both elegant and simple and this means that their observed properties are relatively easy to understand and interpret.

Keywords

Star Formation Stellar Population Dwarf Galaxy Eccentric Orbit Dark Matter Halo 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Notes

Acknowledgements

KVJ gratefully acknowledges David Hendel’s work in generating the simulations and related figures used in Sect. 6.3 of this chapter. KVJ thanks her postdocs and graduate students for invaluable discussions through out the year (Andrea Kuepper, Allyson Sheffield, Lauren Corlies, Adrian Price-Whelan, David Hendel and Sarah Pearson). Her work on this volume was supported in part by NSF grant AST-1312196.

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.Columbia UniversityNew YorkUSA

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