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Stellar Debris Streams: New Probes of Galactic Structure and Formation

Grillmair, Carl J. (2010) Stellar Debris Streams: New Probes of Galactic Structure and Formation. In: Galaxies and their Masks. Springer , New York, NY, pp. 247-260. ISBN 978-1-4419-7316-0.

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Stellar debris streams provide us with a powerful new means of probing the three-dimensional structure and evolution of the Galaxy. Fourteen “distant” halo streams have been discovered to date, and by their length and continuity, they demonstrate that such streams are long-lived structures. Being relatively nearby, we can accurately measure the positions and motions of individual stars in these streams and use them to construct a history of past accretion events and of the underlying potential field in which they orbit. We briefly discuss these streams and the insights they have given us to date. With the capabilities of new facilities coming on line or in development, we can look forward to an era of continued discovery and a much more detailed understanding of galactic structure and formation.

Item Type:Book Section
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Grillmair, Carl J.0000-0003-4072-169X
Additional Information:© 2010 Springer Science+Business Media, LLC. First Online: 22 September 2010.
Subject Keywords:Globular Cluster; Proper Motion; Dwarf Galaxy; Galactic Structure; Tidal Tail
Record Number:CaltechAUTHORS:20200603-080321087
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:103658
Deposited By: Tony Diaz
Deposited On:03 Jun 2020 16:10
Last Modified:03 Jun 2020 16:10

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