Globular cluster kinematics with Gaia

Baumgardt, Holger and Kroupa, Pavel (2005). Globular cluster kinematics with Gaia. In: Michael Perryman, Catherine Turon and Karen O'Flaherty, Proceedings of the Symposium: The Three-Dimensional Universe with Gaia. The Three Dimensional Universe with Gaia. Gaia ou l'Univers en 3D, Meudon, Paris, France, (681-682). 4-7 October 2004.

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Name Description MIMEType Size Downloads
Author Baumgardt, Holger
Kroupa, Pavel
Title of paper Globular cluster kinematics with Gaia
Conference name The Three Dimensional Universe with Gaia. Gaia ou l'Univers en 3D
Conference location Meudon, Paris, France
Conference dates 4-7 October 2004
Proceedings title Proceedings of the Symposium: The Three-Dimensional Universe with Gaia   Check publisher's open access policy
Journal name ESA - SP   Check publisher's open access policy
Place of Publication Noordwijk, Netherlands
Publisher ESTEC
Publication Year 2005
Sub-type Fully published paper
ISBN 9789290928874
ISSN 0379-6566
Editor Michael Perryman
Catherine Turon
Karen O'Flaherty
Volume 576
Issue 576
Start page 681
End page 682
Total pages 2
Language eng
Formatted Abstract/Summary
With a targeted accuracy of 10 μas yr−1 at V=15 mag, Gaia will be able to determine the space motions of most galactic globular clusters with an accuracy of a few km s−1 or better. This will dramatically improve our knowledge of how globular clusters evolve and how they and the Milky Way as a whole have formed. It will also be possible to follow tidal streams from dissolving clusters over many orbits by kinematically selecting their members, which will constrain the form of the galactic potential and give important insights into the nature of dark matter.

We illustrate how Gaia will improve our knowledge on the kinematics and dynamics of globular clusters and what can be learned by comparing the observational data from Gaia with the results of large scale NBODY simulations, possible with e.g., GRAPE6 or the future GRAPE8 computers.
Keyword Astrometry
Methods : numerical
Globular clusters : general
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Presented during Session 6: "The Galaxy and Beyond", Oral Contributions. Publication date: January 2005.

Document type: Conference Paper
Collections: School of Mathematics and Physics
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