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Imprints of evolution on the internal kinematics of Globular Clusters

Published online by Cambridge University Press:  11 March 2020

Laura L. Watkins Open the ORCID record for Laura L. Watkins [Opens in a new window] ,
Roeland P. van der Marel ,
Andrea Bellini Open the ORCID record for Andrea Bellini [Opens in a new window] ,
Mattia Libralato Open the ORCID record for Mattia Libralato [Opens in a new window]  and
Jay Anderson
Laura L. Watkins
Affiliation:
Department of Astrophysics, University of Vienna, Türkenschanzstraße 17, 1180Vienna, Austria email: [email protected] European Southern Observatory, Karl-Schwarzschild-Str. 2, 85748Garching bei München, Germany
Roeland P. van der Marel
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, BaltimoreMD21218, USA
Andrea Bellini
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, BaltimoreMD21218, USA
Mattia Libralato
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, BaltimoreMD21218, USA
Jay Anderson
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, BaltimoreMD21218, USA
Rights & Permissions [Opens in a new window]

Abstract

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Globular clusters are collisional systems, meaning that the stars inside them interact on timescales much shorter than the age of the Universe. These frequent interactions transfer energy between stars and set up observable trends that tell the story of a cluster’s evolution. This contribution focuses on what we can learn by studying velocity anisotropy and energy equipartition in globular clusters with Hubble Space Telescope proper motions.

Keywords

astrometryglobular clusters: generalstars: kinematicsstellar dynamics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S351: Star Clusters: From the Milky Way to the Early Universe , May 2019 , pp. 544 - 548
Copyright
© International Astronomical Union 2020

References

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