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Absolute Proper Motions and Space Velocities of Globular Clusters

Published online by Cambridge University Press:  19 July 2016

H. -J. Tucholke ,
P. Brosche  and
M. Geffert
H. -J. Tucholke
Affiliation:
Observatorium Hoher List University of Munster
P. Brosche
Affiliation:
Observatorium Hoher List
M. Geffert
Affiliation:
Observatorium Hoher List

Abstract

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Proper motions of globular clusters referred to extragalactic background objects provide absolute proper motions leading to space velocities. Some results from the Bonn Observatory proper motion program for galactic globular clusters are shown. Reference stars from the Lick program linked to galaxies are used. Low orbital angular momenta for NGC 4147, NGC 5466 and NGC 6218 were detected. In a further program, proper motions of 47 Tuc and NGC 362 are currently being measured relative to the background of the SMC.

Type
Chapter VII. Poster Papers on Harlow Shapley and Globular Clusters in the Milky Way
Information
Symposium - International Astronomical Union , Volume 126: The Harlow-Shapley Symposium on Globular Cluster Systems in Galaxies , 1988 , pp. 525 - 526
Copyright
Copyright © Kluwer 1988 

References

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