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Kinematics of Galactic Globular Clusters from Schmidt-Plate Astrometry

Published online by Cambridge University Press:  07 August 2017

R.-D. Scholz ,
S. Hirte ,
M.J. Irwin  and
M. Odenkirchen
R.-D. Scholz
Affiliation:
WIP Astronomie, Universität Potsdam, Germany
S. Hirte
Affiliation:
WIP Astronomie, Universität Potsdam, Germany
M.J. Irwin
Affiliation:
RGO Cambridge, England
M. Odenkirchen
Affiliation:
Sternwarte der Universität Bonn, Germany

Extract

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From measurements of Tautenburg Schmidt plates with the APM facility in Cambridge we obtained absolute proper motions of the Galactic globular clusters M 3 and M 92 directly with respect to large numbers of background galaxies (Scholz et al. 1993, 1994). We have extended our work to the dSphs in Draco and Ursa Minor (Scholz & Irwin 1994) and to other Galactic globular clusters using Tautenburg, Palomar and UK Schmidt plates. Combining our absolute proper motion of a cluster with its known radial velocity and distance (using common parameters of the solar motion) we derive the cluster orbit in the Galaxy (cf. Odenkirchen & Brosche 1992).

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 164: Stellar Populations , 1995 , pp. 405
Copyright
Copyright © Kluwer 1995 

References

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