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Radial Velocity Study of NGC 6712

Published online by Cambridge University Press:  19 July 2016

J. Grindlay ,
C. Bailyn ,
R. Mathieu  and
D. Latham
J. Grindlay
Affiliation:
Harvard/Smithsonian Center for Astrophysics
C. Bailyn
Affiliation:
Harvard/Smithsonian Center for Astrophysics
R. Mathieu
Affiliation:
Harvard/Smithsonian Center for Astrophysics
D. Latham
Affiliation:
Harvard/Smithsonian Center for Astrophysics

Abstract

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We report MMT Echelle radial velocity observations of 52 giants within 3 core radii of the center of NGC 6712. The mean radial velocity of these stars is −107.5 km/s, with a line of sight velocity dispersion of 4.0 km/s. We use these data, together with CCD photometry of the cluster, to derive a mass to light ratio for the center of the cluster of 0.7, an unusually low value.

Type
Chapter X. Poster Papers on Formation and Evolution of Globular Clusters
Information
Symposium - International Astronomical Union , Volume 126: The Harlow-Shapley Symposium on Globular Cluster Systems in Galaxies , 1988 , pp. 659 - 660
Copyright
Copyright © Kluwer 1988 

References

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