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Shapes of Magellanic Cloud star clusters

Published online by Cambridge University Press:  19 July 2016

E. Kontizas ,
M. Kontizas ,
G. Sedmak  and
R. Smareglia
E. Kontizas
Affiliation:
Laboratory for Astronomy and Solar Physics, NASA Goddard Space Flight Centre, Greenbelt, MD 2077, USA
M. Kontizas
Affiliation:
Laboratory for Astronomy and Solar Physics, NASA Goddard Space Flight Centre, Greenbelt, MD 2077, USA
G. Sedmak
Affiliation:
Osservatorio Astronomico di Trieste, Via Tiepolo 11, Trieste 34131, Italy
R. Smareglia
Affiliation:
Osservatorio Astronomico di Trieste, Via Tiepolo 11, Trieste 34131, Italy

Abstract

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The ellipticities of the most populous MC star clusters (87) have been derived for studying a) ellipticity variations within individual clusters, b) variations of ellipticity distributions for various galaxies, and c) variations of ellipticity of star clusters relative to their dynamical parameters.

From the studied clusters it is found that radial ellipticity variations within individual clusters seem to be a common phenomenon for the MC clusters where the inner parts are more elliptical than the outer. The SMC clusters are more elliptical than LMC clusters where ellipticities are measured at rh.

The dynamical masses of the clusters seem to correlate with ellipticities where the most massive are the most elliptical.

Type
Star Formation and Clustering
Information
Symposium - International Astronomical Union , Volume 148: The Magellanic Clouds , 1991 , pp. 234 - 235
Copyright
Copyright © Kluwer 1991 

References

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