Observed radii and structural parameters of clusters in the SMC. II

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Astrometry, Astronomical Models, Globular Clusters, Magellanic Clouds, Star Clusters, Density Distribution, Milky Way Galaxy, Parameterization, Radii, Size Determination, Space Density, Tables (Data)

Scientific paper

The surface density profiles and the tidal radii have been found for 23 star clusters in the SMC, by means of star counts. The core radii concentration parameters were derived by fitting theoretical models. The masses of the {red} and {blue} clusters, compared to those of globular clusters of our own Galaxy, were found to be systematically 10 times less massive. The {blue} clusters seem to have a dynamical behaviour similar to the galactic globulars.

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