Dynamical parameters of 43 old and young clusters in the SMC

Details Dynamical parameters of 43 old and young clusters in the SMC Dynamical parameters of 43 old and young clusters in the SMC

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...131...58k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 131, no. 1, Feb. 1984, p. 58-62.

Astronomy and Astrophysics

Astrophysics

25

Galactic Clusters, Magellanic Clouds, Star Clusters, Mass Distribution, Mass To Light Ratios, Open Clusters, Relaxation Time

Scientific paper

The tidal radii, masses, relaxation times, and the M/L ratios of 43 star clusters in the SMC have been derived by means of star counts on plates taken with the 1.2 m U.K. Schmidt Telescope in Australia. The clusters of the SMC can be divided into two main categories: (1) the disc, blue and intermediate in colour, young objects and (2) the halo "red" old clusters. The disc clusters are more massive and older than the galactic open clusters whereas the halo objects are less massive and younger than the galactic globular clusters. The density profiles show that both groups are well relaxed systems.

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