Small, faint clusters in the LMC

Details Small, faint clusters in the LMC Small, faint clusters in the LMC

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....96.1625k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 96, Nov. 1988, p. 1625-1631. Research supported by the General Secretariat of Resear

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19

Globular Clusters, Magellanic Clouds, Open Clusters, Star Clusters, Density Distribution, Irregular Galaxies, Milky Way Galaxy, Star Distribution, Stellar Evolution, Stellar Magnitude

Scientific paper

A large number of small, faint clusters (93), not cataloged before, are detected in three regions of the LMC bar. The dynamical parameters for 13 of these clusters were measured by means of starcounts. Another sample of ten small, faint clusters located at the LMC periphery were also measured for comparison. The tidal radii and total masses of both groups have shown that these clusters are the smallest globulars detected so far in this galaxy. For four of these central clusters, B, V photographic photometry gives evidence that their ages range from 1.4×108 to 1×109yr. The dynamical studies have shown that the reference relaxation times range from 4×106 to 3×107yr, proving that the small, faint clusters in the LMC are dynamically relaxed.

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