Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....103.1859b&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 103, no. 6, June 1992, p. 1859-1871. Research supported by CNPq of Brazil, Fundacao
Astronomy and Astrophysics
Astronomy
58
Magellanic Clouds, Star Clusters, Stellar Evolution, Ubv Spectra, Hertzsprung-Russell Diagram, Spatial Distribution, Star Distribution, Stellar Spectrophotometry
Scientific paper
The sample of star clusters in the LMC Bar region with integrated UBV photometry was enlarged by approximately a factor four, totaling 129 objects. The (B-V) histogram gap between blue and red clusters disappears with this deeper sample. Age groups in terms of equivalent SWB types were derived and their spatial distribution studied. Clusters younger than t about 200 Myr are not homogeneously distributed through the bar. In particular a strong star forming event at t about 100 Myr was detected in the eastern part of the Bar, consisting of a compact grouping of seven coeval clusters around NGC 2058 and NGC 2065. Also, 11 close pairs and two trios are analyzed, and the colors indicate that only four pairs are clearly not coeval.
Bica Eduardo
Claria Juan J.
Dottori Horacio
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