Ultraviolet colors as age indicators for LMC clusters

Details Ultraviolet colors as age indicators for LMC clusters Ultraviolet colors as age indicators for LMC clusters

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99.1124m&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 99, April 1990, p. 1124-1132.

Other

24

Galactic Evolution, Magellanic Clouds, Stellar Color, Ultraviolet Radiation, Dwarf Galaxies, Error Analysis, Galactic Nuclei, Interstellar Extinction, Iue

Scientific paper

Empirical correlations are found between log ages and the intrinsic ultraviolet colors for 27 LMC clusters. The problems and limitations of using these correlations as age indicators for LMC clusters and other stellar populations are discussed. The correlations are used to estimate the ages of two LMC clusters of unknown age (NGC 1968 and NGC 1974) and the nuclei of two nearby blue compact dwarf galaxies (NGC 1705 and NGC 5253). For the latter two objects optical- and ultraviolet-based age estimates are in good agreement.

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