Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997balta...6..343p&link_type=abstract
Baltic Astronomy, vol. 6, p. 343
Astronomy and Astrophysics
Astronomy
1
Star Clusters, Astronomical Catalogs, Open Clusters, Globular Clusters, Stellar Spectrophotometry, Star Distribution, International Cooperation, Stellar Systems, Astronomical Photometry, Metallicity
Scientific paper
Since 1988 the Astronomical Observatory of the Ural State University has been taking part in compiling the Supplements to the Catalog of Star Clusters and Associations (CSCA), in cooperation with our colleagues from Czechoslovakia and Hungary. The new Supplements contain detailed, and often numerical, information about star clusters on the following subjects: photometric and spectroscopic observations; angular and linear sizes; color-magnitude diagram morphology and features; interstellar extinction; masses, ages, metallicities, and their distributions; spatial, kinematic, and dynamical parameters; stellar population (spectral types, peculiar objects, masers, IR and X-ray sources, variable stars, and membership probabilities); and association with gas, dust, dark clouds, and emission nebulae. The number of clusters for which we have homogeneous metallicities is twice as large as that in Lynga's Catalogue of Open Clusters (1987). (Abstract only).
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