Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pazh...15..223e&link_type=abstract
Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 15, March 1989, p. 223-230. In Russian. In Russian. In Russian.
Astronomy and Astrophysics
Astronomy
3
Open Clusters, Star Clusters, Statistical Analysis, Milky Way Galaxy, Stellar Systems
Scientific paper
A cluster analysis method is used to study the combined galactic distribution of 361 open clusters, 53 OB associations, and 300 Cepheids. About 2/3 of these objects enter into nonrandom condensations (taxons) with characteristic dimensions of several hundred parsecs. In some cases, it is possible to combine neighboring taxons into systems with dimensions of about 1 kps or more. Traces of a common origin of the scattered clusters are preserved sometimes for more than 10 to the 9th yrs. A list of 53 taxons and 32 pairs of objects is presented.
Eujgenson A. M.
Yatsyk O. S.
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