Moving star clusters in the solar neighborhood

Details Moving star clusters in the solar neighborhood Moving star clusters in the solar neighborhood

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995azh....72..495o&link_type=abstract

Astronomicheskij Zhurnal, vol. 72, p. 495

Physics

11

Solar Neighborhood, Star Clusters, Stellar Motions, Astronomical Catalogs, Velocity Distribution, Tables (Data), Stellar Physics, Algorithms

Scientific paper

Two cluster analysis algorithms, the principal star method and hierarchical clustering, are used to identify moving star clusters in the velocity space in a sample of 1947 single and multiple stars in the close solar neighborhood with space velocities taken from the Gliese and Jahreiss catalog. Five rich moving clusters have been identified at a high confidence level. These clusters contain from 30 to 40 stars whose velocities do not differ by more than 6 km/s from the centroid velocity. Rich moving clusters include about 10 percent of all stars with known space velocities.

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