Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26as...91..487g&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 91, no. 3, Dec. 1991, p. 487-495.
Astronomy and Astrophysics
Astrophysics
8
Globular Clusters, Stellar Motions, Ultraviolet Radiation, Color-Magnitude Diagram, Star Distribution, Stellar Evolution
Scientific paper
Positions and proper motions of 165 stars in the field of the globular cluster M 12 (NGC 6218) have been determined using 20 plates covering a time interval of about 85 years. Membership probability for each star was derived from the proper motions. These data show a good segregation of cluster and field stars. For ten of the 13 UV-bright stars the proper motion membership result agrees with conclusions from radial velocities as given by Harris et al. (1983).
Geffert Michael
Georgiev Ts. B.
Le Campion Jean-Francois
Tucholke Hans-Joachim
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