The absolute proper motion of M3 and its galactic orbit.

Details The absolute proper motion of M3 and its galactic orbit. The absolute proper motion of M3 and its galactic orbit.

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999pyuno....s.327w&link_type=abstract

Publications of the Yunnan Observatory, Suppl. 1999, p. 327 - 331

Computer Science

Globular Clusters: Proper Motions, Globular Clusters: Galactic Orbits, Globular Clusters: Membership

Scientific paper

The authors have obtained the absolute proper motion of globular cluster M3 from measurements of 14 plates taken with the 40 cm refractor at Sheshan station of Shanghai Observatory, spanning epoch is about 80 years. The absolute proper motions of 534 stars in the region of about 1°5×1°5 around the cluster M3 are determined. With the new data of proper motions, the membership probabilities of the stars are determined. Combining the results with the known distance and radial velocity of the cluster, the authors obtained its space motions and galactic orbits in two different three-component galactic potentials.

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