Measurements of the absolute proper motions of M3 and its space motion.

Details Measurements of the absolute proper motions of M3 and its space motion. Measurements of the absolute proper motions of M3 and its space motion.

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000acasn..41..163w&link_type=abstract

Acta Astron. Sin., Vol. 41, No. 2, p. 163 - 171

Astronomy and Astrophysics

Astronomy

Globular Clusters: Proper Motions, Globular Clusters: Space Motion, Globular Clusters: Galactic Orbits

Scientific paper

The absolute proper motions of 534 stars in the region of about 1°5×1°5 around the cluster M3 are measured. The average absolute proper motion for the cluster of -0.3±0.3 mas/yr in R.A. and -3.1±0.3 mas/yr in Dec. is obtained. By combining the authors' results with the known distance and radial velocity of the cluster, its Galactic orbits in given three-component Galactic potentials are also obtained.

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