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Preferred Name

Proper motions
Definitions

The apparent motion of a star across the sky (not including a star's parallax), arising from the star's velocity through space with respect to the Sun. Proper motion is usually tabulated in star catalogs as changes in right ascension and declination per year or century.
ID

http://www.ivoa.net/rdf/uat#proper-motions
broader

http://www.ivoa.net/rdf/uat#stellar-motion
definition

The apparent motion of a star across the sky (not including a star's parallax), arising from the star's velocity through space with respect to the Sun. Proper motion is usually tabulated in star catalogs as changes in right ascension and declination per year or century.
exactMatch

http://astrothesaurus.org/uat/1295
prefLabel

Proper motions
related

http://www.ivoa.net/rdf/uat#time-domain-astronomy

http://www.ivoa.net/rdf/uat#position-angle
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