Proper motions

alt label
Stellar spatial motions
dcterms modified equal to or less than 2020-11-03T20:35:46.612Zequal to or more than 2020-11-03T20:35:46.612Z
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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.
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contributor AAS_Frey.Katie_Admin original