astrometric binary star
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astrometric binary star
(¦as·trə¦me·trik ′bī′ner·ē ′stär)
(astronomy) A binary star that may be distinguished from a single star only from the variable proper motion of one of its components.
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McGraw-Hill Science & Technology Dictionary
McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.
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