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astrometric binary

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noun Astronomy.

a binary star that can be recognized as such because of its undulating proper motion.

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Origin of astrometric binary

First recorded in 1975–80

Words nearby astrometric binary

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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Scientific definitions for astrometric binary

astrometric binary
[ ăs′trə-mĕtrĭk ]

See under binary star.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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