Astrophysics (index)about

astrometric binary

(binary star system detected by observing the movement of a star)

An astrometric binary is a binary star system where one of the stars cannot be seen but the other one can be seen moving as if in orbit, i.e., through astrometry.

It is one of a number binary-star classes based upon how the star is determined to be binary. Others:

(star type,binary star type,astrometry)

Referenced by:
binary star
eclipsing binary
spectroscopic binary
spectrum binary
visual binary