The two stars share a common proper motion and hence are probably gravitationally bound to each other.

This is an association of stars that share a common motion through space and have been claimed to be physically associated.

This system is a member of a moving group of at least nine stars that share a common motion through space.

"The sensors will measure common human motions and turn them into actions," he predicted.

All the stars of this group share a roughly common motion through space, although they are not gravitationally bound.

The two stars share a common motion through space and hence most likely form a binary star system.

The other is likely associated gravitationally with the primary, as determined by their common proper motion.

This is a set of stars that share a common motion through space, which suggests they originated together.

This relies on the fact that the stars of a cluster share a common motion through space.

The two stars show common proper motion, indicating they may be gravitationally bound.