Binary stars
type: Concept
related: Optical double stars

Optical observation
type: Concept
narrower: Optical double stars

Optical double stars
type: Concept
scope note: Use only for pair in chance alignment; refer also to visual binary stars
contributor: AAS Frey.Katie Admin
related: Binary stars
definition: A pair of stars that lie close to each other in the sky by chance, but are not physically associated, in contrast to a true binary star.
broader: Optical observation
alternative label: Optical doubles
modified: 2020-12-04T14:58:14.297Z
modified: 2020-11-03T19:55:54.214Z