Concept information
Preferred term
Optical double 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. (en)
Broader concept
- Optical observation (en)
Entry terms
- Optical doubles (en)
Scope note
- Use only for pair in chance alignment; refer also to visual binary stars (en)
Editorial note
URI
http://astrothesaurus.org/uat/1165
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