Category:Double stars
Here is a list of articles in the Double stars category of the Astronomy portal.
The set of double stars includes both optical double stars (aka optical doubles) and true binary stars (aka "physical double stars").
This subcategory page is only for listing optical double stars.
Physical double stars should go in the subcategory Binary stars. If a double star is known to have an optical component, or if it is not known to be physical, place it here.
Many stars have optical companions, and the set of criteria for what constitutes an optical double star is not clear-cut. It is suggested that editors determine whether or not stars should be added to this category by consulting the Washington Double Star Catalog or a similar authoritative catalog of double and multiple stars.
Pages in category "Double stars"
The following 50 pages are in this category, out of 250 total.
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