Category:Double stars
From Infogalactic: the planetary knowledge core
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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 there is no clear-cut criterion for what constitutes a double star. 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 catalog of double and multiple stars.
Double stars are not the same as binary stars.
Pages in category "Double stars"
The following 109 pages are in this category, out of 109 total.
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