B/wds		The Washington Visual Double Star Catalog (Mason+ 2001-2010) ReadMe    Similar Catalogues If the WDS and associated databases were helpful for your research work, the following acknowledgement would be appreciated: "This research has made use of the Washington Double Star Catalog maintained at the U.S. Naval Observatory"
			(c)The Washington Double Star Catalog (main part) (106091 rows)
			The Washington Double Star Catalog (notes) (17773 rows)
			Discoverer names and references (8613 rows)
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			(c)  indicates tables which contain celestial coordinates