Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:astronomer
|
| gptkbp:dataFieldsInclude |
gptkb:position
gptkb:stellar_classification separation notes magnitude discoverer designation observation date position angle proper motion |
| gptkbp:firstPublished |
1960s
|
| gptkbp:focusesOn |
double stars
|
| gptkbp:fullName |
gptkb:Washington_Double_Star_Catalogue
|
| gptkbp:maintainedBy |
gptkb:United_States_Naval_Observatory
|
| gptkbp:numberOfRooms |
over 100,000
|
| gptkbp:provides |
multiple star systems
optical double stars physical double stars visual double stars |
| gptkbp:updated |
regularly
|
| gptkbp:usedBy |
gptkb:astronomer
|
| gptkbp:usedFor |
stellar evolution studies
astrometry research on binary stars |
| gptkbp:website |
https://www.usno.navy.mil/USNO/astrometry/optical-IR-prod/wds/wds.html
|
| gptkbp:bfsParent |
gptkb:Bellatrix
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
WDS Catalogue
|