Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:aperture |
20-inch
8-inch |
| gptkbp:builtBy |
gptkb:United_States_Naval_Observatory
|
| gptkbp:commissioned |
1963
|
| https://www.w3.org/2000/01/rdf-schema#label |
Double Astrograph
|
| gptkbp:locatedIn |
gptkb:United_States_Naval_Observatory
|
| gptkbp:usedFor |
astrometry
photographic sky surveys |
| gptkbp:usedIn |
USNO CCD Astrograph Catalog (UCAC)
|
| gptkbp:bfsParent |
gptkb:La_Plata_Astronomical_Observatory
|
| gptkbp:bfsLayer |
7
|