United States Naval Observatory, Washington, D.C.
E34411
The United States Naval Observatory in Washington, D.C. is a historic scientific and military facility known for its astronomical research, precise timekeeping, and role as the official residence of the U.S. vice president.
Aliases (3)
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy facility
→
astronomical observatory → scientific research institution → |
| affiliation |
United States Naval Observatory Flagstaff Station
→
|
| architecturalStyle |
19th-century institutional architecture
→
|
| contributesTo |
Coordinated Universal Time
→
International Celestial Reference Frame → |
| coordinates |
approximately 38.921°N 77.066°W
→
|
| country |
United States of America
→
|
| employs |
astronomers
→
civilian staff → engineers → military personnel → physicists → |
| hasFunction |
astronomical research
→
ephemeris production → geodesy → navigation support → reference frame determination → standard time dissemination → support of civilian positioning and timing systems → support of military operations → timekeeping → |
| hasPart |
Number One Observatory Circle
→
Vice President’s Residence → administrative offices → main observatory building → telescope domes → time service facilities → |
| headquartersLocation |
Washington, D.C.
→
|
| heritageStatus |
historic site
→
|
| inception |
1830
→
|
| jurisdiction |
District of Columbia
→
|
| knownFor |
astronomical observations
→
maintaining U.S. official time scale → precise timekeeping → production of astronomical almanacs → supporting GPS timing → |
| locatedIn |
Northwest Washington, D.C.
→
Washington, D.C. → |
| locatedOn |
Massachusetts Avenue NW
→
|
| mainBuildingMaterial |
brick
→
|
| near |
Embassy Row, Washington, D.C.
→
|
| operatedBy |
United States Navy
→
|
| originalName |
Depot of Charts and Instruments
→
|
| ownedBy |
United States Navy
→
|
| partOf |
U.S. Department of Defense
→
United States government → |
| produces |
U.S. Naval Observatory Master Clock
→
astronomical almanacs → ephemerides for celestial bodies → star catalogs → |
| renamedAs |
United States Naval Observatory
→
|
| significantEvent |
relocation to current Washington, D.C. site in the late 19th century
→
|
| streetAddress |
3450 Massachusetts Avenue NW, Washington, D.C.
→
|
| usedAs |
official residence of the Vice President of the United States
→
|
| uses |
Very Long Baseline Interferometry
→
atomic clocks → optical telescopes → radio telescopes → |
Referenced by (11)
| Subject (surface form when different) | Predicate |
|---|---|
|
Admiral's House
("U.S. Naval Observatory")
→
Vice President's Residence ("United States Naval Observatory") → |
partOf |
|
Glover Park
("United States Naval Observatory")
→
|
adjacentTo |
|
Admiral's House
("U.S. Naval Observatory")
→
|
associatedWith |
|
Simon Newcomb
("United States Naval Observatory")
→
|
employer |
|
Number One Observatory Circle
("United States Naval Observatory")
→
|
locatedIn |
|
Embassy of France in Washington, D.C.
("United States Naval Observatory")
→
|
locatedNear |
|
VPOTUS
→
|
officialResidenceLocation |
|
Massachusetts Avenue NW
("Naval Observatory")
→
|
passesNear |
|
United States Naval Observatory
("United States Naval Observatory")
→
|
renamedAs |
|
Vice President of the United States
("United States Naval Observatory")
→
|
residenceLocation |