United States Naval Observatory, Washington, D.C.

E34411

United States Navy facility astronomical observatory scientific research institution

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.

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All labels observed (5)

Label	Occurrences
United States Naval Observatory	19
U.S. Naval Observatory	3
United States Naval Observatory, Washington, D.C. canonical	2
Naval Observatory	1
USNO Time Service Department	1

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 Earth Rotation and Reference Systems Service ⓘ surface form: 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 ⓘ surface form: 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	Department of Defense ⓘ surface form: 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, Washington, D.C. self-link ⓘ surface form: 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 (26)

Full triples — surface form annotated when it differs from this entity's canonical label.

VPOTUS → officialResidenceLocation → United States Naval Observatory, Washington, D.C. ⓘ

Number One Observatory Circle → locatedIn → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

Massachusetts Avenue NW → passesNear → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: Naval Observatory

Simon Newcomb → employer → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

VP → residenceLocation → United States Naval Observatory, Washington, D.C. ⓘ

subject surface form: Vice President of the United States

this entity surface form: United States Naval Observatory

United States Naval Observatory, Washington, D.C. → renamedAs → United States Naval Observatory, Washington, D.C. self-link ⓘ

subject surface form: United States Naval Observatory

this entity surface form: United States Naval Observatory

Admiral's House → partOf → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: U.S. Naval Observatory

Admiral's House → associatedWith → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: U.S. Naval Observatory

Embassy of France in Washington, D.C. → locatedNear → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

Vice President's Residence → partOf → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

Glover Park → adjacentTo → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

United States Naval Observatory grounds → operatedBy → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

United States Naval Observatory grounds → contains → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

Newcomb → employer → United States Naval Observatory, Washington, D.C. ⓘ

subject surface form: Simon Newcomb

this entity surface form: United States Naval Observatory

Newcomb tables of the Sun, Mercury, Venus, and Mars → developedBy → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

Tables of the Four Inner Planets → associatedWith → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: U.S. Naval Observatory

Depot of Charts and Instruments → predecessorOf → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

Depot of Charts and Instruments → successor → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

Depot of Charts and Instruments → reorganizedAs → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

U.S. Naval Observatory Master Clock → operator → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

U.S. Naval Observatory Master Clock → location → United States Naval Observatory, Washington, D.C. ⓘ

U.S. Naval Observatory Master Clock → maintainedBy → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: USNO Time Service Department

Embassy Row, Washington, D.C. → extendsToward → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

United States Naval Observatory Flagstaff Station → operator → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

United States Naval Observatory Flagstaff Station → partOf → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory

Observatory Circle → hasLandmark → United States Naval Observatory, Washington, D.C. ⓘ

this entity surface form: United States Naval Observatory