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gptkbp:instanceOf
|
astronomer
|
|
gptkbp:address
|
3450 Massachusetts Avenue NW, Washington, D.C.
|
|
gptkbp:affiliatedWith
|
gptkb:Department_of_Defense
|
|
gptkbp:codename
|
IAU code 007
|
|
gptkbp:coordinates
|
38.9215°N 77.0669°W
|
|
gptkbp:country
|
gptkb:United_States
|
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gptkbp:director
|
Dr. Frank J. Cepollina (as of 2024)
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gptkbp:established
|
1830
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|
gptkbp:function
|
astronomical observations
navigation support
timekeeping
|
|
gptkbp:hasFacility
|
gptkb:Alternate_Master_Clock_(Colorado_Springs)
gptkb:Flagstaff_Station
|
|
gptkbp:hasTelescope
|
12-inch refractor
26-inch refractor
Equatorial telescope
|
|
gptkbp:historicalEvent
|
Development of time signals for navigation
Discovery of the moons of Mars
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Naval Observatory
|
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gptkbp:location
|
gptkb:Washington,_D.C.
|
|
gptkbp:notableBuilding
|
gptkb:Number_One_Observatory_Circle
|
|
gptkbp:notableResident
|
gptkb:President_of_the_United_States
|
|
gptkbp:officialName
|
gptkb:United_States_Naval_Observatory
|
|
gptkbp:operatedBy
|
gptkb:United_States_Navy
|
|
gptkbp:parentOrganization
|
gptkb:United_States_Department_of_the_Navy
|
|
gptkbp:provides
|
gptkb:astronomy
gptkb:Master_Clock_for_the_United_States
GPS timing
|
|
gptkbp:website
|
https://www.usno.navy.mil/
|
|
gptkbp:bfsParent
|
gptkb:U.S._Navy_Meteorology_and_Oceanography_Command
|
|
gptkbp:bfsLayer
|
6
|