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gptkbp:instanceOf
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gptkb:observatory
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gptkbp:collaboratesWith
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gptkb:LIGO_Scientific_Collaboration
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gptkbp:completed
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first direct detection of gravitational waves
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gptkbp:contributedTo
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multi-messenger astronomy
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gptkbp:hasEvents
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gptkb:GW190814
gptkb:GW190521
GW150914
GW170817
GW190425
GW170104
GW190412
GW170608
GW170817/GRB170817A
GW190517
GW190602
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gptkbp:hasGoals
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detect cosmic events
test general relativity
study neutron star collisions
explore the universe
study black hole mergers
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gptkbp:hasLength
|
4 kilometers
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gptkbp:hasPart
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gptkb:LIGO_Hanford_Observatory
gptkb:LIGO_Livingston_Observatory
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gptkbp:hasPublications
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LIGO_Scientific_Collaboration_papers
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gptkbp:hasTechnology
|
suspension systems
data analysis software
optical cavities
vacuum systems
input optics
output mode cleaner
seismic isolation
signal recycling
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|
https://www.w3.org/2000/01/rdf-schema#label
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Enhanced LIGO
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gptkbp:improves
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by a factor of 10
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gptkbp:is_funded_by
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gptkb:National_Science_Foundation
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gptkbp:location
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gptkb:Hanford,_Washington
gptkb:Livingston,_Louisiana
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gptkbp:operatedBy
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gptkb:California_Institute_of_Technology
gptkb:Massachusetts_Institute_of_Technology
|
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gptkbp:operationalStatus
|
2015
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gptkbp:recognizes
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gravitational waves
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gptkbp:successor
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gptkb:Advanced_LIGO
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gptkbp:uses
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laser interferometry
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