KAGRA gravitational-wave detector

E717889
gravitational-wave observatory laser interferometer underground observatory

The KAGRA gravitational-wave detector is a large-scale underground interferometer in Japan that uses cryogenically cooled mirrors to detect ripples in spacetime from cosmic events.

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Observed surface forms (3)

Surface form Occurrences
KAGRA 2
KAGRA Collaboration 2
KAGRA gravitational wave detector 1

Statements (50)

Predicate Object
instanceOf gravitational-wave observatory ⓘ
laser interferometer ⓘ
underground observatory ⓘ
abbreviation LCGT NERFINISHED ⓘ
alsoKnownAs KAGRA NERFINISHED ⓘ
Large-scale Cryogenic Gravitational Wave Telescope NERFINISHED ⓘ
armLength 3 km ⓘ
collaboration KAGRA Collaboration NERFINISHED ⓘ
configuration Michelson interferometer with Fabry–Pérot arm cavities ⓘ
constructionStart 2010 ⓘ
coolingMethod cryogenic cooling with sapphire mirrors ⓘ
country Japan ⓘ
designedBy KAGRA Collaboration NERFINISHED ⓘ
feature cryogenically cooled test masses ⓘ
input and output mode cleaners ⓘ
power-recycling mirror ⓘ
signal-recycling mirror ⓘ
suspended mirrors ⓘ
underground tunnels for seismic noise reduction ⓘ
vacuum system in interferometer arms ⓘ
firstObservationRunParticipation O3 (joint run with LIGO and Virgo, late phase) NERFINISHED ⓘ
firstOperation 2016 ⓘ
fundingSource Japanese government NERFINISHED ⓘ
Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan NERFINISHED ⓘ
hostInstitution University of Tokyo NERFINISHED ⓘ
locatedIn Kamioka mine NERFINISHED ⓘ
locatedUndergroundDepth approximately 200 m ⓘ
location Kamioka, Gifu Prefecture, Japan NERFINISHED ⓘ
namedAfter Kamioka Gravitational Wave Detector (KAmioka GRAvitational wave) NERFINISHED ⓘ
noiseReductionStrategy seismic isolation ⓘ
thermal noise reduction via cryogenics ⓘ
numberOfArms 2 ⓘ
operator High Energy Accelerator Research Organization (KEK) NERFINISHED ⓘ
Institute for Cosmic Ray Research, University of Tokyo NERFINISHED ⓘ
National Astronomical Observatory of Japan NERFINISHED ⓘ
partnerDetector GEO600 NERFINISHED ⓘ
LIGO NERFINISHED ⓘ
Virgo NERFINISHED ⓘ
partOfNetwork global network of gravitational-wave detectors ⓘ
predecessorName LCGT project NERFINISHED ⓘ
region Hida region, Gifu Prefecture NERFINISHED ⓘ
researchOutput gravitational-wave data for astrophysical analysis ⓘ
scienceGoal detection of gravitational waves ⓘ
multi-messenger astronomy with gravitational waves ⓘ
observation of compact binary coalescences ⓘ
study of neutron star equation of state ⓘ
tests of general relativity ⓘ
scientificDiscipline experimental physics ⓘ
gravitational-wave astronomy ⓘ
testMassMaterial sapphire ⓘ

Referenced by (6)

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

ICRR → collaboratesOn → KAGRA gravitational-wave detector ⓘ
this entity surface form: KAGRA gravitational wave detector
LIGO (Laser Interferometer Gravitational-Wave Observatory) → collaboratesWith → KAGRA gravitational-wave detector ⓘ
subject surface form: LIGO
this entity surface form: KAGRA
LIGO Scientific Collaboration → collaboratesWith → KAGRA gravitational-wave detector ⓘ
this entity surface form: KAGRA Collaboration
Virgo Collaboration → collaboratesWith → KAGRA gravitational-wave detector ⓘ
this entity surface form: KAGRA Collaboration
Kamioka Observatory, Gifu Prefecture, Japan → hasExperiment → KAGRA gravitational-wave detector ⓘ
subject surface form: Kamioka Observatory
this entity surface form: KAGRA
Kamioka Observatory, Gifu Prefecture, Japan → knownFor → KAGRA gravitational-wave detector ⓘ
subject surface form: Kamioka Observatory