GW150914
E730519
GW150914 is the first directly detected gravitational-wave signal, produced by the merger of two stellar-mass black holes and marking the beginning of gravitational-wave astronomy.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
LIGO detection
ⓘ
astrophysical event ⓘ binary black hole merger ⓘ |
| announcedOn | 2016-02-11 ⓘ |
| catalogName | GW150914 NERFINISHED ⓘ |
| componentSpins | low ⓘ |
| dataRelease | publicly available ⓘ |
| detectedAt |
LIGO Hanford Observatory
NERFINISHED
ⓘ
LIGO Livingston Observatory NERFINISHED ⓘ |
| discoveredBy |
LIGO Scientific Collaboration
NERFINISHED
ⓘ
Virgo Collaboration NERFINISHED ⓘ |
| distanceFromEarth | about 1.3 billion light-years ⓘ |
| falseAlarmProbability | less than 1 in 200000 ⓘ |
| generalRelativityConsistent | yes ⓘ |
| hasDiscoveryMethod | direct gravitational-wave detection ⓘ |
| hasEventDate | 2015-09-14 ⓘ |
| hasPhases |
inspiral
ⓘ
merger ⓘ ringdown ⓘ |
| hasPolarizations |
cross polarization
ⓘ
plus polarization ⓘ |
| hasProgenitor | binary system of stellar-mass black holes ⓘ |
| hasSignificance |
beginning of gravitational-wave astronomy
ⓘ
first direct detection of gravitational waves ⓘ first observed binary black hole merger ⓘ |
| hostGalaxyLocation | unknown ⓘ |
| inspiralTimeInBand | about 0.2 seconds ⓘ |
| luminosityPeak | about 3.6×10^49 watts ⓘ |
| namedAfter | gravitational wave and date 2015-09-14 ⓘ |
| observatoryNetwork | Advanced LIGO NERFINISHED ⓘ |
| paperTitle | Observation of Gravitational Waves from a Binary Black Hole Merger NERFINISHED ⓘ |
| primaryBlackHoleMass | about 36 solar masses ⓘ |
| publicationDate | 2016-02-11 ⓘ |
| publishedIn | Physical Review Letters NERFINISHED ⓘ |
| radiatedEnergy |
about 3 solar masses c^2
ⓘ
about 5×10^47 joules ⓘ |
| redshift | about 0.09 ⓘ |
| remnantBlackHoleMass | about 62 solar masses ⓘ |
| secondaryBlackHoleMass | about 29 solar masses ⓘ |
| signalDuration | 0.2 seconds ⓘ |
| signalFrequencyRange | 35–250 Hz ⓘ |
| signalToNoiseRatio | 24 ⓘ |
| signalType | chirp ⓘ |
| skyLocalizationArea | about 600 square degrees ⓘ |
| sourceType | stellar-mass black hole binary ⓘ |
| testsGeneralRelativity | yes ⓘ |
| waveformModel | general relativity binary black hole coalescence ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
LIGO