binary neutron star merger GW170817

URI: https://gptkb.org/entity/binary_neutron_star_merger_GW170817
GPTKB entity
Statements (27)
Predicate Object
gptkbp:instanceOf gptkb:gravitational_wave_event
gptkbp:detectionDate 2017-08-17
gptkbp:detects gptkb:LIGO
gptkb:Virgo
gptkbp:distanceFromEarth ~130 million light-years
gptkbp:hasChirpMass ~1.188 solar masses
gptkbp:hasElectromagneticCounterpart gptkb:AT2017gfo
gptkb:GRB_170817A
gptkbp:hasEvent binary neutron star merger
gptkbp:hasObservationID gptkb:GW170817
gptkbp:hasPeakGravitationalWaveFrequency ~300 Hz
gptkbp:hasProgenitor binary neutron star system
gptkbp:hasSkyLocalization RA 13h09m48s, Dec -23°22′53″
gptkbp:hasTotalMass ~2.74 solar masses
gptkbp:hostedBy gptkb:NGC_4993
https://www.w3.org/2000/01/rdf-schema#label binary neutron star merger GW170817
gptkbp:influencedBy confirmed origin of heavy elements via r-process nucleosynthesis
constrained Hubble constant
constrained speed of gravity
enabled multi-messenger astronomy
ruled out some alternative gravity theories
gptkbp:publishedIn gptkb:Physical_Review_Letters
gptkbp:resultedIn supernova
short gamma-ray burst
gptkbp:significance first gravitational wave event with electromagnetic counterpart
gptkbp:bfsParent gptkb:LIGO_Lab
gptkbp:bfsLayer 7