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gptkbp:instanceOf
|
supernova
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|
gptkbp:alsoKnownAs
|
gptkb:SSS17a
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gptkbp:associatedWith
|
gptkb:GW170817
|
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gptkbp:declination
|
-23° 22′ 53.3″
|
|
gptkbp:discoveredBy
|
gptkb:Swope_Supernova_Survey
|
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gptkbp:discoveredIn
|
2017-08-17
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gptkbp:distanceFromEarth
|
~130 million light-years
|
|
gptkbp:eventType
|
neutron star merger
|
|
gptkbp:firstOpticalCounterpartOf
|
gptkb:gravitational_wave_event
|
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gptkbp:hostedBy
|
gptkb:NGC_4993
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
AT2017gfo
|
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gptkbp:locatedIn
|
gptkb:Hydra
|
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gptkbp:observedBy
|
gptkb:Gemini_Observatory
gptkb:LIGO
gptkb:Very_Large_Telescope
gptkb:Virgo
gptkb:Swift_Observatory
gptkb:Chandra_X-ray_Observatory
gptkb:Hubble_Space_Telescope
gptkb:Fermi_Gamma-ray_Space_Telescope
gptkb:Pan-STARRS
|
|
gptkbp:peakMagnitude
|
~17.3 (optical)
|
|
gptkbp:producedElement
|
heavy elements (e.g., gold, platinum)
|
|
gptkbp:redshift
|
0.009783
|
|
gptkbp:rightAscension
|
13h 09m 48.08s
|
|
gptkbp:significance
|
confirmed kilonova theory
first multi-messenger astronomy event
linked short gamma-ray bursts to neutron star mergers
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gptkbp:bfsParent
|
gptkb:GW170817
|
|
gptkbp:bfsLayer
|
6
|