SN 1987A

E110990
Type II supernova core-collapse supernova supernova

SN 1987A is a famous supernova, the closest observed in modern times, whose 1987 explosion in the Large Magellanic Cloud has provided key insights into stellar death and supernova physics.

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All labels observed (3)

Label Occurrences
SN 1987A canonical 2
SN 1987A remnant 2
Supernova 1987A 1

Statements (50)

Predicate Object
instanceOf Type II supernova ⓘ
core-collapse supernova ⓘ
supernova ⓘ
constellation Dorado ⓘ
discoveredAt Las Campanas Observatory ⓘ
discoveredBy Ian Shelton ⓘ
Oscar Duhalde ⓘ
discoveryDate 1987-02-23 ⓘ
discoveryYear 1987 ⓘ
distanceFromEarth approximately 168000 light-years ⓘ
approximately 51 kiloparsecs ⓘ
dustFormationObserved true ⓘ
energyOutput on the order of 10^44 joules in visible light ⓘ
explosionDateApprox 1987-02-23 ⓘ
firstNakedEyeSupernovaSince SN 1604 ⓘ
galacticLatitude about -32 degrees ⓘ
galacticLongitude about 279 degrees ⓘ
gammaRayLinesDetected true ⓘ
hostGalaxy Large Magellanic Cloud ⓘ
innerRingInclination about 43 degrees to line of sight ⓘ
innerRingRadius about 0.8 light-years ⓘ
lightEchoesObserved true ⓘ
locatedIn southern sky ⓘ
neutrinoBurstDetected true ⓘ
neutrinoDetectionSignificance first direct detection of neutrinos from a supernova ⓘ
neutrinoDetectors Baksan Neutrino Observatory ⓘ
IMB ⓘ
Kamiokande experiment ⓘ
surface form: Kamiokande II
nickel56Mass on the order of 0.07 solar masses ⓘ
observedBy Atacama Large Millimeter/submillimeter Array ⓘ
Chandra X-ray Observatory ⓘ
Hubble Space Telescope ⓘ
peakApparentMagnitude about 2.9 ⓘ
possibleCompactRemnant neutron star ⓘ
progenitorSpectralType B3 I ⓘ
progenitorStar Sanduleak -69 202 ⓘ
progenitorType blue supergiant ⓘ
providedEvidenceFor core-collapse mechanism of massive stars ⓘ
neutrino-driven supernova explosion models ⓘ
radioactiveIsotopesDetected 44Ti ⓘ
56Co ⓘ
56Ni ⓘ
remnantType supernova remnant ⓘ
shockInteractionObserved true ⓘ
shockInteractionWith circumstellar ring ⓘ
significance closest observed supernova since the invention of the telescope ⓘ
key laboratory for studying supernova explosion physics ⓘ
landmark event in neutrino astronomy ⓘ
surroundedBy triple-ring nebula ⓘ
visibleToNakedEye true ⓘ

Referenced by (5)

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

Large Magellanic Cloud → contains → SN 1987A ⓘ
LMC → contains → SN 1987A ⓘ
this entity surface form: SN 1987A remnant
Tarantula Nebula → near → SN 1987A ⓘ
Kamiokande experiment → detectedEventFrom → SN 1987A ⓘ
this entity surface form: Supernova 1987A
constellation Dorado → containsDeepSkyObject → SN 1987A ⓘ
subject surface form: Dorado
this entity surface form: SN 1987A remnant