Sanduleak -69 202
E481644
Sanduleak -69 202 was a blue supergiant star in the Large Magellanic Cloud that famously exploded as Supernova 1987A, the closest observed supernova in modern times.
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
blue supergiant star
ⓘ
massive star ⓘ supernova progenitor ⓘ |
| apparentMagnitudeBeforeExplosion | about 12 ⓘ |
| catalogDesignation | Sk -69 202 NERFINISHED ⓘ |
| cataloguedBy | Nicholas Sanduleak NERFINISHED ⓘ |
| color | blue ⓘ |
| comparison | unusual because many Type II supernovae come from red supergiants ⓘ |
| coordinateSystem | equatorial coordinates ⓘ |
| distanceFromEarth |
about 168000 light-years
ⓘ
about 51 kiloparsecs ⓘ |
| evolutionaryStageBeforeExplosion | blue supergiant phase ⓘ |
| explodedAs | Supernova 1987A NERFINISHED ⓘ |
| explosionDesignation | SN 1987A NERFINISHED ⓘ |
| explosionType | Type II supernova ⓘ |
| explosionYear | 1987 ⓘ |
| hostEnvironment | star-forming region in the Large Magellanic Cloud ⓘ |
| hostGalaxy | Large Magellanic Cloud NERFINISHED ⓘ |
| locatedIn |
Large Magellanic Cloud
NERFINISHED
ⓘ
constellation Dorado ⓘ |
| luminosityClass | I (supergiant) ⓘ |
| mass | roughly 18–20 solar masses ⓘ |
| notableFor |
being progenitor of SN 1987A
ⓘ
being the closest observed supernova progenitor in modern times ⓘ |
| observedAsProgenitorIn | pre-1987 photographic plates ⓘ |
| preExplosionIdentification | Sanduleak -69 202 NERFINISHED ⓘ |
| remnant | SN 1987A supernova remnant NERFINISHED ⓘ |
| researchSignificance | key object for studying core-collapse supernova progenitors ⓘ |
| spectralType | B3 I ⓘ |
| status | destroyed in supernova explosion ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.