supernova SN 1954J
E92943
Supernova SN 1954J is a mid-20th-century stellar explosion event in an external galaxy that became notable through detailed optical observations and analysis by astronomers.
All labels observed (3)
| Label | Occurrences |
|---|---|
| SN 1954J | 3 |
| luminous blue variable–like outburst SN 1954J | 1 |
| supernova SN 1954J canonical | 1 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
luminous blue variable outburst ⓘ stellar eruption event ⓘ supernova impostor ⓘ |
| alsoKnownAs |
V12
ⓘ
Variable 12 ⓘ |
| catalogDesignation |
supernova SN 1954J
self-link
ⓘ
surface form:
SN 1954J
|
| constellation | Camelopardalis ⓘ |
| dataSource |
historical photographic plates
ⓘ
modern CCD observations ⓘ |
| discoveryYear | 1954 ⓘ |
| distanceUnit | megaparsec scale ⓘ |
| energySource | massive star instability ⓘ |
| epoch | 20th century ⓘ |
| eventType | non-terminal stellar explosion ⓘ |
| evidenceForSurvival | detection of a surviving star at the position ⓘ |
| followUpObservations | late-time imaging of the site ⓘ |
| galaxyTypeOfHost | spiral galaxy ⓘ |
| hostGalaxy | NGC 2403 ⓘ |
| hostGalaxyClusterMembership |
M81 Group
ⓘ
surface form:
M81 group
|
| hostGalaxyDistanceEstimate | about 3 megaparsecs ⓘ |
| lightCurveProperty | irregular outburst behavior ⓘ |
| location | external galaxy ⓘ |
| notableFor |
being reclassified as a supernova impostor
ⓘ
detailed optical observations ⓘ survival of progenitor star ⓘ |
| observationalMethod |
astrometry
ⓘ
imaging ⓘ photometry ⓘ |
| observedBand | optical ⓘ |
| observedBy | professional astronomers ⓘ |
| originalClassification | supernova ⓘ |
| outcome | star not completely destroyed ⓘ |
| phenomenon | giant eruption of massive star ⓘ |
| progenitorType | luminous blue variable star ⓘ |
| researchTopic |
luminous blue variable eruptions
ⓘ
massive star evolution ⓘ pre-supernova outbursts ⓘ |
| revisedClassification | supernova impostor ⓘ |
| scientificDiscipline |
astrophysics
ⓘ
observational astronomy ⓘ |
| similarTo |
Eta Carinae
ⓘ
surface form:
Eta Carinae Great Eruption
SN 1961V ⓘ |
| usedAsExampleOf |
non-terminal massive star eruptions
ⓘ
supernova impostor class ⓘ |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
SN 1954J
this entity surface form:
SN 1954J
this entity surface form:
SN 1954J
this entity surface form:
luminous blue variable–like outburst SN 1954J
this entity surface form:
SN 1954J