SN 1961V
E395668
SN 1961V is a peculiar and debated astronomical transient in the galaxy NGC 1058, long argued to be either an unusual supernova or a super-outburst of a luminous blue variable star.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SN 1961V canonical | 2 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical transient
ⓘ
luminous blue variable candidate outburst ⓘ peculiar supernova candidate ⓘ |
| catalogDesignation | SN 1961V self-link ⓘ |
| comparisonObjects |
Eta Carinae
ⓘ
supernova SN 1954J ⓘ
surface form:
SN 1954J
other SN impostors ⓘ |
| constellation | Perseus ⓘ |
| declination | +37° 20′ (approximate) ⓘ |
| discoveredBy | Fritz Zwicky ⓘ |
| discoveryDecade | 1960s ⓘ |
| discoveryYear | 1961 ⓘ |
| distanceToHostGalaxy |
≈ 30–33 million light-years
ⓘ
≈ 9–10 Mpc ⓘ |
| eventTypeStatus | disputed ⓘ |
| galaxyTypeOfHost | spiral galaxy ⓘ |
| hostGalaxy | NGC 1058 ⓘ |
| hostGalaxyMorphologicalType | SA(rs)c (approximate) ⓘ |
| hostGalaxyNGCNumber | NGC 1058 ⓘ |
| lightCurveBehavior |
irregular variability
ⓘ
plateau-like evolution ⓘ slow rise to maximum ⓘ |
| locatedIn | NGC 1058 ⓘ |
| notableFor |
extended pre-maximum brightening
ⓘ
ongoing debate about its true nature ⓘ unusual light curve ⓘ very luminous progenitor candidate ⓘ |
| observedIn |
X-ray wavelengths (upper limits / searches)
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| peakAbsoluteMagnitudeApprox | around −17 to −18 ⓘ |
| possibleClassification |
SN impostor
ⓘ
Type II supernova ⓘ super-outburst of luminous blue variable ⓘ |
| progenitorMassEstimate | > 50 solar masses (approximate) ⓘ |
| progenitorTypeCandidate | luminous blue variable star ⓘ |
| radioEmission | detected ⓘ |
| radioEmissionInterpretation | consistent with core-collapse supernova in some studies ⓘ |
| redshiftOfHostGalaxy | z ≈ 0.0017 ⓘ |
| researchTopics |
LBV eruptions
ⓘ
core-collapse supernova mechanisms ⓘ massive star evolution ⓘ supernova impostor classification ⓘ |
| rightAscension | 02h 43m (approximate) ⓘ |
| studiedWith |
Hubble Space Telescope
ⓘ
Very Large Array ⓘ ground-based optical telescopes ⓘ |
| survivingStarCandidate | reported in Hubble Space Telescope imaging ⓘ |
| survivingStarStatus | uncertain ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
SN 1954J