variable star VY Scuti
E460844
Variable star VY Scuti is a highly luminous red supergiant located in the constellation Scutum and is among the largest known stars by radius.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| VY Scuti | 0 |
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
luminous cool star
ⓘ
red supergiant star ⓘ variable star ⓘ |
| catalogDesignation | VY Sct NERFINISHED ⓘ |
| celestialBodyType | star ⓘ |
| color | red ⓘ |
| evolvesInto | likely core-collapse supernova progenitor ⓘ |
| hasAlternateName | VY Sct NERFINISHED ⓘ |
| hasApparentMagnitude | about 8–9 (variable) ⓘ |
| hasChemicalComposition | hydrogen and helium dominated with heavier elements ⓘ |
| hasDeclination | in southern sky region ⓘ |
| hasDensity | extremely low mean density ⓘ |
| hasDiscoveryStatus | known as variable star before modern surveys ⓘ |
| hasDistanceEstimate | several kiloparsecs (uncertain) ⓘ |
| hasEffectiveTemperature | cool supergiant temperature range ⓘ |
| hasEvolutionaryStage | late-stage massive star ⓘ |
| hasLightCurve | variable star light curve ⓘ |
| hasLuminosity | very high bolometric luminosity ⓘ |
| hasMassLoss | strong stellar wind ⓘ |
| hasRadius | extremely large stellar radius ⓘ |
| hasRightAscension | in constellation Scutum region ⓘ |
| hasSurfaceGravity | very low for a star ⓘ |
| hasVariability | irregular brightness changes ⓘ |
| hasVariabilityType | semiregular variable (likely) ⓘ |
| isAmong | largest known stars by radius ⓘ |
| isSubjectOf |
stellar evolution studies of massive stars
ⓘ
studies of mass loss in evolved massive stars ⓘ studies of red supergiant atmospheres ⓘ |
| locatedIn |
Milky Way galaxy
NERFINISHED
ⓘ
Scutum star field ⓘ |
| locatedInConstellation | Scutum NERFINISHED ⓘ |
| luminosityClass | supergiant ⓘ |
| memberOf | Galactic disk population ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| spectralType | M-type supergiant ⓘ |
| surroundedBy | circumstellar material ⓘ |
| visibleFrom | Earth with small telescope ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.