UY Scuti

E481664

UY Scuti is an extremely large red supergiant star, among the biggest known in the Milky Way, located in the constellation Scutum.

All labels observed (1)

Label Occurrences
UY Scuti canonical 5

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf red supergiant star ⓘ
star ⓘ
variable star ⓘ
apparentMagnitudeV about 8.5 ⓘ
belongsTo Scutum star-forming region ⓘ
linked to: Scutum Star Cloud
catalogDesignation UY Scuti ⓘ
celestialBodyType red supergiant ⓘ
color red ⓘ
coordinateSystem equatorial coordinates ⓘ
declination approximately −12° 27′ ⓘ
discoveredBy German astronomers at Bonn Observatory ⓘ
discoveryYear 1860 ⓘ
distanceFromEarth about 2.9 kiloparsecs ⓘ
about 9,500 light-years ⓘ
evolutionaryStage late stage massive star ⓘ
galacticLatitude near the Galactic plane ⓘ
galacticQuadrant inner Milky Way ⓘ
hasExtendedAtmosphere yes ⓘ
hasPulsations yes ⓘ
hasStrongStellarWind yes ⓘ
hasUncertainParameters distance ⓘ
radius ⓘ
heliocentricRadialVelocity positive (receding from the Sun) ⓘ
isAmong largest known stars by radius ⓘ
isNakedEyeVisible no ⓘ
isSingleStar no confirmed close stellar companion ⓘ
isUsedAsExampleOf extreme stellar size ⓘ
likelyFuture core-collapse supernova ⓘ
locatedInConstellation Scutum ⓘ
locatedInGalaxy Milky Way ⓘ
luminosity hundreds of thousands of times the Sun’s luminosity ⓘ
luminosityClass Ia ⓘ
mass several times the mass of the Sun ⓘ
observedIn infrared wavelengths ⓘ
optical wavelengths ⓘ
originalDesignation BD−12°5055 ⓘ
partOf Milky Way disk ⓘ
linked to: Milky Way
pulsationEffect causes variability in brightness ⓘ
radius on the order of 1,700 solar radii (model-dependent) ⓘ
over 1,000 times the radius of the Sun ⓘ
requiresTelescope small telescope or binoculars ⓘ
rightAscension approximately 18h 27m ⓘ
spectralClass M4 ⓘ
spectralType M-type ⓘ
surfaceTemperature cool compared to the Sun ⓘ
undergoesMassLoss yes ⓘ
variableStarType semiregular variable ⓘ

How these facts were elicited

Referenced by (5)

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

Scutum → contains → UY Scuti ⓘ
subject linked to: Scutum constellation
Carpe Diem → followedBy → UY Scuti ⓘ
Sobieski’s Shield → contains → UY Scuti ⓘ
Scuti → exampleUsage → UY Scuti ⓘ
UY Scuti → catalogDesignation → UY Scuti ⓘ