SAO 113271

E557731

SAO 113271 is the Smithsonian Astrophysical Observatory (SAO) Star Catalog designation for the red supergiant star Betelgeuse in the constellation Orion.

All labels observed (1)

Label Occurrences
SAO 113271 canonical 2

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf catalog identifier ⓘ
star ⓘ
stellar designation ⓘ
apparentMagnitudeV 0.0 to 1.6 ⓘ
associatedWith red supergiant star ⓘ
bayerDesignation Alpha Orionis ⓘ
catalog Smithsonian Astrophysical Observatory Star Catalog ⓘ
colorIndexBMinusV about +1.85 ⓘ
constellation Orion ⓘ
correspondsTo Betelgeuse ⓘ
declinationEpochJ2000 +07° 24′ 25.4″ ⓘ
distanceFromEarth_ly about 550 to 650 light-years ⓘ
distanceFromEarth_pc about 170 to 200 parsecs ⓘ
effectiveTemperature_K about 3500 ⓘ
evolutionaryStage red supergiant phase ⓘ
futureEvolution core-collapse supernova progenitor ⓘ
galacticPopulation Population I star ⓘ
hasProperName Betelgeuse ⓘ
hasSAOIdentifier SAO 113271 ⓘ
hemisphereVisibility both hemispheres ⓘ
identifies Betelgeuse ⓘ
isBrightStar true ⓘ
isEntryIn SAO Star Catalog ⓘ
linked to: SAO catalogue
isNakedEyeVisible true ⓘ
locatedIn Milky Way ⓘ
Orion OB1 association ⓘ
Orion constellation region ⓘ
linked to: Orion constellation
luminosity_solar about 100000 ⓘ
luminosityClass Iab ⓘ
mass_solar about 15 to 20 ⓘ
meanApparentMagnitudeV about 0.5 ⓘ
notableEvent experienced a major dimming event in 2019–2020 ⓘ
otherDesignation ADS 4075 A ⓘ
Alpha Orionis ⓘ
BD+07 1055 ⓘ
Betelgeuse ⓘ
FK5 224 ⓘ
GC 7450 ⓘ
HD 39801 ⓘ
HIP 27989 ⓘ
HR 2061 ⓘ
WDS J05552+0724A ⓘ
α Orionis ⓘ
linked to: Alpha Orionis
radius_solar about 700 to 1000 ⓘ
rightAscensionEpochJ2000 05h 55m 10.3053s ⓘ
spectralClass M1–M2 ⓘ
spectralType M-type ⓘ
variableStarDesignation Betelgeuse ⓘ
variableType semiregular variable star ⓘ

How these facts were elicited

Referenced by (2)

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

Betelgeuse → catalogIdentifier → SAO 113271 ⓘ
HR 2061 → catalogueDesignation → SAO 113271 ⓘ