SAO 113271
E557731
SAO 113271 is the Smithsonian Astrophysical Observatory (SAO) Star Catalog designation for the red supergiant star Betelgeuse in the constellation Orion.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
catalog identifier
ⓘ
star ⓘ stellar designation ⓘ |
| apparentMagnitudeV | 0.0 to 1.6 ⓘ |
| associatedWith | red supergiant star ⓘ |
| bayerDesignation | Alpha Orionis NERFINISHED ⓘ |
| catalog | Smithsonian Astrophysical Observatory Star Catalog NERFINISHED ⓘ |
| colorIndexBMinusV | about +1.85 ⓘ |
| constellation | Orion NERFINISHED ⓘ |
| correspondsTo | Betelgeuse NERFINISHED ⓘ |
| 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 NERFINISHED ⓘ |
| hasSAOIdentifier | SAO 113271 ⓘ |
| hemisphereVisibility | both hemispheres ⓘ |
| identifies | Betelgeuse NERFINISHED ⓘ |
| isBrightStar | true ⓘ |
| isEntryIn | SAO Star Catalog NERFINISHED ⓘ |
| isNakedEyeVisible | true ⓘ |
| locatedIn |
Milky Way
ⓘ
Orion OB1 association NERFINISHED ⓘ Orion constellation region NERFINISHED ⓘ |
| 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
NERFINISHED
ⓘ
Alpha Orionis NERFINISHED ⓘ BD+07 1055 NERFINISHED ⓘ Betelgeuse NERFINISHED ⓘ FK5 224 NERFINISHED ⓘ GC 7450 NERFINISHED ⓘ HD 39801 NERFINISHED ⓘ HIP 27989 ⓘ HR 2061 NERFINISHED ⓘ WDS J05552+0724A NERFINISHED ⓘ α Orionis NERFINISHED ⓘ |
| radius_solar | about 700 to 1000 ⓘ |
| rightAscensionEpochJ2000 | 05h 55m 10.3053s ⓘ |
| spectralClass | M1–M2 ⓘ |
| spectralType | M-type ⓘ |
| variableStarDesignation | Betelgeuse NERFINISHED ⓘ |
| variableType | semiregular variable star ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.