Eta Canis Majoris
E518409
Eta Canis Majoris, also known as Aludra, is a luminous blue supergiant star in the constellation Canis Major and one of its brightest members.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Alpha Cygni variable
ⓘ
star ⓘ |
| belongsToAsterism | Canis Major asterism NERFINISHED ⓘ |
| hasAge | around 8 million years ⓘ |
| hasApparentMagnitudeV |
1.98
ⓘ
approximately 2.0 ⓘ |
| hasArabicName | Aludra NERFINISHED ⓘ |
| hasBayerDesignation | η Canis Majoris NERFINISHED ⓘ |
| hasBDDesignation | BD−28 1900 NERFINISHED ⓘ |
| hasColorIndexBMinusV | about −0.19 ⓘ |
| hasColorIndexUMinusB | about −0.88 ⓘ |
| hasDeclination | −28° 58′ 20″ ⓘ |
| hasDistanceFromEarth |
about 2,000 light-years
ⓘ
about 600 parsecs ⓘ |
| hasEffectiveTemperature | about 16,000 K ⓘ |
| hasEquinox | J2000.0 ⓘ |
| hasFlamsteedDesignation | 24 Canis Majoris NERFINISHED ⓘ |
| hasGalacticPopulation | thin disk ⓘ |
| hasHDDesignation | HD 58350 NERFINISHED ⓘ |
| hasHIPDesignation | HIP 36188 NERFINISHED ⓘ |
| hasHRDesignation | HR 2827 NERFINISHED ⓘ |
| hasLuminosity | about 105,000 times solar luminosity ⓘ |
| hasMass | about 18 solar masses ⓘ |
| hasMetallicityFeH | approximately solar ⓘ |
| hasName | Aludra NERFINISHED ⓘ |
| hasParallax | about 1.78 milliarcseconds ⓘ |
| hasProperMotionInDec | +4.21 mas/yr ⓘ |
| hasProperMotionInRA | −3.65 mas/yr ⓘ |
| hasRadialVelocity | about +34 km/s ⓘ |
| hasRadius | about 54 solar radii ⓘ |
| hasRightAscension | 06h 58m 37s ⓘ |
| hasSAODesignation | SAO 173047 NERFINISHED ⓘ |
| hasSpectralType | B5Ia ⓘ |
| hasSurfaceGravityLogG | around 2.0 ⓘ |
| hasVariabilityAmplitude | a few hundredths of a magnitude ⓘ |
| hasVariabilityType | Alpha Cygni NERFINISHED ⓘ |
| isEvolutionaryStage | post-main-sequence ⓘ |
| isLikelyToEndAs | core-collapse supernova ⓘ |
| isNakedEyeVisible | true ⓘ |
| isOneOfBrightestStarsIn | Canis Major NERFINISHED ⓘ |
| isPartOf | Milky Way Galaxy NERFINISHED ⓘ |
| isVisibleFrom |
Southern Hemisphere
ⓘ
low northern latitudes ⓘ |
| locatedInConstellation | Canis Major NERFINISHED ⓘ |
| nameMeaning | “the virgin” in Arabic NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.