Epsilon Canis Majoris

E514755

Epsilon Canis Majoris, also known as Adhara, is a bright blue-white giant star and one of the most luminous stars visible from Earth, located in the constellation Canis Major.

All labels observed (4)

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf spectroscopic binary
star
belongsToAsterism Canis Major constellation pattern
linked to: Canis Major
hasAbsoluteMagnitudeV −4.1
hasAge_Myr ~20
hasApparentMagnitudeV 1.50
hasBayerDesignation ε Canis Majoris
hasCatalogIdentifier BD−29 1782
linked to: BD−29° 1782

HD 52089
HIP 33579
HR 2618
SAO 172458
hasColor blue-white
hasCompanion Epsilon Canis Majoris B
hasComponent Epsilon Canis Majoris A
hasConstellationAbbreviation CMa
hasDeclination −28° 58′ 20″
hasDistanceFromEarth_ly ~430
hasDistanceFromEarth_pc ~132
hasEffectiveTemperature_K ~22,200
hasFlamsteedDesignation 13 Canis Majoris
hasGalacticLatitude_deg −11.3
hasGalacticLongitude_deg 239.8
hasLuminosity_solar ~38,000
hasMass_solar ~12
hasMetallicity_Fe_H slightly subsolar
hasParallax_mas ~7.6
hasProperMotionDec_mas_per_yr +4.0
hasProperMotionRA_mas_per_yr −3.5
hasProperName Adhara
hasRadialVelocity_km_per_s +34
hasRadius_solar ~14
hasRightAscension 06h 58m 37s
hasSpectralType B2 II
hasTraditionalNameOrigin Arabic
hasVariableStarDesignation None known
isAmongMostLuminousInNightSky Yes
isArabicFor “the virgins”
isBrightestInConstellation No
isPartOf Milky Way
isSecondBrightestInConstellation Yes
isVisibleFrom Earth
locatedInConstellation Canis Major
orbits Epsilon Canis Majoris A
willEvolveInto supergiant star

How these facts were elicited

Referenced by (6)

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

Canis Major contains Epsilon Canis Majoris
CMa contains Adhara (Epsilon Canis Majoris)
linked to: Epsilon Canis Majoris
Adhara hasBayerDesignation Epsilon Canis Majoris
Epsilon Canis Majoris hasCompanion Epsilon Canis Majoris B
linked to: Epsilon Canis Majoris
Epsilon Canis Majoris B orbits Epsilon Canis Majoris A
subject linked to: Epsilon Canis Majoris
linked to: Epsilon Canis Majoris
Epsilon Canis Majoris hasComponent Epsilon Canis Majoris A
linked to: Epsilon Canis Majoris