Beta Canis Majoris

E509402

Beta Canis Majoris is a bright blue-white giant star in the constellation Canis Major, notable as one of its most luminous and prominent members.

All labels observed (4)

Label Occurrences
β Canis Majoris 4
Beta Canis Majoris canonical 2
11 Canis Majoris 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf Beta Cephei variable
star
absoluteMagnitudeV −4.0
age_millionYears ~10
angularSeparationFromSirius_deg ~4
apparentMagnitudeV 1.98
bayerDesignation β Canis Majoris
linked to: Beta Canis Majoris
belongsToAsterism Canis Major
catalog Bright Star Catalogue
Henry Draper Catalogue
Hipparcos Catalogue
color blue-white
constellation Canis Major
declination −17° 57′ 21″
distanceFromEarth_ly ~500
distanceFromEarth_pc ~150
dominantFusionProcess CNO cycle
effectiveTemperature_K ~23000
evolutionaryStage bright giant
flamsteedDesignation 11 Canis Majoris
linked to: Beta Canis Majoris
galacticLatitude_deg −11.3
galacticLongitude_deg 227.2
hasPhotosphericComposition hydrogen-dominated
hdNumber HD 44743
hemisphereVisibility equatorial
southern
hipparcosNumber HIP 30324
hrNumber HR 2294
isAmongBrightestInConstellation true
isNakedEyeVisible true
luminosity_solar ~26000
mass_solar ~13
metallicityRelativeToSun near-solar
notableFor high luminosity
short-period pulsations
otherName Mirzam
β Canis Majoris
linked to: Beta Canis Majoris
properMotionDec_masPerYear +4.0
properMotionRA_masPerYear −3.0
pulsationPeriod_days ~0.25
radialVelocity_kmPerSec +33
radius_solar ~8
rightAscension 06h 22m 41s
spectralType B1II
variableStarDesignation Beta Cephei star
variableType Beta Cephei

How these facts were elicited

Referenced by (8)

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

Canis Major contains Beta Canis Majoris
Mirzam alsoKnownAs Beta Canis Majoris
Mirzam alsoKnownAs β Canis Majoris
linked to: Beta Canis Majoris
Mirzam bayerDesignation β Canis Majoris
linked to: Beta Canis Majoris
Mirzam flamsteedDesignation 15 Canis Majoris
linked to: Beta Canis Majoris
Beta Canis Majoris otherName β Canis Majoris
linked to: Beta Canis Majoris
Beta Canis Majoris bayerDesignation β Canis Majoris
linked to: Beta Canis Majoris
Beta Canis Majoris flamsteedDesignation 11 Canis Majoris
linked to: Beta Canis Majoris