Alpha Doradus

E481655

Alpha Doradus is a bright blue-white binary star system in the southern constellation Dorado, notable as its most luminous member.

All labels observed (4)

Label Occurrences
Alpha Doradus canonical 3
7 Doradus 1
Alpha Doradus A 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf binary star system ⓘ
stellar system ⓘ
absoluteMagnitudeV about −1.9 ⓘ
apparentMagnitudeV 3.27 ⓘ
bayerDesignation Alpha Doradus ⓘ
brightestStarInConstellation Dorado ⓘ
color blue-white ⓘ
component Alpha Doradus A ⓘ
linked to: Alpha Doradus

Alpha Doradus B ⓘ
linked to: Alpha Doradus
constellation Dorado ⓘ
declination −55° ⓘ
distanceFromEarth_ly about 169 ⓘ
distanceFromEarth_pc about 52 ⓘ
effectiveTemperature_K about 11000 (primary) ⓘ
evolutionaryStage giant star (primary) ⓘ
flamsteedDesignation 7 Doradus ⓘ
linked to: Alpha Doradus
galacticPopulation thin disk ⓘ
hasCatalogEntry Bright Star Catalogue ⓘ
Henry Draper Catalogue ⓘ
Hipparcos Catalogue ⓘ
hasOrbitalMotion yes ⓘ
hasVariability yes ⓘ
hdNumber HD 29305 ⓘ
hemisphere southern celestial hemisphere ⓘ
hipparcosNumber HIP 21393 ⓘ
hrNumber HR 1544 ⓘ
locatedIn Milky Way ⓘ
southern sky ⓘ
luminosityMultipleOfSun about 1000 (system) ⓘ
massMultipleOfSun about 2 (secondary) ⓘ
about 4 (primary) ⓘ
metallicity_FeH near solar ⓘ
notableFor blue-white color ⓘ
brightest star in Dorado ⓘ
ellipsoidal variability ⓘ
orbitalPeriod_days about 12 ⓘ
parallax_mas about 19.2 ⓘ
properMotionDec_masPerYr about −6 ⓘ
properMotionRA_masPerYr about +22 ⓘ
radialVelocity_kmPerSec about +28 ⓘ
rightAscension 04h 33m ⓘ
rotationalVelocity_kmPerSec about 150 (primary) ⓘ
simbadId alf Dor ⓘ
spectralType A-type star ⓘ
B9III ⓘ
variableStarType ellipsoidal variable ⓘ
visibleToNakedEye yes ⓘ

How these facts were elicited

Referenced by (6)

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

Dorado → brightestStar → Alpha Doradus ⓘ
Dorado → containsBrightStar → Alpha Doradus ⓘ
subject linked to: constellation Dorado
Alpha Doradus → component → Alpha Doradus A ⓘ
linked to: Alpha Doradus
Alpha Doradus → component → Alpha Doradus B ⓘ
linked to: Alpha Doradus
Alpha Doradus → bayerDesignation → Alpha Doradus ⓘ
Alpha Doradus → flamsteedDesignation → 7 Doradus ⓘ
linked to: Alpha Doradus