Alpha Tau

E581542
orange giant star star

Alpha Tau, better known as Aldebaran, is a bright orange giant star in the constellation Taurus and one of the most prominent stars in the night sky.

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Statements (47)

Predicate Object
instanceOf orange giant star ⓘ
star ⓘ
ageInGyr about 6.6 ⓘ
alsoKnownAs Aldebaran NERFINISHED ⓘ
apparentMagnitudeV 0.85 ⓘ
bayerDesignation α Tauri NERFINISHED ⓘ
belongsToAsterism Hyades NERFINISHED ⓘ
bestViewingSeason northern winter ⓘ
constellationAbbreviation Tau ⓘ
declination +16° 30′ 33″ ⓘ
distanceFromEarth_ly about 65 ⓘ
distanceFromEarth_pc about 20 ⓘ
effectiveTemperature_K about 3900 ⓘ
equatorialCoordinateSystem ICRS NERFINISHED ⓘ
evolutionaryStage red giant branch ⓘ
flamsteedDesignation 87 Tauri NERFINISHED ⓘ
galacticLatitude_deg about -20.0 ⓘ
galacticLongitude_deg about 180.9 ⓘ
hasColorIndexBminusV about +1.54 ⓘ
hasExoplanetCandidate true ⓘ
hasVariability slight ⓘ
hdDesignation HD 29139 NERFINISHED ⓘ
hemisphereVisibility both ⓘ
hipparcosNumber HIP 21421 NERFINISHED ⓘ
hrDesignation HR 1457 ⓘ
isBrightestStarInConstellation Taurus NERFINISHED ⓘ
true ⓘ
isBrightStar true ⓘ
isEyeOfBullInMythology true ⓘ
isForegroundStarOf Hyades cluster NERFINISHED ⓘ
isNavigationStar true ⓘ
isPartOf Hyades moving group NERFINISHED ⓘ
isProminentInNightSky true ⓘ
isSingleStar true ⓘ
locatedInConstellation Taurus NERFINISHED ⓘ
luminosityInSolarLuminosities about 400 ⓘ
massInSolarMasses about 1.2 ⓘ
metallicity_Fe_H about +0.15 ⓘ
parallax_mas about 50.1 ⓘ
radialVelocity_kmPerSec about 54 ⓘ
radiusInSolarRadii about 44 ⓘ
rightAscension 04h 35m 55.2s ⓘ
saoNumber SAO 94027 NERFINISHED ⓘ
spectralType K5III ⓘ
traditionalNameMeaning the follower ⓘ
traditionalNameOrigin Arabic ⓘ
visibleFromEarthWithNakedEye true ⓘ

Referenced by (1)

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

HR 1457 → catalogDesignation → Alpha Tau ⓘ