Alpha Tau

E581542

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.

All labels observed (1)

Label Occurrences
Alpha Tau canonical 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf orange giant star
star
ageInGyr about 6.6
alsoKnownAs Aldebaran
apparentMagnitudeV 0.85
bayerDesignation α Tauri
linked to: Aldebaran
belongsToAsterism Hyades
bestViewingSeason northern winter
constellationAbbreviation Tau
declination +16° 30′ 33″
distanceFromEarth_ly about 65
distanceFromEarth_pc about 20
effectiveTemperature_K about 3900
equatorialCoordinateSystem ICRS
evolutionaryStage red giant branch
flamsteedDesignation 87 Tauri
galacticLatitude_deg about -20.0
galacticLongitude_deg about 180.9
hasColorIndexBminusV about +1.54
hasExoplanetCandidate true
hasVariability slight
hdDesignation HD 29139
hemisphereVisibility both
hipparcosNumber HIP 21421
hrDesignation HR 1457
isBrightestStarInConstellation Taurus
true
isBrightStar true
isEyeOfBullInMythology true
isForegroundStarOf Hyades cluster
linked to: Hyades
isNavigationStar true
isPartOf Hyades moving group
linked to: Hyades
isProminentInNightSky true
isSingleStar true
locatedInConstellation Taurus
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
spectralType K5III
traditionalNameMeaning the follower
traditionalNameOrigin Arabic
visibleFromEarthWithNakedEye true

How these facts were elicited

Referenced by (1)

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

HR 1457 catalogDesignation Alpha Tau