Aldebaran (foreground star, not a member)

E26559

Aldebaran is a bright orange giant star in the constellation Taurus, easily visible to the naked eye and often seen in front of the Hyades star cluster.

All labels observed (1)

Label Occurrences
Aldebaran (foreground star, not a member) canonical 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf K-type giant star
giant star
orange giant star
star
absoluteMagnitudeV −0.63
age about 6.4 billion years
apparentMagnitude 0.85
bayerDesignation Alpha Tauri
colorIndexB−V 1.54
constellation Taurus
declination +16° 30′ 33″
distanceFromEarth about 20 parsecs
about 65 light-years
effectiveTemperature about 3900 K
equatorialCoordinateSystem J2000.0
evolutionaryStage post-main-sequence star
red giant branch
flamsteedDesignation 87 Tauri
followedObject Pleiades
surface form: Pleiades star cluster
galacticLatitude −20.06°
galacticLongitude 180.97°
hasExoplanetCandidate Aldebaran planetary system
surface form: Aldebaran b
hasTraditionalName Aldebaran
hdNumber HD 29139
hipparcosNumber HIP 21421
hrNumber HR 1457
isAmong brightest stars in the night sky
isBrightestStarIn Taurus
isForegroundTo Hyades
surface form: Hyades star cluster
isMemberOf Galactic thin disk
Milky Way
isNotPhysicalMemberOf Hyades
surface form: Hyades star cluster
isPrimaryStarOf Aldebaran planetary system
luminosity about 400 times solar luminosity
mass about 1.2 solar masses
metallicity[Fe/H] about −0.15
nameMeaning the follower
nameOriginLanguage Arabic
parallax 48.94 mas
properMotionDec −188.94 mas/yr
properMotionRA +62.78 mas/yr
radialVelocity about +54 km/s
radius about 44 solar radii
rightAscension 04h 35m 55.2s
saoNumber SAO 94027
spectralType K5III
variableType slow irregular variable
visibleToNakedEye true

How these facts were elicited

Referenced by (1)

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

Hyades notableStar Aldebaran (foreground star, not a member)