Alpha Tauri (α Tauri)
E581536
Alpha Tauri (α Tauri), traditionally known as Aldebaran, is a bright orange giant star in the constellation Taurus and one of the most prominent stars in the night sky.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Alpha Tauri | 0 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
orange giant star
ⓘ
star ⓘ |
| belongsTo | local neighborhood of the Milky Way ⓘ |
| canBeOccultedBy |
Moon
NERFINISHED
ⓘ
planets ⓘ |
| hasADSDesignation | ADS 3321 NERFINISHED ⓘ |
| hasApparentMagnitude | 0.85 ⓘ |
| hasApparentMagnitudeV | 0.85 ⓘ |
| hasBayerDesignation |
Alpha Tauri
NERFINISHED
ⓘ
α Tauri NERFINISHED ⓘ |
| hasBDDesignation | BD+16 629 NERFINISHED ⓘ |
| hasColor | orange ⓘ |
| hasConstellation | Taurus NERFINISHED ⓘ |
| hasCulturalSignificanceIn |
Arabic astronomy
ⓘ
Greek astronomy ⓘ |
| hasDeclination | +16° 30′ 33″ ⓘ |
| hasDistanceFromEarth |
about 20 parsecs
ⓘ
about 65 light-years ⓘ |
| hasEffectiveTemperature | about 3900 K ⓘ |
| hasFlamsteedDesignation | 87 Tauri NERFINISHED ⓘ |
| hasHDDesignation | HD 29139 NERFINISHED ⓘ |
| hasHIPDesignation | HIP 21421 NERFINISHED ⓘ |
| hasHRDesignation | HR 1457 NERFINISHED ⓘ |
| hasIAUName | Aldebaran NERFINISHED ⓘ |
| hasLuminosity | about 400 times solar luminosity ⓘ |
| hasMass | about 1.2 solar masses ⓘ |
| hasMetallicity | slightly above solar ⓘ |
| hasNameEtymology | from Arabic al-dabarān meaning “the Follower” ⓘ |
| hasParallax | 48.94 mas ⓘ |
| hasPositionInEcliptic | near the ecliptic ⓘ |
| hasProperMotionInDec | −188.94 mas/yr ⓘ |
| hasProperMotionInRA | +62.78 mas/yr ⓘ |
| hasRadialVelocity | about 54 km/s ⓘ |
| hasRadialVelocityCompanion | candidate exoplanet Aldebaran b NERFINISHED ⓘ |
| hasRadius | about 44 solar radii ⓘ |
| hasRightAscension | 04h 35m 55.2s ⓘ |
| hasSAODesignation | SAO 94027 NERFINISHED ⓘ |
| hasSpectralType | K5III ⓘ |
| hasTraditionalName | Aldebaran NERFINISHED ⓘ |
| hasVariability | small amplitude brightness variations ⓘ |
| hasVariableType | slow irregular variable ⓘ |
| isAmong | brightest stars in the night sky ⓘ |
| isBrightestStarIn | Taurus NERFINISHED ⓘ |
| isFollowedBy | Pleiades star cluster in the sky ⓘ |
| isForegroundObjectOf | Hyades star cluster NERFINISHED ⓘ |
| isLocatedIn | Milky Way NERFINISHED ⓘ |
| isPartOf | Hyades region of the sky ⓘ |
| isRankedByBrightness | one of the brightest stars ⓘ |
| isUsedFor | calibration of stellar models of K giants ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.