Vega (star)

E1030871
A-type main-sequence star Delta Scuti variable rapid rotator star

Vega is a bright, nearby A-type main-sequence star in the constellation Lyra and one of the most luminous and studied stars in the night sky.

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Observed surface forms (1)

Surface form Occurrences
Vega 1

Statements (56)

Predicate Object
instanceOf A-type main-sequence star ⓘ
Delta Scuti variable ⓘ
rapid rotator ⓘ
star ⓘ
absoluteMagnitudeV 0.58 ⓘ
age_billionYears 0.45 ⓘ
apparentMagnitudeV 0.03 ⓘ
belongsTo Milky Way NERFINISHED ⓘ
colorIndexB−V 0.00 ⓘ
constellation Lyra NERFINISHED ⓘ
debrisDiskDiscoveryInstrument IRAS NERFINISHED ⓘ
debrisDiskDiscoveryYear 1983 ⓘ
declination +38°47′01″ ⓘ
distanceFromEarth_ly 25 ⓘ
distanceFromEarth_pc 7.68 ⓘ
effectiveTemperature_K 9600 ⓘ
equatorialBulge significant ⓘ
futurePoleStarEpoch aroundAD14000 ⓘ
galacticPopulation thin disk ⓘ
hasBayerDesignation Alpha Lyrae NERFINISHED ⓘ
hasDebrisDisk true ⓘ
hasFlamsteedDesignation 3 Lyrae ⓘ
infraredExcess detected ⓘ
isNorthernHemisphereStar true ⓘ
isOneOfBrightestStars true ⓘ
isPartOf Summer Triangle NERFINISHED ⓘ
isStandardPhotometricStar true ⓘ
isVariableStar true ⓘ
luminosity_solar 40 ⓘ
mass_solar 2.1 ⓘ
metallicity_Fe_H −0.5 ⓘ
nameDerivedFrom al-nasr al-wāqiʿ (the falling eagle) NERFINISHED ⓘ
nameOriginLanguage Arabic ⓘ
oblateness high ⓘ
parallax_mas 130.23 ⓘ
parallaxError_mas 0.36 ⓘ
poleStarEpoch around12000BC ⓘ
poleTemperatureHigherThanEquator true ⓘ
projectedRotationalVelocity_km_s ~274 ⓘ
properMotionDec_mas_yr ~287 ⓘ
properMotionRA_mas_yr ~201 ⓘ
radialVelocity_km_s −13.9 ⓘ
radius_solar 2.3 ⓘ
rankByBrightnessNightSky 5 ⓘ
rightAscension 18h36m56.3s ⓘ
rotationPeriod_days ~0.7 ⓘ
spectralType A0V ⓘ
SummerTriangleOtherStars Altair NERFINISHED ⓘ
Deneb NERFINISHED ⓘ
traditionalName Vega NERFINISHED ⓘ
usedAsPhotometricZeroPoint historically ⓘ
variabilityType Delta Scuti NERFINISHED ⓘ
visibleFrom mostNorthernHemisphere ⓘ
partsOfSouthernHemisphere ⓘ
wasPoleStar true ⓘ
willBePoleStarAgain true ⓘ

Referenced by (2)

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

Qixi Festival → associatedWithConstellation → Vega (star) ⓘ
this entity surface form: Vega
SS Vega → namedAfter → Vega (star) ⓘ