Alpha Coronae Australis

E451672

Alpha Coronae Australis is the brightest star in the southern constellation Corona Australis, visible to the naked eye in the night sky.

All labels observed (3)

How this entity was disambiguated

Statements (39)

Predicate Object
instanceOf astronomical object ⓘ
star ⓘ
absoluteMagnitudeV +0.77 ⓘ
age about 300 million years ⓘ
apparentMagnitudeB 2.88 ⓘ
apparentMagnitudeV 2.82 ⓘ
bayerDesignation α Coronae Australis ⓘ
belongsTo Milky Way ⓘ
celestialHemisphere southern celestial hemisphere ⓘ
colorIndexBminusV +0.06 ⓘ
constellation Corona Australis ⓘ
declination −37° 03′ 43″ ⓘ
distanceFromEarth about 102 light-years ⓘ
about 31 parsecs ⓘ
effectiveTemperature about 9000 K ⓘ
equatorialCoordinateSystem ICRS ⓘ
flamsteedDesignation 9 Coronae Australis ⓘ
galacticLatitude −13.63° ⓘ
galacticLongitude 0.74° ⓘ
hasExoplanetsDetected false ⓘ
hasPhotometricBand V band ⓘ
hdDesignation HD 165135 ⓘ
hipparcosDesignation HIP 88635 ⓘ
hrDesignation HR 6953 ⓘ
isBrightestStarIn Corona Australis ⓘ
isSingleStar true ⓘ
luminosity about 25 times solar luminosity ⓘ
mass about 2.3 solar masses ⓘ
parallax 32.04 mas ⓘ
properMotionDec −192 mas/yr ⓘ
properMotionRA +88 mas/yr ⓘ
radialVelocity −10 km/s ⓘ
radius about 2.3 solar radii ⓘ
rightAscension 18h 43m 02s ⓘ
rotationalVelocity about 150 km/s ⓘ
simbadIdentifier alf CrA ⓘ
linked to: CrA
spectralClass A2V ⓘ
stellarClassification A-type main-sequence star ⓘ
visibility visible to the naked eye ⓘ

How these facts were elicited

Referenced by (6)

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

Corona Australis → contains → Alpha Coronae Australis ⓘ
Corona Australis → brightestStar → Alpha Coronae Australis ⓘ
Southern Crown → hasBrightestStar → Alpha Coronae Australis ⓘ
Corona Australis → brightestStar → Alpha Coronae Australis ⓘ
subject linked to: CrA
Alpha Coronae Australis → bayerDesignation → α Coronae Australis ⓘ
linked to: Alpha Coronae Australis
Alpha Coronae Australis → flamsteedDesignation → 9 Coronae Australis ⓘ
linked to: Alpha Coronae Australis