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