SAO 209384

E459128

SAO 209384 is a catalog designation for Kaus Australis, the brightest star in the constellation Sagittarius and a prominent B-type giant in the Teapot asterism.

All labels observed (1)

Label Occurrences
SAO 209384 canonical 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf astronomicalObject
catalogStar
star
star
star
ageInMillionYears ~220
alsoKnownAs Epsilon Sagittarii
Kaus Australis
apparentMagnitudeV 1.79
bayerDesignation Epsilon Sagittarii
belongsToCatalog Henry Draper Catalogue
Hipparcos Catalogue
SAO catalogue
colorIndexBminusV −0.03
declination −34° 23′ 05″
distanceFromEarth_ly ~143
distanceFromEarth_pc ~44
effectiveTemperature_K ~9600
equatorialCoordinateSystem ICRS
flamsteedDesignation 20 Sagittarii
galacticLatitude_deg −11.39
galacticLongitude_deg 6.40
hasComponent SAO 209384 A
linked to: SAO 209384

SAO 209384 B
linked to: SAO 209384
hasConstellation Sagittarius
hasProperName Kaus Australis
hasVariableType noneKnown
HDDesignation HD 181869
HIPDesignation HIP 95241
isBrightestStarIn Sagittarius
isComponentOf binaryStarSystem
isLocatedIn Milky Way
isPartOfAsterism Teapot
isProminentIn southernSky
isReferenceStarFor Sagittarius constellation outlines
isUsedFor celestialNavigation
isVisibleToNakedEye true
luminosityClass giant
luminosityInSolarLuminosities ~375
massInSolarMasses ~3.5
nameEtymology Arabic for "bow of the south"
parallax_mas 22.4
radialVelocity_kmPerSec −20
radiusInSolarRadii ~6
rightAscension 18h 24m 10.3s
spectralClass B-type
spectralType B9.5III

How these facts were elicited

Referenced by (1)

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