HIP 89931

E459127

HIP 89931 is the Hipparcos catalog designation for Kaus Australis, the brightest star in the constellation Sagittarius.

All labels observed (1)

Label Occurrences
HIP 89931 canonical 2

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf Hipparcos catalog star ⓘ
astronomical object ⓘ
star ⓘ
absoluteMagnitudeV −1.4 ⓘ
alsoKnownAs Epsilon Sagittarii ⓘ
Kaus Australis ⓘ
angularSeparationFromCompanion about 2.4 arcseconds ⓘ
apparentMagnitudeV 1.79 ⓘ
bayerDesignation Epsilon Sagittarii ⓘ
belongsToConstellationAsterism Teapot of Sagittarius ⓘ
linked to: Teapot asterism
catalogDesignation HIP 89931 ⓘ
colorIndexBMinusV −0.02 ⓘ
companionApparentMagnitude about 7.4 ⓘ
constellation Sagittarius ⓘ
declination −34° 23′ 04″ ⓘ
distanceFromEarth about 145 light-years ⓘ
about 44.5 parsecs ⓘ
effectiveTemperature about 9600 K ⓘ
equatorialCoordinateEpoch J2000.0 ⓘ
evolutionaryStage giant star ⓘ
flamsteedDesignation 20 Sagittarii ⓘ
galacticLatitude −10.7° ⓘ
galacticLongitude 6.0° ⓘ
galacticPopulation thin disk ⓘ
hasCompanion Epsilon Sagittarii B ⓘ
linked to: Epsilon Sagittarii
HDDesignation HD 165135 ⓘ
hemisphereVisibility southern sky ⓘ
HRDesignation HR 6746 ⓘ
isBrightestStarIn Sagittarius ⓘ
listedInCatalog Henry Draper Catalogue ⓘ
Hipparcos ⓘ
linked to: Hipparcos satellite
luminosity about 350 times solar luminosity ⓘ
mass about 3.5 solar masses ⓘ
metallicityFeH approximately solar ⓘ
multiplicity binary star system ⓘ
nameEtymology from Arabic meaning "southern bow" ⓘ
parallax 22.4 mas ⓘ
properMotionDec −184 mas/yr ⓘ
properMotionRA +44 mas/yr ⓘ
radialVelocity −19 km/s ⓘ
radius about 6 solar radii ⓘ
rightAscension 18h 24m 10.3s ⓘ
rotationalVelocity 236 km/s ⓘ
SIMBADIdentifier HIP 89931 ⓘ
spectralType B9.5 III ⓘ
traditionalName Kaus Australis ⓘ
visibleToNakedEye true ⓘ

How these facts were elicited

Referenced by (2)

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