ε Sagittarii

E460842

ε Sagittarii is a bright multiple star system in the constellation Sagittarius, visible to the naked eye and traditionally known by the name Kaus Australis.

Jump to: Surface forms Statements Referenced by

Observed surface forms (4)

Surface form Occurrences
Kaus Australis 0
Sagittarius 1
ε Sagittarii A 0

Statements (45)

Predicate Object
instanceOf companion star
giant star
multiple star system
star
stellar system
traditional star name
absoluteMagnitudeV −0.73
ageMillionYears about 220
apparentMagnitudeV 1.79
BayerDesignation Epsilon Sagittarii NERFINISHED
belongsToAsterism Teapot (Sagittarius asterism) NERFINISHED
catalogIdentifier HD 168454 NERFINISHED
HIP 90185 NERFINISHED
HR 6815 NERFINISHED
colorIndexB−V −0.02
colorIndexU−B −0.10
constellation Sagittarius NERFINISHED
declination −34° 23′
distanceFromEarthLightYears about 146
eclipticLatitude near ecliptic
effectiveTemperatureKelvin 9800
equatorialCoordinateSystem J2000
etymologyLanguage Arabic
galacticPopulation thin disk star
hasComponent ε Sagittarii A NERFINISHED
ε Sagittarii B NERFINISHED
hasIAUApprovedName Kaus Australis NERFINISHED
hemisphereVisibility southern sky
luminositySolar about 363
massSolar about 3.5
meaning southern bow
multiplicity multiple star system
notableFor brightest star in Sagittarius
parallaxMilliarcseconds 22.34
positionInTeapot southern bow of the Teapot
properMotionDECmasPerYear −185.95
properMotionRAmasPerYear −44.05
radialVelocityKmPerSec −13
radiusSolar about 6.2
refersTo ε Sagittarii NERFINISHED
rightAscension 18h 24m
rotationalVelocityKmPerSec 236
spectralType B9.5 III
traditionalName Kaus Australis NERFINISHED
visibility visible to the naked eye

Referenced by (4)

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

Epsilon Sagittarii bayerDesignation ε Sagittarii
Kaus Australis hasBayerDesignation ε Sagittarii
Kaus Australis isBrightestStarOf ε Sagittarii
this entity surface form: Sagittarius
Epsilon Sagittarii otherName ε Sagittarii