BD−34 12223

E459129

BD−34 12223 is a stellar catalog designation corresponding to Kaus Australis, the brightest star in the constellation Sagittarius.

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Statements (47)

Predicate Object
instanceOf astronomicalObject
star
alsoKnownAs Epsilon Sagittarii NERFINISHED
Kaus Australis NERFINISHED
apparentMagnitudeV 1.79
approvedByIAU true
BayerDesignation Epsilon Sagittarii NERFINISHED
belongsToConstellationFamily Zodiac NERFINISHED
catalogDesignation BD−34 12223 NERFINISHED
colorIndexB−V −0.02
component BD−34 12223 A
BD−34 12223 B NERFINISHED
constellation Sagittarius NERFINISHED
declination −34° 23′ 05″
distanceFromEarth about 146 light-years
about 45 parsecs
effectiveTemperature about 9600 K
equatorialCoordinateSystem ICRS NERFINISHED
FlamsteedDesignation 20 Sagittarii NERFINISHED
galacticLatitude −10.7 degrees
galacticLongitude 6.0 degrees
galacticPopulation thinDisk
hasCompanionType main-sequenceStar
hasTraditionalName Kaus Australis NERFINISHED
HenryDraperDesignation HD 181869 NERFINISHED
HipparcosDesignation HIP 95241 NERFINISHED
HRDesignation HR 7355 NERFINISHED
IAUApprovalYear 2016
IAUName Kaus Australis NERFINISHED
isBinarySystem true
isBrightestStarIn Sagittarius NERFINISHED
isPartOfAsterism Teapot (Sagittarius) NERFINISHED
locatedIn Milky Way
luminosity about 375 timesSolar
luminosityClass III
mass about 3.5 solarMasses
parallax 22.39 mas
properMotionDec −185 mas/yr
properMotionRA +44 mas/yr
radialVelocity −11 km/s
radius about 6 solarRadii
rightAscension 18h 24m 10.3s
rotationalVelocity 236 km/s
SAODesignation SAO 210452 NERFINISHED
spectralClass B-type
spectralType B9.5 III
traditionalNameOrigin Arabic

Referenced by (1)

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

Kaus Australis hasCatalogIdentifier BD−34 12223