Shaula

E472722

Shaula is a bright multiple-star system marking the stinger of the constellation Scorpius and is one of the most luminous stars visible to the naked eye.

All labels observed (4)

Label Occurrences
Shaula canonical 2
Shaula A 1
Shaula B 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf B-type main-sequence star
B-type subgiant star
astronomical object
multiple star system
pre-main-sequence star
star system visible to the naked eye
stellar system
catalogIdentifier HD 158926
HIP 86228
HR 6508
SAO 208955
hasAge_Myr about 10
hasAlternativeName Lambda Scorpii
hasApparentMagnitude about 1.6
hasBayerDesignation λ Scorpii
linked to: Lambda Scorpii
hasColorIndexBMinusV about −0.23
hasComponent Shaula A
linked to: Shaula

Shaula B
linked to: Shaula

Shaula C
linked to: Shaula
hasDeclination_J2000 −37° 06′ 13″ (approx)
hasDistanceFromEarth_ly about 570
hasDistanceFromEarth_pc about 174
hasEffectiveTemperature_K about 25,000
hasFlamsteedDesignation 12 Scorpii
hasGalacticLatitude_deg about +9
hasGalacticLongitude_deg about 351
hasLuminosity_solar about 36,000
hasMass_solar about 14
hasMultiplicity triple system
hasParallax_mas about 5.75
hasPeakVisibilitySeason northern summer
hasRadialVelocity_kmPerS about −3
hasRadius_solar about 8
hasRightAscension_J2000 17h 33m 36s (approx)
hasSpectralType B2 IV
B2 V
hasTraditionalNameOrigin Arabic
hasVariableType Beta Cephei-type candidate
isAmong most luminous stars visible to the naked eye
isBrightestRankInConstellation second-brightest star in Scorpius
isPartOfAsterism tail of the Scorpion
isVariableStar true
locatedInConstellation Scorpius
marksFeatureOfConstellation stinger of Scorpius
memberOf Scorpius–Centaurus association
Upper Scorpius subgroup
linked to: Upper Scorpius
nameMeaning "the raised (tail)" or "the stinger"
visibleFromHemisphere Southern Hemisphere
low southern sky of Northern Hemisphere

How these facts were elicited

Referenced by (5)

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

Scorpius containsStar Shaula
Shaula hasComponent Shaula A
linked to: Shaula
Shaula hasComponent Shaula B
linked to: Shaula
Shaula hasComponent Shaula C
linked to: Shaula