Regulus

E572586
main-sequence star multiple star system spectroscopic binary star system

Regulus is the brightest star in the constellation Leo, a hot blue-white multiple star system located relatively close to Earth.

Jump to: Surface forms Statements Referenced by

Observed surface forms (1)

Surface form Occurrences
Regulus A 0

Statements (45)

Predicate Object
instanceOf main-sequence star ⓘ
multiple star system ⓘ
spectroscopic binary ⓘ
star system ⓘ
canBeOccultedBy Moon NERFINISHED ⓘ
planets ⓘ
hasAge_Myr ~150 ⓘ
hasAlternativeName Alpha Leonis NERFINISHED ⓘ
hasApparentMagnitude +1.35 ⓘ
hasApparentMagnitudeV +1.35 ⓘ
hasBayerDesignation α Leonis NERFINISHED ⓘ
hasColor blue-white ⓘ
hasComponent Regulus A NERFINISHED ⓘ
Regulus B NERFINISHED ⓘ
Regulus C NERFINISHED ⓘ
Regulus D NERFINISHED ⓘ
hasConstellationAbbreviation Leo NERFINISHED ⓘ
hasCulturalSignificance one of the four Royal Stars of Persia ⓘ
hasDeclination +11° 58′ 02″ ⓘ
hasDistanceFromEarth_ly ~79 ⓘ
hasDistanceFromEarth_pc ~24.3 ⓘ
hasEffectiveTemperature_K ~12460 ⓘ
hasEquatorialRadiusToPolarRadiusRatio ~1.32 ⓘ
hasFlamsteedDesignation 32 Leonis ⓘ
hasGalacticLatitude_deg 48.9 ⓘ
hasGalacticLongitude_deg 226.4 ⓘ
hasLanguageOfName Latin ⓘ
hasLuminosity_solarLuminosity ~288 ⓘ
hasMass_solarMass ~3.8 ⓘ
hasMeaningOfName little king ⓘ
hasParallax_mas ~41.1 ⓘ
hasRadius_solarRadius ~3.1 ⓘ
hasRightAscension 10h 08m 22.3s ⓘ
hasRotationalVelocity_kmPerSec ~317 ⓘ
hasRotationPeriod_hours ~15.9 ⓘ
hasShape oblate spheroid ⓘ
hasSpectralType B7V ⓘ
hasTraditionalName Regulus NERFINISHED ⓘ
isBrightestStarIn constellation Leo NERFINISHED ⓘ
isNearEcliptic true ⓘ
isPartOf constellation Leo NERFINISHED ⓘ
isPrimaryOfSystem Regulus NERFINISHED ⓘ
isRapidRotator true ⓘ
isVisibleFrom Northern Hemisphere NERFINISHED ⓘ
Southern Hemisphere NERFINISHED ⓘ

Referenced by (1)

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

Leo → containsNotableStar → Regulus ⓘ