star Sterope I

E145298

Star Sterope I is a relatively faint star in the Pleiades star cluster in the constellation Taurus, associated with the mythological figure Sterope.

All labels observed (3)

Label Occurrences
star Asterope I 1
star Sterope I canonical 1
star Sterope II 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf astronomical object
star
associatedWith Greek mythology
Sterope
belongsToOpenCluster Pleiades
hasAge about 100 million years
hasAlternativeName 21 Tauri
Asterope I
linked to: Asterope

BD+23 455
HD 23850
HIP 17954
HR 1178
hasApparentMagnitudeV about 5.76
hasCatalogDesignation Bright Star Catalogue HR 1178
Flamsteed designation 21 Tauri
Henry Draper Catalogue HD 23850
Hipparcos Catalogue HIP 17954
hasColorIndexBMinusV about −0.06
hasConstellationAbbreviation Tau
hasCulturalSignificanceIn Greek astronomy
hasDeclination +24° (approx)
hasDistanceFromEarth about 135 parsecs
about 440 light-years
hasEffectiveTemperature about 12000 K
hasEquinox J2000.0
hasGalacticPopulation thin disk
hasLuminosity about 100 times solar luminosity
hasMass about 3 solar masses
hasParallax about 7.4 mas
hasProperMotionInDec about −45 mas/yr
hasProperMotionInRA about +20 mas/yr
hasRadialVelocity about +6 km/s
hasRadius about 3 solar radii
hasRightAscension 03h 45m (approx)
hasSpectralType B8V
isBrighterThan Sterope II
linked to: Sterope
isComponentOf double star Sterope
isHotterThan Sun
isInNorthernCelestialHemisphere yes
isMoreLuminousThan Sun
isMoreMassiveThan Sun
isPartOfAsterism Pleiades
isRelativelyFaintMemberOf Pleiades
isVisibleToNakedEye yes
locatedInConstellation Taurus
memberOf Pleiades star cluster
linked to: Pleiades
orbitsInMilkyWay yes

How these facts were elicited

Referenced by (3)

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

Sterope celestialAssociation star Sterope I
Sterope celestialAssociation star Sterope II
linked to: star Sterope I
Asterope associatedWith star Asterope I
linked to: star Sterope I