Alpha Virginis A

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf gptkb:star
gptkbp:age ~12.5 million years
gptkbp:apparentMagnitude 1.04
gptkbp:component Alpha Virginis binary system
gptkbp:constellation gptkb:Virgo
gptkbp:declination -11° 09′ 41″
gptkbp:diameter ~7.5 solar radii
gptkbp:discoveredBy John Flamsteed (catalogued)
gptkbp:distanceFromEarth ~250 light-years
https://www.w3.org/2000/01/rdf-schema#label Alpha Virginis A
gptkbp:luminosity ~12,100 times solar luminosity
gptkbp:mass ~10.5 solar masses
gptkbp:metallicity slightly sub-solar
gptkbp:orbitalPeriodWithCompanion ~4.0145 days
gptkbp:otherName Spica A
gptkbp:partOf gptkb:Alpha_Virginis
gptkbp:rightAscension 13h 25m 11.6s
gptkbp:rotationPeriod ~199 km/s
gptkbp:spectralType B1V
gptkbp:temperature ~25,300 K
gptkbp:variableType ellipsoidal variable
gptkbp:bfsParent gptkb:Alpha_Virginis
gptkbp:bfsLayer 7