Eta Carinae system

GPTKB entity

Statements (37)
Predicate Object
gptkbp:instanceOf stellar system
gptkbp:apparentMagnitude 4.55 (variable)
gptkbp:associatedNebula gptkb:Homunculus_Nebula
gptkb:Carina_Nebula
gptkbp:component gptkb:Eta_Carinae_A
gptkbp:contains gptkb:Homunculus_Nebula
gptkb:Eta_Carinae_A
gptkb:Eta_Carinae_B
gptkbp:declination −59° 41′ 4.26″
gptkbp:discoveredBy Edmond Halley (as a star, 1677)
gptkbp:distanceFromEarth ~7,500 light-years
gptkbp:epoch gptkb:J2000
gptkbp:hasCompanion gptkb:Eta_Carinae_B
https://www.w3.org/2000/01/rdf-schema#label Eta Carinae system
gptkbp:locatedIn gptkb:Carina_constellation
gptkbp:mass >100 solar masses (combined)
gptkbp:notableEvent gptkb:Great_Eruption_(1837–1858)
gptkbp:notableFor one of the most massive binary systems known
extreme stellar wind and mass loss
potential supernova progenitor
source of X-ray emission
subject of extensive astronomical study
one of the brightest stars in the sky during the 19th century
gptkbp:orbitType ~5.54 years
gptkbp:otherDesignation gptkb:HD_93308
gptkb:HIP_52067
gptkb:HR_4210
gptkb:SAO_238429
2MASS J10445192-5955119
CD−59° 4474
gptkbp:partOf gptkb:Milky_Way
gptkbp:rightAscension 10h 45m 3.591s
gptkbp:spectralType LBV + O or WR
gptkbp:variableStar yes
gptkbp:variableType S Doradus variable
gptkbp:bfsParent gptkb:Homunculus_Nebula
gptkbp:bfsLayer 7