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
|