Eta Carinae

GPTKB entity

Statements (50)
Predicate Object
gptkbp:instanceOf gptkb:star
gptkbp:apparentMagnitude 4.55
−12.5
gptkbp:associatedWith gptkb:NGC_3372
gptkb:Carina_Nebula
gptkbp:binarySystem yes
gptkbp:catalogue gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue
gptkb:Bright_Star_Catalogue
gptkbp:component gptkb:Eta_Carinae_A
gptkb:Eta_Carinae_B
gptkbp:declination −59° 41′ 4.26″
gptkbp:discoveredBy gptkb:Edmond_Halley
gptkbp:discoveredIn 1677
gptkbp:distanceFromEarth 7500 light years
gptkbp:eruptionYear 1837–1858
gptkbp:expectedToBecome supernova
gptkbp:hasCompanion massive O-type star
gptkbp:hostedBy variable star
https://www.w3.org/2000/01/rdf-schema#label Eta Carinae
gptkbp:infraredPort yes
gptkbp:locatedIn gptkb:Carina_constellation
gptkbp:luminosity over 5 million times Sun
gptkbp:mass over 100 solar masses (system)
gptkbp:metallicity solar or slightly above
gptkbp:notableEvent gptkb:Great_Eruption
gptkbp:notableFor Homunculus Nebula formation
extreme stellar wind
one of the most massive binary systems known
potential gamma-ray burst progenitor
unusual variability
gptkbp:orbitType 5.54 years
gptkbp:otherDesignation gptkb:HD_93308
gptkb:2MASS_J10450391-5941029
gptkb:CD−59°_3375
gptkb:HIP_52067
gptkb:HR_4210
gptkb:SAO_238429
gptkbp:parallax 0.0531 mas
0.4402 mas
gptkbp:radialVelocity −8 km/s
gptkbp:radioSource yes
gptkbp:rightAscension 10h 45m 3.591s
gptkbp:spectralType gptkb:LBV_(luminous_blue_variable)
gptkbp:surroundedBy gptkb:Homunculus_Nebula
gptkbp:temperature ~15,000–35,000 K (components)
gptkbp:variableStar yes
gptkbp:XRaySource yes
gptkbp:bfsParent gptkb:binary_stars
gptkbp:bfsLayer 5