|
gptkbp:instanceOf
|
stellar classification
|
|
gptkbp:canBe
|
Black hole
Neutron star
|
|
gptkbp:canBeBinary
|
Yes
|
|
gptkbp:canBeVariableStar
|
Yes
|
|
gptkbp:endsAs
|
supernova
|
|
gptkbp:enveloped
|
Extended outer envelope
|
|
gptkbp:example
|
gptkb:Antares
gptkb:Betelgeuse
gptkb:Rigel
gptkb:Deneb
gptkb:VY_Canis_Majoris
|
|
gptkbp:form
|
Massive molecular clouds
|
|
gptkbp:foundIn
|
gptkb:Galaxies
|
|
gptkbp:hasBroadAbsorptionLines
|
Yes
|
|
gptkbp:hasCoreFusion
|
gptkb:Helium
Heavier elements
|
|
gptkbp:hasHighLuminosity
|
Yes
|
|
gptkbp:hasHighMassLossRate
|
Yes
|
|
gptkbp:hasHighMetallicity
|
Varies
|
|
gptkbp:hasHighWind
|
Yes
|
|
gptkbp:hasLowDensity
|
Yes
|
|
gptkbp:hasLuminosityClass
|
I
|
|
gptkbp:hasRadius
|
30 to 1000 solar radii
|
|
gptkbp:hasShortLifespan
|
Yes
|
|
gptkbp:hasSurfaceTemperature
|
3,500 to 20,000 K
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Supergiant star
|
|
gptkbp:isA
|
gptkb:star
|
|
gptkbp:key
|
Chemical enrichment of galaxies
|
|
gptkbp:lifespan
|
Few million years
|
|
gptkbp:luminosity
|
10,000 to 1,000,000 times solar luminosity
|
|
gptkbp:mass
|
10 to 70 solar masses
|
|
gptkbp:observedBy
|
gptkb:Space_telescopes
Ground-based telescopes
|
|
gptkbp:rarity
|
Yes
|
|
gptkbp:spectralType
|
G
O
A
B
F
K
M
|
|
gptkbp:studiedIn
|
Astrophysics
|
|
gptkbp:subclassOf
|
gptkb:Blue_supergiant
gptkb:Red_supergiant
gptkb:Yellow_supergiant
White supergiant
|
|
gptkbp:visibleToNakedEye
|
Some are
|
|
gptkbp:bfsParent
|
gptkb:Dwarf_star
|
|
gptkbp:bfsLayer
|
7
|