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gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:carbonToOxygenRatio
|
~1
|
|
gptkbp:characteristic
|
enhanced s-process elements
strong zirconium oxide bands
|
|
gptkbp:color
|
reddish
|
|
gptkbp:contrastsWith
|
C-type star
M-type star
|
|
gptkbp:discoveredBy
|
gptkb:Paul_Merrill
|
|
gptkbp:evolutionaryStage
|
red supergiant
asymptotic giant branch
|
|
gptkbp:firstDescribed
|
1922
|
|
gptkbp:form
|
third dredge-up
|
|
gptkbp:frequency
|
ZrO bands
s-process element lines
weak TiO bands
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
S-type star
|
|
gptkbp:location
|
asymptotic giant branch
|
|
gptkbp:massLoss
|
stellar wind
|
|
gptkbp:notableActor
|
gptkb:Chi_Cygni
gptkb:R_Andromedae
gptkb:R_Cygni
gptkb:R_Geminorum
gptkb:S_Aquarii
gptkb:S_Cancri
gptkb:S_Cassiopeiae
gptkb:S_Cephei
gptkb:S_Coronae_Borealis
gptkb:S_Draconis
gptkb:S_Geminorum
gptkb:S_Herculis
gptkb:S_Hydrae
gptkb:S_Lacertae
gptkb:S_Leonis
gptkb:S_Lyrae
gptkb:S_Monocerotis
gptkb:S_Ophiuchi
gptkb:S_Orionis
gptkb:S_Pegasi
gptkb:S_Persei
gptkb:S_Piscium
gptkb:S_Puppis
gptkb:S_Sagittae
gptkb:S_Sagittarii
gptkb:S_Scuti
gptkb:S_Serpentis
gptkb:S_Tauri
gptkb:S_Trianguli
gptkb:S_Ursae_Majoris
gptkb:S_Virginis
gptkb:S_Vulpeculae
gptkb:T_Cephei
gptkb:W_Aquilae
|
|
gptkbp:notablePlace
|
gptkb:yttrium
zirconium
barium
cerium
europium
lanthanum
neodymium
samarium
technetium
|
|
gptkbp:population
|
rare compared to M-type and C-type stars
|
|
gptkbp:relatedTo
|
C-type star
M-type star
barium star
technetium star
|
|
gptkbp:spectralType
|
S
|
|
gptkbp:temperature
|
2000–4000 K
|
|
gptkbp:variant
|
many are Mira variables
many are semiregular variables
|
|
gptkbp:bfsParent
|
gptkb:Stars
|
|
gptkbp:bfsLayer
|
5
|