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gptkbp:instanceOf
|
stellar classification
|
|
gptkbp:absoluteMagnitudeRange
|
-2 to -6
|
|
gptkbp:cataloguedIn
|
gptkb:General_Catalogue_of_Variable_Stars
|
|
gptkbp:characteristic
|
Pulsating luminosity
Regular period
|
|
gptkbp:discoveredBy
|
gptkb:John_Goodricke
|
|
gptkbp:discoveredIn
|
1784
|
|
gptkbp:distance
|
gptkb:Standard_candle
|
|
gptkbp:firstObserved
|
gptkb:Delta_Cephei
|
|
gptkbp:foundIn
|
gptkb:Milky_Way
Other galaxies
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Cepheid
|
|
gptkbp:lightCurveShape
|
gptkb:Sawtooth
|
|
gptkbp:metallicity
|
Affects period-luminosity relation
|
|
gptkbp:namedAfter
|
gptkb:Delta_Cephei
|
|
gptkbp:periodLuminosityRelation
|
Yes
|
|
gptkbp:range
|
3 to 12 solar masses
30 to 100 solar radii
|
|
gptkbp:spectralType
|
F6-K2
|
|
gptkbp:subclassOf
|
variable star
|
|
gptkbp:temperature
|
5000 to 6000 K
|
|
gptkbp:type
|
gptkb:Classical_Cepheid
gptkb:Anomalous_Cepheid
gptkb:Type_II_Cepheid
|
|
gptkbp:usedBy
|
gptkb:Edwin_Hubble
|
|
gptkbp:usedFor
|
Measuring cosmic distances
Calibrating supernova distances
Determining Hubble constant
Extragalactic distance scale
|
|
gptkbp:variablePeriodRange
|
1 to 100 days
|
|
gptkbp:bfsParent
|
gptkb:Danaher_Corporation
|
|
gptkbp:bfsLayer
|
6
|