|
gptkbp:instanceOf
|
gptkb:variable_star
|
|
gptkbp:discoveredBy
|
gptkb:Henrietta_Swan_Leavitt
|
|
gptkbp:discoveredIn
|
1908
|
|
gptkbp:distanceMeasurementAccuracy
|
within 10%
|
|
gptkbp:evolutionaryStage
|
post-main-sequence
|
|
gptkbp:exhibits
|
period-luminosity relation
|
|
gptkbp:firstObserved
|
gptkb:Small_Magellanic_Cloud
|
|
gptkbp:foundIn
|
gptkb:Milky_Way
other galaxies
|
|
gptkbp:importantFor
|
standard candle
|
|
gptkbp:luminosityVariation
|
up to 2 magnitudes
|
|
gptkbp:namedAfter
|
gptkb:Cepheus_constellation
|
|
gptkbp:periodLuminosityRelationDiscoveredBy
|
gptkb:Henrietta_Swan_Leavitt
|
|
gptkbp:pulsationPeriodRange
|
1 to 100 days
|
|
gptkbp:range
|
3 to 12 solar masses
|
|
gptkbp:spectralType
|
F6-K2
|
|
gptkbp:subclassOf
|
gptkb:pulsating_variable_star
|
|
gptkbp:subspecies
|
gptkb:Anomalous_Cepheids
gptkb:Classical_Cepheids
gptkb:Type_II_Cepheids
|
|
gptkbp:usedFor
|
measuring cosmic distances
|
|
gptkbp:variableMechanism
|
radial pulsation
|
|
gptkbp:bfsParent
|
gptkb:60-inch_Telescope
|
|
gptkbp:bfsLayer
|
5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Cepheid variable stars
|