Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
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 |
| https://www.w3.org/2000/01/rdf-schema#label |
Cepheid variable stars
|
| 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 |
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
|