Cepheid variable period-luminosity relation
GPTKB entity
Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomical relation
|
| gptkbp:appliesTo |
gptkb:Cepheid_variable_stars
|
| gptkbp:basisFor |
gptkb:Hubble's_law
|
| gptkbp:category |
gptkb:cosmology
stellar astrophysics |
| gptkbp:describes |
relationship between pulsation period and luminosity of Cepheid variable stars
|
| gptkbp:discoveredBy |
gptkb:Henrietta_Swan_Leavitt
|
| gptkbp:discoveredIn |
1908
|
| gptkbp:enables |
determination of absolute magnitude from period
calibration of extragalactic distances |
| gptkbp:firstObserved |
gptkb:Small_Magellanic_Cloud
|
| gptkbp:form |
logarithmic relation between period and luminosity
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cepheid variable period-luminosity relation
|
| gptkbp:relatedTo |
gptkb:Leavitt_Law
|
| gptkbp:usedFor |
measuring cosmic distances
distance ladder in astronomy |
| gptkbp:bfsParent |
gptkb:Harvard_Computers
|
| gptkbp:bfsLayer |
6
|