Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
variable star
|
| gptkbp:alsoKnownAs |
gptkb:W_Virginis_variables
|
| gptkbp:discoveredBy |
gptkb:Walter_Baade
|
| gptkbp:distinctiveFeature |
gptkb:Classical_Cepheids
|
| gptkbp:evolutionaryStage |
post-horizontal branch
|
| gptkbp:foundIn |
gptkb:galaxy
globular clusters old stellar populations |
| https://www.w3.org/2000/01/rdf-schema#label |
Type II Cepheids
|
| gptkbp:lightCurveShape |
asymmetric
|
| gptkbp:luminosity |
low-mass
|
| gptkbp:mass |
~0.5 solar masses
|
| gptkbp:metallicity |
low
|
| gptkbp:namedAfter |
gptkb:W_Virginis
|
| gptkbp:periodLuminosityRelation |
present
|
| gptkbp:periodRange |
1 to 50 days
|
| gptkbp:population |
gptkb:Population_II
|
| gptkbp:spectralType |
F to K
|
| gptkbp:subclassOf |
variable star
|
| gptkbp:subspecies |
gptkb:BL_Herculis
gptkb:RV_Tauri gptkb:W_Virginis |
| gptkbp:usedFor |
distance measurement
|
| gptkbp:variant |
pulsating
|
| gptkbp:bfsParent |
gptkb:Cepheid_variable_stars
gptkb:Population_II |
| gptkbp:bfsLayer |
6
|