Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
variable star
|
| gptkbp:alsoKnownAs |
gptkb:Beta_Cephei_stars
|
| gptkbp:brightnessVariation |
0.01 to 0.3 magnitudes
|
| gptkbp:discoveredBy |
gptkb:Edward_Charles_Pickering
early 20th century |
| gptkbp:example |
gptkb:BW_Vulpeculae
gptkb:Menkib gptkb:Beta_Cephei gptkb:Spica |
| https://www.w3.org/2000/01/rdf-schema#label |
Beta Cephei variable stars
|
| gptkbp:location |
gptkb:Milky_Way
|
| gptkbp:luminosity |
III to V
|
| gptkbp:mainSequence |
yes
|
| gptkbp:metallicity |
high
|
| gptkbp:namedAfter |
gptkb:Beta_Cephei
|
| gptkbp:observedBy |
optical wavelengths
|
| gptkbp:pulsationCause |
kappa mechanism
|
| gptkbp:pulsationMode |
radial
non-radial |
| gptkbp:range |
7 to 20 solar masses
|
| gptkbp:spectralType |
B-type
|
| gptkbp:stellarPopulation |
gptkb:Population_I
|
| gptkbp:temperature |
18,000 to 30,000 K
|
| gptkbp:variabilityPeriod |
0.1 to 0.6 days
|
| gptkbp:variant |
pulsating
|
| gptkbp:bfsParent |
gptkb:Beta_Cephei
|
| gptkbp:bfsLayer |
7
|