Statements (23)
Predicate | Object |
---|---|
gptkbp:instanceOf |
variable star type
|
gptkbp:alsoKnownAs |
Gamma Cassiopeiae variables
|
gptkbp:brightnessVariation |
0.1 to 1.5 magnitudes
|
gptkbp:cataloguedIn |
gptkb:General_Catalogue_of_Variable_Stars
|
gptkbp:discoveredBy |
gptkb:Paul_Guthnick
|
gptkbp:emissionLines |
hydrogen
|
gptkbp:firstDescribed |
1930s
|
gptkbp:foundIn |
gptkb:Milky_Way
|
gptkbp:hostedBy |
Be star
|
https://www.w3.org/2000/01/rdf-schema#label |
GCAS variable stars
|
gptkbp:lightVariationCause |
circumstellar disk changes
mass loss from star |
gptkbp:namedAfter |
gptkb:Gamma_Cassiopeiae
|
gptkbp:notableExample |
BZ Crucis
Phi Persei |
gptkbp:observedBy |
amateur astronomers
professional astronomers |
gptkbp:prototype |
gptkb:Gamma_Cassiopeiae
|
gptkbp:recurrence |
irregular
|
gptkbp:spectralType |
B-type
|
gptkbp:variant |
irregular
|
gptkbp:bfsParent |
gptkb:Gamma_Cassiopeiae_variable_stars
|
gptkbp:bfsLayer |
8
|